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        121 Permanent API jobs in Essex + 20 miles

        Python Developer

        Transforming Learning Group
        City of London, London
        £35000 - £42000 per annum
        Location -Remote (UK-based) Salary - £35,000 £42,000 - Transforming Learning Groupis a forward-thinking education technology group working with over 5,000 schools across the UK. Our mission is simple, to help schools harness technology and data to improve outcomes for every learner. Through our brands including turn IT on, School ICT Services, SalamanderSoft and more we deliver solutions that make schools more efficient, effective and innovative. Were looking for aPython Developerto join our growing engineering team. If youre passionate about creating intuitive, web-based applications and thrive in a collaborative environment, this could be the perfect role for you. What youll be doing * Designing, building and maintaining web applications using Python and Django. * Collaborating with developers, designers and product managers to deliver high-quality solutions.
        Location -Remote (UK-based) Salary - £35,000 £42,000 - Transforming Learning Groupis a forward-thinking education technology group working with over 5,000 schools across the UK. Our mission is simple, to help schools harness technology and data to improve outcomes for every learner. Through our brands including turn IT on, School ICT Services, SalamanderSoft and more we deliver solutions that make schools more efficient, effective and innovative. Were looking for aPython Developerto join our growing engineering team. If youre passionate about creating intuitive, web-based applications and thrive in a collaborative environment, this could be the perfect role for you. What youll be doing * Designing, building and maintaining web applications using Python and Django. * Collaborating with developers, designers and product managers to deliver high-quality solutions.
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        FEATURED
        Company Overview - At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform peoples lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients needs and have the highest probability of success. GSK has kicked off 2025 with impressive growth in sales, profits, and earnings. We anticipate five major new FDA product approvals and 15 phase III/pivotal study readouts over the next two years. So far, we have secured two FDA approvals, with three more expected later this year.
        Company Overview - At GSK, we have bold ambitions for patients, aiming to positively impact the health of 2.5 billion people by the end of the decade. Our R&D focuses on discovering and delivering vaccines and medicines, combining our understanding of the immune system with cutting-edge technology to transform peoples lives. GSK fosters a culture ambitious for patients, accountable for impact, and committed to doing the right thing, making sure that we focus our efforts on accelerating significant assets that meet patients needs and have the highest probability of success. GSK has kicked off 2025 with impressive growth in sales, profits, and earnings. We anticipate five major new FDA product approvals and 15 phase III/pivotal study readouts over the next two years. So far, we have secured two FDA approvals, with three more expected later this year.
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        Salesforce Developer

        Halian Technology Limited
        Central London (W1)
        From £50,000 to £60,000 per annum Plus bonus and benefits
        Job Specification: Mid-Level Salesforce Developer (FinTech) Location:Hybrid - Employment Type:Full-time - Level:Mid-Level - About the Role - We are seeking a skilledMid-Level Salesforce Developerto join my clients growing fintech engineering team. You will be responsible for developing, enhancing, and maintaining our Salesforce platform to support high-performance financial products, compliant workflows, and exceptional customer experiences. Youll work closely with product, operations, and engineering teams to translate business requirements into scalable Salesforce solutions. Key Responsibilities * Design, build, and deploy custom solutions usingLightning Web Components (LWC),Apex,SOQL/SOSL, andSalesforce APIs. * Configure Salesforce objects, flows, validation rules, process automation, and integrations. * Maintain and improve existing codebase, ensuring performance,
        Job Specification: Mid-Level Salesforce Developer (FinTech) Location:Hybrid - Employment Type:Full-time - Level:Mid-Level - About the Role - We are seeking a skilledMid-Level Salesforce Developerto join my clients growing fintech engineering team. You will be responsible for developing, enhancing, and maintaining our Salesforce platform to support high-performance financial products, compliant workflows, and exceptional customer experiences. Youll work closely with product, operations, and engineering teams to translate business requirements into scalable Salesforce solutions. Key Responsibilities * Design, build, and deploy custom solutions usingLightning Web Components (LWC),Apex,SOQL/SOSL, andSalesforce APIs. * Configure Salesforce objects, flows, validation rules, process automation, and integrations. * Maintain and improve existing codebase, ensuring performance,
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        CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the worlds real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. Weve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation.
        CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the worlds real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information and online marketplaces for over 35 years, giving us the perspective to create truly unique and valuable offerings to our customers. Weve continually refined, transformed and perfected our approach to our business, creating a language that has become standard in our industry, for our customers, and even our competitors. We continue that effort today and are always working to improve and drive innovation.
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        FEATURED

        Linux Administrator

        Randstad Digital
        City of London (EC1)
        £50000 - £55000 per annum
        Location: London (Hybrid - 2 days in office) Permanent - Availability: Immediate Joiner - About the Role - We're seeking a highly skilled Linux Administrator with strong Red Hat Enterprise Linux (RHEL) experience to join our infrastructure engineering team. The ideal candidate will bring hands-on expertise in system administration, automation, and virtualization, while maintaining a proactive engineering mindset focused on continuous improvement and efficiency. Key Responsibilities * Install, configure, and manage Red Hat Satellite servers. * Perform server implementation, upgrades, maintenance, and monitoring across environments. * Develop and maintain automation solutions using Ansible and Ansible Automation Platform (AAP). * Manage and upgrade VMware environments. * Troubleshoot and resolve system, platform, and network issues with minimal supervision.
        Location: London (Hybrid - 2 days in office) Permanent - Availability: Immediate Joiner - About the Role - We're seeking a highly skilled Linux Administrator with strong Red Hat Enterprise Linux (RHEL) experience to join our infrastructure engineering team. The ideal candidate will bring hands-on expertise in system administration, automation, and virtualization, while maintaining a proactive engineering mindset focused on continuous improvement and efficiency. Key Responsibilities * Install, configure, and manage Red Hat Satellite servers. * Perform server implementation, upgrades, maintenance, and monitoring across environments. * Develop and maintain automation solutions using Ansible and Ansible Automation Platform (AAP). * Manage and upgrade VMware environments. * Troubleshoot and resolve system, platform, and network issues with minimal supervision.
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        FEATURED

        Senior Backend Engineer

        Plexus Resource Solutions Ltd
        City of London (EC1)
        From £110,000 to £150,000 per annum
        Web3 / Social Product / Blockchain Infrastructure - Remote - 110k-150k - Plexus is partnering with a leading Web3 innovator building the next-generation social platform powered by blockchain. Theyre seeking a Senior Backend Engineer to architect scalable systems and help bring seamless, on-chain social experiences to life. The candidate will lead backend architecture and development for the companys social platform. Responsibilities - Design, develop, and maintain scalable backend systems and APIs. Collaborate with frontend engineers to deliver seamless user experiences. Integrate web3 technologies via third-party APIs or in-house solutions. Continuously improve infrastructure, monitoring, and engineering processes. Requirements - 4+ years of production software engineering experience, ideally at scale. Strong proficiency with TypeScript, Node.js, and AWS.
        Web3 / Social Product / Blockchain Infrastructure - Remote - 110k-150k - Plexus is partnering with a leading Web3 innovator building the next-generation social platform powered by blockchain. Theyre seeking a Senior Backend Engineer to architect scalable systems and help bring seamless, on-chain social experiences to life. The candidate will lead backend architecture and development for the companys social platform. Responsibilities - Design, develop, and maintain scalable backend systems and APIs. Collaborate with frontend engineers to deliver seamless user experiences. Integrate web3 technologies via third-party APIs or in-house solutions. Continuously improve infrastructure, monitoring, and engineering processes. Requirements - 4+ years of production software engineering experience, ideally at scale. Strong proficiency with TypeScript, Node.js, and AWS.
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        Senior Automation QA - Remote

        Exposed Solutions
        Central London (W1)
        From £40,000 to £45,000 per annum
        SeniorAutomationQAAIStartup(UK)|BuildQAfromScratch - OurclientisanambitiousAIstartupbuildingcutting-edgeproducts,andwerelookingforaSeniorAutomationQAwhocanowntestautomationfromdayone. IfyoulovegreenfieldchallengesandwanttoshapetheentireQAfunctioninafast-growingtechcompany,thisisforyou. Whatyoulldo * BuildourautomationframeworksandQAprocessesfromscratch * Leadteststrategyacrossbackend,frontend&APIs * CreateautomatedtestsuitesintegratedintoCI/CD * CollaboratewithEngineering&MLteamstoensurehigh-qualityreleases * Championqualityacrosstheorganisation - Whatwerelookingfor * 5+yearsQAexperiencewithastrongautomationfocus * Provenexperiencesettinguptestautomationinastartuporgreenfieldenvironment * StrongskillswithPython/JavaScripttestframeworks * ExperiencewithPlaywright,Cypressorsimilar * Cloud&CI/CDexposure(AWS/GCP/Azure,GitHubActions,GitLabCI) * Bonus:experiencetestingAI/ML
        SeniorAutomationQAAIStartup(UK)|BuildQAfromScratch - OurclientisanambitiousAIstartupbuildingcutting-edgeproducts,andwerelookingforaSeniorAutomationQAwhocanowntestautomationfromdayone. IfyoulovegreenfieldchallengesandwanttoshapetheentireQAfunctioninafast-growingtechcompany,thisisforyou. Whatyoulldo * BuildourautomationframeworksandQAprocessesfromscratch * Leadteststrategyacrossbackend,frontend&APIs * CreateautomatedtestsuitesintegratedintoCI/CD * CollaboratewithEngineering&MLteamstoensurehigh-qualityreleases * Championqualityacrosstheorganisation - Whatwerelookingfor * 5+yearsQAexperiencewithastrongautomationfocus * Provenexperiencesettinguptestautomationinastartuporgreenfieldenvironment * StrongskillswithPython/JavaScripttestframeworks * ExperiencewithPlaywright,Cypressorsimilar * Cloud&CI/CDexposure(AWS/GCP/Azure,GitHubActions,GitLabCI) * Bonus:experiencetestingAI/ML
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        Data Technical Lead

        Deerfoot Recruitment Solutions
        Moorgate, City of London (EC2), EC2Y
        Benefits Package
        Data Engineering Technical Lead - Global Investment Bank - London - Hybrid - Permanent - Excellent Package + Benefits - We are working with one of the world's leading banking groups, who we have partnered with for 15 years. We are seeking an experienced Data Architect / EDM Developer / Data Engineering Lead to join their International Technology team in London. You will be a key part of the Architecture, Middleware, Data & Enterprise Services (AMD) division, driving data engineering, integration and automation initiatives across our clients EMEA banking and securities entities. This is a hands-on leadership role, combining technical expertise with mentoring and team leadership. Key Responsibilities * Architect, design and deliver enterprise-wide EDM and data solutions. * Lead and mentor EDM developers, ensuring high-quality, cost-effective delivery.
        Data Engineering Technical Lead - Global Investment Bank - London - Hybrid - Permanent - Excellent Package + Benefits - We are working with one of the world's leading banking groups, who we have partnered with for 15 years. We are seeking an experienced Data Architect / EDM Developer / Data Engineering Lead to join their International Technology team in London. You will be a key part of the Architecture, Middleware, Data & Enterprise Services (AMD) division, driving data engineering, integration and automation initiatives across our clients EMEA banking and securities entities. This is a hands-on leadership role, combining technical expertise with mentoring and team leadership. Key Responsibilities * Architect, design and deliver enterprise-wide EDM and data solutions. * Lead and mentor EDM developers, ensuring high-quality, cost-effective delivery.
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        FEATURED

        Senior Full Stack PHP Developer (Remote)

        Digital Appointments
        Bloomsbury, Central London (WC1), WC1N 3AX
        From £50,000 to £60,000 per annum
        A fantastic, fully remote opportunity! Are you an experienced Full Stack PHP Developer with React? This well-established SaaS platform used by businesses across the UK prides itself on providing a stable, reliable, and feature-rich service to its large portfolio of clients. They foster a collaborative, supportive, and fully remote working environment where talented developers can really thrive. We are seeking a talented and experienced Full Stack PHP Developer to join their dedicated development team. You will play a crucial role in the ongoing development, maintenance, and enhancement of their core SaaS platform. Working across the full stack, you'll be involved in building new features, optimising existing code, and ensuring the scalability and reliability of their application. This is an excellent opportunity to contribute significantly to a great product within a
        A fantastic, fully remote opportunity! Are you an experienced Full Stack PHP Developer with React? This well-established SaaS platform used by businesses across the UK prides itself on providing a stable, reliable, and feature-rich service to its large portfolio of clients. They foster a collaborative, supportive, and fully remote working environment where talented developers can really thrive. We are seeking a talented and experienced Full Stack PHP Developer to join their dedicated development team. You will play a crucial role in the ongoing development, maintenance, and enhancement of their core SaaS platform. Working across the full stack, you'll be involved in building new features, optimising existing code, and ensuring the scalability and reliability of their application. This is an excellent opportunity to contribute significantly to a great product within a
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        Principal Software Engineer

        Fruition Group
        City of London (EC1), EC1
        £95000 - £120000 per annum
        Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software
        Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software
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        Senior Software Engineer

        Fruition Group
        City of London (EC1), EC1
        £75000 - £95000 per annum
        Location: London 1x a month - Salary: £75,000 - £95,000 - An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
        Location: London 1x a month - Salary: £75,000 - £95,000 - An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
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        Principal Software Engineer

        Fruition Group
        City of London (EC1), EC1
        £95000 - £120000 per annum
        Location: London - 1x a month - Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software built using Python, D
        Location: London - 1x a month - Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software built using Python, D
        more
        SQL Power BI - Python - A well established and growing business based in Central London (near Waterloo) are looking for a capable, confident Data Analyst with expertise in SQL and Power BI to join them on a 6 month FTC. As the organisations sole Data Analyst, you will play a pivotal role in delivering the operational elements of the Data Strategy. Working closely with the Director of Technology and Data, you will help drive the transformation of how they use data, enhancing insight, decision-making and impact across the organisation. The primary goal is to ensure that they have the technical capabilities and structures in place, to use data from across the business to maximise efficiency. You will lead the establishment and maturity of foundational components, including data governance, quality and process validation.
        SQL Power BI - Python - A well established and growing business based in Central London (near Waterloo) are looking for a capable, confident Data Analyst with expertise in SQL and Power BI to join them on a 6 month FTC. As the organisations sole Data Analyst, you will play a pivotal role in delivering the operational elements of the Data Strategy. Working closely with the Director of Technology and Data, you will help drive the transformation of how they use data, enhancing insight, decision-making and impact across the organisation. The primary goal is to ensure that they have the technical capabilities and structures in place, to use data from across the business to maximise efficiency. You will lead the establishment and maturity of foundational components, including data governance, quality and process validation.
        more
        FEATURED

        Data Analyst (Fabric)

        Oscar Associates (UK) Limited
        City of London (EC1)
        £60000 - £75000 per annum + benefits
        Job Title: BI Analyst (Fabric) Location: City of London (Hybrid 2 days a week) Salary: £60,000 - £70,000 DOE - Purpose - Reporting to the Head of Data Insight & Analytics, this role will support with the development and progression of business intelligence and insight capability. Sitting within the Data & Analytics team, this role will directly support the Private Wealth brands through building dashboards, insight tools and supporting key stakeholders, including the Private Wealth business heads, with data-driven decision making. The role would suit an experienced and driven individual who is looking for an opportunity to advance their understanding of data, working closely with business leaders to generate meaningful insight. Responsibilities * Act as the subject matter expert (SME) for data analytics and visualisation to their Private Wealth brands (Partners Wealth
        Job Title: BI Analyst (Fabric) Location: City of London (Hybrid 2 days a week) Salary: £60,000 - £70,000 DOE - Purpose - Reporting to the Head of Data Insight & Analytics, this role will support with the development and progression of business intelligence and insight capability. Sitting within the Data & Analytics team, this role will directly support the Private Wealth brands through building dashboards, insight tools and supporting key stakeholders, including the Private Wealth business heads, with data-driven decision making. The role would suit an experienced and driven individual who is looking for an opportunity to advance their understanding of data, working closely with business leaders to generate meaningful insight. Responsibilities * Act as the subject matter expert (SME) for data analytics and visualisation to their Private Wealth brands (Partners Wealth
        more
        SQL Power BI - Python - A well established and growing business based in Central London (near Waterloo) are looking for a capable, confident Data Analyst with expertise in SQL and Power BI to join them on a 6 month FTC. As the organisations sole Data Analyst, you will play a pivotal role in delivering the operational elements of the Data Strategy. Working closely with the Director of Technology and Data, you will help drive the transformation of how they use data, enhancing insight, decision-making and impact across the organisation. The primary goal is to ensure that they have the technical capabilities and structures in place, to use data from across the business to maximise efficiency. You will lead the establishment and maturity of foundational components, including data governance, quality and process validation.
        SQL Power BI - Python - A well established and growing business based in Central London (near Waterloo) are looking for a capable, confident Data Analyst with expertise in SQL and Power BI to join them on a 6 month FTC. As the organisations sole Data Analyst, you will play a pivotal role in delivering the operational elements of the Data Strategy. Working closely with the Director of Technology and Data, you will help drive the transformation of how they use data, enhancing insight, decision-making and impact across the organisation. The primary goal is to ensure that they have the technical capabilities and structures in place, to use data from across the business to maximise efficiency. You will lead the establishment and maturity of foundational components, including data governance, quality and process validation.
        more
        FEATURED

        WordPress Developer

        C&C Consulting Limited
        Colchester (CO2)
        From £35,000 to £50,000 per annum
        This leading creative marketing agency is looking for a WordPress Developer to work with cutting-edge WordPress technologies, in a fast-growing agency environment. You will be developing custom WordPress themes and plugins from scratch; Maintaining and enhancing existing WordPress websites; Implementing responsive designs that work across all devices and browsers Experience necessary - * 3+ years WordPress development experience * Experience of PHP 8.2+ and object-oriented programming and MySQL/MariaDB experience * GitHub/BitBucket * WordPress REST APIs, hooks and filters. * Experience with the Gutenberg Block Editor would be superb. * SASS/SCSS preprocessors * Build tools i.e. Webpack, Gulp, or similar * WordPress CLI (WP-CLI)
        This leading creative marketing agency is looking for a WordPress Developer to work with cutting-edge WordPress technologies, in a fast-growing agency environment. You will be developing custom WordPress themes and plugins from scratch; Maintaining and enhancing existing WordPress websites; Implementing responsive designs that work across all devices and browsers Experience necessary - * 3+ years WordPress development experience * Experience of PHP 8.2+ and object-oriented programming and MySQL/MariaDB experience * GitHub/BitBucket * WordPress REST APIs, hooks and filters. * Experience with the Gutenberg Block Editor would be superb. * SASS/SCSS preprocessors * Build tools i.e. Webpack, Gulp, or similar * WordPress CLI (WP-CLI)
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        Principal Software Engineer

        Fruition Group
        City of London (EC1), EC1
        £95000 - £120000 per annum
        Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software
        Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital solutions. This is an opportunity to shape greenfield projects from the ground up - architecting scalable, data-driven systems that empower venues to deliver seamless guest experiences and drive long-term innovation. What will I be doing? * Lead the technical vision and architectural direction across complex backend systems, ensuring scalability, reliability, and performance. * Partner closely with engineering leadership to define best practices, coding standards, and long-term technical strategy. * Design, develop, and oversee the delivery of robust, production-grade software
        more

        Senior Software Engineer - Backend

        Fruition Group
        City of London (EC1), EC1
        £75000 - £95000 per annum
        Location: Remote first (Occasional Travel to London) Salary: £75,000 - £95,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
        Location: Remote first (Occasional Travel to London) Salary: £75,000 - £95,000 + equity + benefits - An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work on greenfield projects - building new, scalable products that help venues create seamless, data-driven guest experiences from the ground up. What will I be doing? * Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. * Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. * Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer-focused solutions.
        more

        Graduate IT Project Manager

        Inspiring Search
        Wealdstone, Harrow (HA3), HA3 5EQ
        From £28,000 to £32,000 per annum
        We are one of the leading plumbing, heating and electrical companies nationally, serving residential and commercial clients throughout South East England with almost three decades in the industry, we have worked to build a large, fully equipped team of over 150 members of staff all focused on providing the best quality service to our customers. We work closely with various known housing associations, local councils as well as catering to the private sector such as schools, hotels, care homes and commercial building. Support the delivery and improvement of the business systems and information security. The Graduate IT Project Manager will coordinate with a third-party IT development partners, assist in implementing system enhancements, manage company IT assets, and help maintain access control and documentation processes across the business.
        We are one of the leading plumbing, heating and electrical companies nationally, serving residential and commercial clients throughout South East England with almost three decades in the industry, we have worked to build a large, fully equipped team of over 150 members of staff all focused on providing the best quality service to our customers. We work closely with various known housing associations, local councils as well as catering to the private sector such as schools, hotels, care homes and commercial building. Support the delivery and improvement of the business systems and information security. The Graduate IT Project Manager will coordinate with a third-party IT development partners, assist in implementing system enhancements, manage company IT assets, and help maintain access control and documentation processes across the business.
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        This is a newly created position for a Dynamics 365 Analyst with solid integration & configuration experience to join a global leading firm based in the East Grinstead area of West Sussex. This role is paying £45,000 and offers hybrid working (3 days in the office, 2 days from home). To be considered for this position you will have a good understanding and experience of Dynamics 365 & ERP platforms. This will include integration, configuring and upgrading D365 modules, APIs, and web services (REST & Soap). Based in the East Grinstead area of West Sussex, my client is offering a salary of £45,000 in a hybrid work environment (3 days in the office and 2 days from home), and the chance to work on the latest ERP technologies. If you have previous experience with Dynamics 365 and you are looking for a new position, please send me your CV immediately.
        This is a newly created position for a Dynamics 365 Analyst with solid integration & configuration experience to join a global leading firm based in the East Grinstead area of West Sussex. This role is paying £45,000 and offers hybrid working (3 days in the office, 2 days from home). To be considered for this position you will have a good understanding and experience of Dynamics 365 & ERP platforms. This will include integration, configuring and upgrading D365 modules, APIs, and web services (REST & Soap). Based in the East Grinstead area of West Sussex, my client is offering a salary of £45,000 in a hybrid work environment (3 days in the office and 2 days from home), and the chance to work on the latest ERP technologies. If you have previous experience with Dynamics 365 and you are looking for a new position, please send me your CV immediately.
        more
        FEATURED

        Senior Analytics Implementation Engineer

        Stepstone UK
        Southwark, South East London (SE1), SE1 0TA
        Competitive salary
        Company Description - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job-tech platform. Your benefits - Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt take over your life, it should enrich it. * 29 days holiday allowance + bank holidays * Private medical and dental healthcare * Pension contribution up to 10% * Training and development opportunities * Cycle to work scheme * In house Bari
        Company Description - At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased hiring. Join our team of 4,000+ employees and be part of reshaping the labour market and becoming the worlds leading job-tech platform. Your benefits - Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt take over your life, it should enrich it. * 29 days holiday allowance + bank holidays * Private medical and dental healthcare * Pension contribution up to 10% * Training and development opportunities * Cycle to work scheme * In house Bari
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        PREMIUM

        DevOps Lead

        83zero Limited
        City of London (EC1)
        £80000 - £100000 per annum + Plus benefits
        Dev/Ops Lead - PaaS Platform | Hybrid (Central London) 83zero is partnered with an exciting, fast-growing startup that's making serious moves in the B2B2C social media space. They're building a next-gen Platform-as-a-Service that's already gaining traction across global media ecosystems - and they're now looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On Offer * Competitive salary + performance bonus. * Meaningful equity - build it, own it, grow with it. * Hybrid/remote-first working culture. * A seat at the decision table in a fast-scaling SaaS business.
        Dev/Ops Lead - PaaS Platform | Hybrid (Central London) 83zero is partnered with an exciting, fast-growing startup that's making serious moves in the B2B2C social media space. They're building a next-gen Platform-as-a-Service that's already gaining traction across global media ecosystems - and they're now looking for a DevOps Lead to join their journey. This is a hands-on leadership role where you'll own the technical direction of a serverless, event-driven, globally distributed platform built on AWS. You'll lead a distributed engineering team, shape high-performance APIs, and build systems that scale hard and run clean. What's On Offer * Competitive salary + performance bonus. * Meaningful equity - build it, own it, grow with it. * Hybrid/remote-first working culture. * A seat at the decision table in a fast-scaling SaaS business.
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        Software Developer

        Oscar Associates (UK) Limited
        City of London (EC1)
        £30000 - £40000 per annum
        We are delighted to be partnering with a successful technology consultancy that is expanding its Software Development team. This is an excellent opportunity for a proactive and committed Software Developer with experience in C#, JavaScript, and SQL to contribute to impactful projects across a diverse client base. About the role - As a Software Developer, you will be working on the development, and maintenance of their internal software product, ensuring seamless integrations into their clients CRM systems. You'll also get involved with external projects, collaborating closely with clients to understand their needs, and design effective solutions. This role blends hands-on technical work with client interaction, giving you the chance to make a visible impact. Key Responsibilities * Design, develop, and maintain new features and applications using modern software develo
        We are delighted to be partnering with a successful technology consultancy that is expanding its Software Development team. This is an excellent opportunity for a proactive and committed Software Developer with experience in C#, JavaScript, and SQL to contribute to impactful projects across a diverse client base. About the role - As a Software Developer, you will be working on the development, and maintenance of their internal software product, ensuring seamless integrations into their clients CRM systems. You'll also get involved with external projects, collaborating closely with clients to understand their needs, and design effective solutions. This role blends hands-on technical work with client interaction, giving you the chance to make a visible impact. Key Responsibilities * Design, develop, and maintain new features and applications using modern software develo
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        Senior Software Engineer

        Anson Mccade
        South West London (SW1), SW1P 3LA
        80000-100000 Annual
        £80000-100000 GBP - Equity - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - London (4 days onsite) £80,000 to £100,000 base plus package - A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
        £80000-100000 GBP - Equity - Hybrid WORKING - Location: Central London, Greater London - United Kingdom Type: Permanent - London (4 days onsite) £80,000 to £100,000 base plus package - A high-growth B2B fintech scale-up transforming how complex industries handle payments and financial workflows are growing their engineering team! They're profitable, well-funded, and engineering-led, and as their newest Engineer you'll shape their core platform and take ownership of critical features. This is a hands-on senior role where you can influence the technical direction, own features and build software that has a real impact. * Build and scale end-to-end features across the full stack using .NET and React * Work with SQL and NoSQL databases to deliver robust, high-performance solutions * Design, maintain and optimise cloud-based services on AWS, GCP or Azure
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        PREMIUM
        Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just making up the numbers.
        Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just making up the numbers.
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        What is the average salary for API in Essex?

        Average salary per year
        £47,499

        The average salary for a API in Essex is £47,499. API in Essex salaries range from £37,499 to £47,499.

        Frequently Asked Questions

        How many permanent API jobs are there in Essex?
        There are 121 permanent API jobs within 20 miles of Essex available on CWJobs right now.

        Where in Essex are these permanent jobs?
        You can find permanent jobs in Loughton, Saffron Walden, Billericay.

        What other similar jobs are there to permanent API jobs in Essex?
        As well as permanent API jobs in Essex, you can find permanent Qa Automation, QA Analyst, Site Reliability Engineer, amongst many others.