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        75 Permanent API jobs in St. Albans + 20 miles

        Full Stack Engineer JavaScript Vue.js Python

        Client Server
        W6, West London
        £85000 - £100000 per annum
        Full Stack Engineer / Developer (JavaScript Vue.js Python) London to £100k - Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Full Stack Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front en
        Full Stack Engineer / Developer (JavaScript Vue.js Python) London to £100k - Do you enjoy working with a range of programming languages? You could be progressing your career in a senior, hands-on Full Stack Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Full Stack Engineer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front en
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        NEWPREMIUM

        Backend Engineer - London Onsite

        LJ Recruitment Limited
        EC1, City of London
        £60000 - £75000 per annum
        Backend Engineer - Scale Systems with Real Impact ?? Tired of tinkering at the edges? Want to actually shape the backbone of a platform that's transforming how the world's biggest enterprises run their tech? This is one of those rare roles where you get in early, build the foundations, and watch your work scale across global businesses. We're working with a high-growth London startup on a mission to reinvent enterprise software. Their AI-driven platform is already saving household-name customers millions in IT costs, shaving months off ERP project timelines, and making sense of the mess that legacy systems leave behind. SAP is just the beginning - they're building a whole new category of Enterprise System Intelligence. The Role * Build core systems capable of handling tens of millions of lines of code and large-scale LLM workloads.
        Backend Engineer - Scale Systems with Real Impact ?? Tired of tinkering at the edges? Want to actually shape the backbone of a platform that's transforming how the world's biggest enterprises run their tech? This is one of those rare roles where you get in early, build the foundations, and watch your work scale across global businesses. We're working with a high-growth London startup on a mission to reinvent enterprise software. Their AI-driven platform is already saving household-name customers millions in IT costs, shaving months off ERP project timelines, and making sense of the mess that legacy systems leave behind. SAP is just the beginning - they're building a whole new category of Enterprise System Intelligence. The Role * Build core systems capable of handling tens of millions of lines of code and large-scale LLM workloads.
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        NEWFEATURED
        Requirement SAP BTP CPI Architect * Experience 14+ years * Location West London ( 3 days WFO ) * Build integration solutions using SAP BTP Integration Suite toconnect different systems smoothly. * Use Advanced Event Mesh to design real-time event-drivenintegrations. * Work with SAP Datasphere to manage and integrate dataeffectively. * Review functional specs and proposed integration solutions tomake sure theyll work well across platforms. * Partner with business and IT teams to turn their needs intopractical integration designs. * Keep security and compliance top of mind when setting up integration flows. * Guide best practices for APIs and integration patterns acrossprojects. * CI/CD approaches to automate deployment and testing ofintegration components. * Help and support other team members, and document your workso its easy to follow.
        Requirement SAP BTP CPI Architect * Experience 14+ years * Location West London ( 3 days WFO ) * Build integration solutions using SAP BTP Integration Suite toconnect different systems smoothly. * Use Advanced Event Mesh to design real-time event-drivenintegrations. * Work with SAP Datasphere to manage and integrate dataeffectively. * Review functional specs and proposed integration solutions tomake sure theyll work well across platforms. * Partner with business and IT teams to turn their needs intopractical integration designs. * Keep security and compliance top of mind when setting up integration flows. * Guide best practices for APIs and integration patterns acrossprojects. * CI/CD approaches to automate deployment and testing ofintegration components. * Help and support other team members, and document your workso its easy to follow.
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        NEW
        About This Opportunity - We are supporting Welldone Consulting in their search for a founding Head of Delivery. This is a unique opportunity to establish, shape, and grow a business at the forefront of accessible mobile app consulting in the UK. About Welldone Consulting - Welldone Consulting focuses on building future-ready, inclusive, and commercially strategic mobile apps. Their mission is to help organisations not just comply with the European Accessibility Act but also to drive greater loyalty, adoption, and revenue by improving mobile user experiences for everyone. Role Purpose * Lead client engagements from initial contact to completion. * Develop frameworks for delivery and build an associate consultant model. * Serve as the public face and thought leader for the consultancy. Key Responsibilities - Client Engagement * Act as the main point of contact through p
        About This Opportunity - We are supporting Welldone Consulting in their search for a founding Head of Delivery. This is a unique opportunity to establish, shape, and grow a business at the forefront of accessible mobile app consulting in the UK. About Welldone Consulting - Welldone Consulting focuses on building future-ready, inclusive, and commercially strategic mobile apps. Their mission is to help organisations not just comply with the European Accessibility Act but also to drive greater loyalty, adoption, and revenue by improving mobile user experiences for everyone. Role Purpose * Lead client engagements from initial contact to completion. * Develop frameworks for delivery and build an associate consultant model. * Serve as the public face and thought leader for the consultancy. Key Responsibilities - Client Engagement * Act as the main point of contact through p
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        NEW

        AI Solutions Engineer

        McGregor Boyall Associates Limited
        Mayfair, W1H 6DU
        £50000 - £75000 per annum
        £50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
        £50,000 - £75,000 DOE | Full-time, on-site | Start: ASAP - Join a global logistics company that's embracing the power of AI to transform the way it operates. This is an opportunity to be part of a forward-thinking team that's leveraging the latest in Large Language Models (LLMs) and automation to drive real business value. As an AI Solutions Engineer, you'll design, build, and implement intelligent automation solutions using cutting-edge AI technologies. Working closely with business stakeholders, you'll identify opportunities for innovation, prototype new ideas, and deliver scalable AI-driven systems that make a measurable impact. * Collaborating with business teams to uncover and define AI/automation opportunities. * Engineering and optimising prompts to ensure consistent, high-quality LLM outputs.
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        NEW

        Senior Backend Engineer TypeScript Node.js

        Client Server
        EC2A, City of London
        £65000 - £80000 per annum + benefits
        Senior Backend Engineer / Developer (TypeScript Node.js) Remote UK to £80k - Are you a senior, hands-on Backend Engineer looking for an opportunity to take ownership and progress your career at a scaling tech company? You could be joining a growing games company that combines state of the art technology, gaming and luxury fashion. As a Senior Backend Engineer you'll join the team as they scale the product to support millions of users. You'll design and deliver high-quality, maintainable backend code and features using TypeScript and Node.js that is aligned with established codebase architectural standards and covered by tests as well as supporting backend system performance and reliability, helping to maintain 99% uptime SLA. You'll design, implement and extend robust APIs and microservices supporting gameplay, user management, platform and content management systems,
        Senior Backend Engineer / Developer (TypeScript Node.js) Remote UK to £80k - Are you a senior, hands-on Backend Engineer looking for an opportunity to take ownership and progress your career at a scaling tech company? You could be joining a growing games company that combines state of the art technology, gaming and luxury fashion. As a Senior Backend Engineer you'll join the team as they scale the product to support millions of users. You'll design and deliver high-quality, maintainable backend code and features using TypeScript and Node.js that is aligned with established codebase architectural standards and covered by tests as well as supporting backend system performance and reliability, helping to maintain 99% uptime SLA. You'll design, implement and extend robust APIs and microservices supporting gameplay, user management, platform and content management systems,
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        NEWPREMIUM
        Senior Data Engineer (SQL BigQuery GCP) London / WFH to £110,000 - Are you a data technologist with Media Streaming experience? You could be progressing your career in a senor, hands-on role at one of Europe's most successful streaming and social media platforms. As a Senior Data Engineer you'll design, build and maintain high-performance services for content modelling, serving and integration, develop data pipelines (both batch and streaming) using cloud native tools and collaborate on rearchitecting the content model to support rich metadata. You'll also build and implement APIs and data services to expose the data to other teams across the business and work with IaC (Terraform) and CI/CD pipelines for deployment and automation. You'll be able to work from home / remotely fulltime, with the caveat that'll join the team in London once a month, there's a lot of flexib
        Senior Data Engineer (SQL BigQuery GCP) London / WFH to £110,000 - Are you a data technologist with Media Streaming experience? You could be progressing your career in a senor, hands-on role at one of Europe's most successful streaming and social media platforms. As a Senior Data Engineer you'll design, build and maintain high-performance services for content modelling, serving and integration, develop data pipelines (both batch and streaming) using cloud native tools and collaborate on rearchitecting the content model to support rich metadata. You'll also build and implement APIs and data services to expose the data to other teams across the business and work with IaC (Terraform) and CI/CD pipelines for deployment and automation. You'll be able to work from home / remotely fulltime, with the caveat that'll join the team in London once a month, there's a lot of flexib
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        NEWPREMIUM

        Full Stack JavaScript Developer

        Client Server
        EC2A, City of London
        £65000 - £80000 per annum + bonus + benefits
        Are you a collaborative JavaScript technologist? You could be progressing your career as a Full Stack JavaScript Developer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. * Salary to £80k * 25 days holiday (increasing to 30), plus Christmas Eve * Vitality healthcare plus a host of wellbeing benefits * Pension * Family leave and enhanced maternity scheme * Continual career and self development opportunities * Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! As a Full Stack JavaScript Developer you'll collaborate as part of an Agile technology
        Are you a collaborative JavaScript technologist? You could be progressing your career as a Full Stack JavaScript Developer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £125 million. * Salary to £80k * 25 days holiday (increasing to 30), plus Christmas Eve * Vitality healthcare plus a host of wellbeing benefits * Pension * Family leave and enhanced maternity scheme * Continual career and self development opportunities * Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle! As a Full Stack JavaScript Developer you'll collaborate as part of an Agile technology
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        NEWPREMIUM

        AI Software Engineer

        JobHeron
        N1, North London
        Up to £70K (Pro Rata), Fully Remote, Benefits
        Are you passionate about using artificial intelligence to make a real-world impact? Our client is seeking an ambitious AI Software Engineer to help design and deliver innovative AI solutions for some of the worlds leading organisations. In this exciting role, youll play a key part in the technical delivery of AI applications for clients and help shape the future of their charity-focused product, Chat2Impact. Youll work closely with clients and their internal teams to bring ideas to life from concept through to deployment helping businesses and charities use AI for good. This is a 4 day a week role (Mon-Thurs), with a competitive salary up to £70k (Pro Rata). * Take ownership of the technical implementation of AI solutions across diverse client projects. * Collaborate with the Innovation Lead and clients to shape, design and explain potential solutions.
        Are you passionate about using artificial intelligence to make a real-world impact? Our client is seeking an ambitious AI Software Engineer to help design and deliver innovative AI solutions for some of the worlds leading organisations. In this exciting role, youll play a key part in the technical delivery of AI applications for clients and help shape the future of their charity-focused product, Chat2Impact. Youll work closely with clients and their internal teams to bring ideas to life from concept through to deployment helping businesses and charities use AI for good. This is a 4 day a week role (Mon-Thurs), with a competitive salary up to £70k (Pro Rata). * Take ownership of the technical implementation of AI solutions across diverse client projects. * Collaborate with the Innovation Lead and clients to shape, design and explain potential solutions.
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        NEW
        Company Description - Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realize their financial goals and help them save time and money. We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Internal Grade E - Job Description - Experian Marketing Services are looking for a new Software Engineer to work with our engineering and product team
        Company Description - Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realize their financial goals and help them save time and money. We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Internal Grade E - Job Description - Experian Marketing Services are looking for a new Software Engineer to work with our engineering and product team
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        NEWFEATURED

        Data Software Engineer

        Cobalt Recruitment.
        City of London, London
        £70000.00 - £90000.00 per annum
        About the Company - You'll be joining a global leader in real estate services and technology solutions. Known for combining deep market expertise with cutting-edge innovation, this business is committed to modernising how property and investment decisions are made. You'll be part of a collaborative, forward-thinking environment that values creativity, accountability, and growth-where your contributions will directly shape the future of real estate technology. Role Responsibilities * Architect, build, and optimise scalable ETL pipelines for diverse datasets. * Onboard, document, and curate external datasets for internal use. * Perform data validation, forensic analysis, and troubleshooting. * Deliver high-quality, maintainable Python code and participate in peer reviews. * Collaborate with stakeholders and researchers to support analytics and product development.
        About the Company - You'll be joining a global leader in real estate services and technology solutions. Known for combining deep market expertise with cutting-edge innovation, this business is committed to modernising how property and investment decisions are made. You'll be part of a collaborative, forward-thinking environment that values creativity, accountability, and growth-where your contributions will directly shape the future of real estate technology. Role Responsibilities * Architect, build, and optimise scalable ETL pipelines for diverse datasets. * Onboard, document, and curate external datasets for internal use. * Perform data validation, forensic analysis, and troubleshooting. * Deliver high-quality, maintainable Python code and participate in peer reviews. * Collaborate with stakeholders and researchers to support analytics and product development.
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        NEW
        Want to become a go-to CRM configuration specialist, while working remotely with equity upside? Great opportunity to join rapidly growing consultancy delivering to the Wealth Management / IFA space. A company that believes in developing its people and focuses on delivery rather than presenteeism. Role CRM Configuration Specialist aka CRM Consultant, CRM Analyst, Implementation Consultant - Location Remote UK, Flex Start / Finish times - Salary 50 - 60K, Bonus, Equity, 5% Pension, 25 Days, Health plan - We’re seeking a Configuration Specialist to configure and optimise platforms such as Curo Xplan, Intelligent Office or Plannr helping financial services firms streamline operations and deliver impact. * Hands-on experience configuring CRM systems - Ideally in Wealth Management * Strong analytical skills to translate business needs into solutions
        Want to become a go-to CRM configuration specialist, while working remotely with equity upside? Great opportunity to join rapidly growing consultancy delivering to the Wealth Management / IFA space. A company that believes in developing its people and focuses on delivery rather than presenteeism. Role CRM Configuration Specialist aka CRM Consultant, CRM Analyst, Implementation Consultant - Location Remote UK, Flex Start / Finish times - Salary 50 - 60K, Bonus, Equity, 5% Pension, 25 Days, Health plan - We’re seeking a Configuration Specialist to configure and optimise platforms such as Curo Xplan, Intelligent Office or Plannr helping financial services firms streamline operations and deliver impact. * Hands-on experience configuring CRM systems - Ideally in Wealth Management * Strong analytical skills to translate business needs into solutions
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        NEWFEATURED
        Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role :Front End Developer(React.js) Location: London, UK(3 Days/Week onsite) Desired Industry Experience:5+ years - Relevant Experience:React. Js, Typescript, Azure - Proven experience as a Front-End Developer with a focus on React.js, and Typescript. Familiarity with C# and .Net. Strong proficiency in JavaScript, ES6/ES7, and related front-end technologies. Familiarity with state management libraries such as Redux. Experience with version control systems, such as Git. Experience with the Web Content Accessibility Guidelines. Knowledge of responsive web design principles and CSS frameworks. Understanding of RESTful APIs and asynchronous data retrieval. Experience with unit testing. Strong problem-solving and debugging skills. Excellent teamwork and communication skills.
        Espire Infolabs is hiring for Front End Developer(React.js) for London, UK location. Role :Front End Developer(React.js) Location: London, UK(3 Days/Week onsite) Desired Industry Experience:5+ years - Relevant Experience:React. Js, Typescript, Azure - Proven experience as a Front-End Developer with a focus on React.js, and Typescript. Familiarity with C# and .Net. Strong proficiency in JavaScript, ES6/ES7, and related front-end technologies. Familiarity with state management libraries such as Redux. Experience with version control systems, such as Git. Experience with the Web Content Accessibility Guidelines. Knowledge of responsive web design principles and CSS frameworks. Understanding of RESTful APIs and asynchronous data retrieval. Experience with unit testing. Strong problem-solving and debugging skills. Excellent teamwork and communication skills.
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        NEWFEATURED

        Senior Backend Software Engineer (Python)

        Plexus Resource Solutions Ltd
        EC1A, City of London
        From £90,000 to £120,000 per annum
        Web3 - London, England £90-£120K - Plexus are working with a company that are building the future of gaming by introducing equitable ownership and compensation models powered by blockchain. Through our suite of Web3 games and DAO-driven products, we create opportunities for players worldwide to share in the value they help create. As a Senior Backend Engineer, youll play a key role in shaping the infrastructure behind Web3 products. From crafting Python-based APIs to building seamless blockchain integrations, youll help power a platform that brings decentralized ownership to the next generation of gaming - Responsibilities * Architect and develop backend systems to power Web3 applications * Build and deploy RESTful APIs using Python * Connect backend services with Web3 protocols, blockchains, DAOs, and smart contracts - What we're looking for
        Web3 - London, England £90-£120K - Plexus are working with a company that are building the future of gaming by introducing equitable ownership and compensation models powered by blockchain. Through our suite of Web3 games and DAO-driven products, we create opportunities for players worldwide to share in the value they help create. As a Senior Backend Engineer, youll play a key role in shaping the infrastructure behind Web3 products. From crafting Python-based APIs to building seamless blockchain integrations, youll help power a platform that brings decentralized ownership to the next generation of gaming - Responsibilities * Architect and develop backend systems to power Web3 applications * Build and deploy RESTful APIs using Python * Connect backend services with Web3 protocols, blockchains, DAOs, and smart contracts - What we're looking for
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        NEW
        ABAP Developer ? AI / Startup Role?? Most ABAP roles keep you maintaining the same old codebase. This one lets you take your SAP expertise and plug it straight into a modern AI platform that's transforming how global enterprises run their tech. This London startup is tackling a multi-billion-dollar problem: helping the world's biggest companies turn ERP chaos into clarity. Their AI engine saves millions in IT costs, accelerates project timelines by months, and modernises decades-old systems in ways that have never been done before. This is a role for those who live and breathe tech. Hours run 9am-7pm, and the expectation is clear: hard work and full commitment are what make the difference here. What you'll do * Write and optimise ABAP while shaping how AI agents interpret SAP. * Go beyond SAP, contribute to backend services, APIs, and infrastructure.
        ABAP Developer ? AI / Startup Role?? Most ABAP roles keep you maintaining the same old codebase. This one lets you take your SAP expertise and plug it straight into a modern AI platform that's transforming how global enterprises run their tech. This London startup is tackling a multi-billion-dollar problem: helping the world's biggest companies turn ERP chaos into clarity. Their AI engine saves millions in IT costs, accelerates project timelines by months, and modernises decades-old systems in ways that have never been done before. This is a role for those who live and breathe tech. Hours run 9am-7pm, and the expectation is clear: hard work and full commitment are what make the difference here. What you'll do * Write and optimise ABAP while shaping how AI agents interpret SAP. * Go beyond SAP, contribute to backend services, APIs, and infrastructure.
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        NEWFEATURED
        £80,000 - £85,000 - Well-established and highly profitable construction engineering business is seeking an experienced IT Applications Manager to join them on a permanent basis. This is a critical leadership role within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving demand for scalable, standardised and efficient business applications. Reporting into the Head of IT, you will lead the delivery, governance and optimisation of business applications across the enterprise. This role blends strategic oversight, hands-on expertise with modern low-code/no-code platforms and direct leadership of a multidisciplinary applications team. The IT Applications Manager will oversee a suite of core enterprise systems, including but not limited to: Workday, UKG (Kronos), COINS, SharePoint, Snowflake, Autodesk Constructi
        £80,000 - £85,000 - Well-established and highly profitable construction engineering business is seeking an experienced IT Applications Manager to join them on a permanent basis. This is a critical leadership role within an organisation undergoing significant digital transformation, with ambitious growth and acquisition plans driving demand for scalable, standardised and efficient business applications. Reporting into the Head of IT, you will lead the delivery, governance and optimisation of business applications across the enterprise. This role blends strategic oversight, hands-on expertise with modern low-code/no-code platforms and direct leadership of a multidisciplinary applications team. The IT Applications Manager will oversee a suite of core enterprise systems, including but not limited to: Workday, UKG (Kronos), COINS, SharePoint, Snowflake, Autodesk Constructi
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        NEW
        We're looking for an experienced Senior Application Support Engineer to join a growing IT team and play a key role in supporting critical business applications across a modern and complex technology stack. * Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis * Proactively maintaining and optimising applications, performing upgrades and configuration changes * Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users * Collaborating closely with engineering and business teams to drive operational excellence * Enhancing processes, documentation, and tooling to support continuous improvement * Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment
        We're looking for an experienced Senior Application Support Engineer to join a growing IT team and play a key role in supporting critical business applications across a modern and complex technology stack. * Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis * Proactively maintaining and optimising applications, performing upgrades and configuration changes * Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users * Collaborating closely with engineering and business teams to drive operational excellence * Enhancing processes, documentation, and tooling to support continuous improvement * Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment
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        Principal Software Engineer

        Fruition Group
        EC1, City of London
        £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
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        Senior Software Engineer

        Fruition Group
        EC1, City of London
        £75000 - £95000 per annum
        Location: London 1x a month - 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: London 1x a month - 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.
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        Salesforce Developer

        167 Solutions Ltd
        SW10, South West London
        From £75,000 to £85,000 per annum
        Salesforce Technical Lead London - Location: London (Hybrid) Salary: £85,000 per annum + benefits - Type: Permanent | Full-Time - Recruitment Partner: 167 Solutions Ltd - 167 Solutions Ltd is proud to be working in partnership with a forward-thinking organisation that is investing heavily in its digital transformation. We are seeking an experienced Salesforce Technical Lead to take ownership of the platforms technical direction and play a key role in delivering enterprise-grade Salesforce solutions. This is a hands-on leadership role ideal for someone who enjoys both solution architecture and technical delivery, and wants to shape a scalable Salesforce ecosystem within a growing organisation. Key Responsibilities * Lead the technical design, development and implementation of Salesforce solutions. * Translate business requirements into robust and scalable technical arc
        Salesforce Technical Lead London - Location: London (Hybrid) Salary: £85,000 per annum + benefits - Type: Permanent | Full-Time - Recruitment Partner: 167 Solutions Ltd - 167 Solutions Ltd is proud to be working in partnership with a forward-thinking organisation that is investing heavily in its digital transformation. We are seeking an experienced Salesforce Technical Lead to take ownership of the platforms technical direction and play a key role in delivering enterprise-grade Salesforce solutions. This is a hands-on leadership role ideal for someone who enjoys both solution architecture and technical delivery, and wants to shape a scalable Salesforce ecosystem within a growing organisation. Key Responsibilities * Lead the technical design, development and implementation of Salesforce solutions. * Translate business requirements into robust and scalable technical arc
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        Unit4 Lead Technical Consultant

        Data Careers
        Southwark, SE1
        £65000 - £80000 per annum + + bonus
        Permanent | Fully Remote (UK) £65,000 - £80,000 + bonus - Key Skills: SQL (T-SQL or PL/SQL) * Unit4 ERP Datasets / Data Dictionary * REST & SOAP Web Services * PowerShell * RERX / ARC / Xtra Reporting - About the Role - We're seeking a technically focused Unit4 Lead Consultant to take ownership of complex solution design, development, and delivery for a leading IT consultancy. This role is hands-on-ideal for someone who thrives on solving technical challenges, building integrations, and optimising data-driven solutions within Unit4 ERP. You'll play a key role in defining technical strategy, developing custom extensions, reports, and integrations, and ensuring solutions are robust, scalable, and high performing. You'll also provide technical direction and guidance to a small team, ensuring best practices and knowledge sharing across projects. What You'll Do
        Permanent | Fully Remote (UK) £65,000 - £80,000 + bonus - Key Skills: SQL (T-SQL or PL/SQL) * Unit4 ERP Datasets / Data Dictionary * REST & SOAP Web Services * PowerShell * RERX / ARC / Xtra Reporting - About the Role - We're seeking a technically focused Unit4 Lead Consultant to take ownership of complex solution design, development, and delivery for a leading IT consultancy. This role is hands-on-ideal for someone who thrives on solving technical challenges, building integrations, and optimising data-driven solutions within Unit4 ERP. You'll play a key role in defining technical strategy, developing custom extensions, reports, and integrations, and ensuring solutions are robust, scalable, and high performing. You'll also provide technical direction and guidance to a small team, ensuring best practices and knowledge sharing across projects. What You'll Do
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        AI Python Developer - Fully Remote

        VERTECH GROUP (UK) LTD
        N7, North London
        From £100,000 to £110,000 per annum + Benefits
        AI Python Developer - Location: Fully Remote - Salary: Circa 100K 110K + Benefits - AI Python Developer required by a fast-growing, revolutionary Tech Company! You'll play a key role in integrating AI functionality into production systems, working closely with other developers to deliver scalable, reliable, and well-structured solutions * At least 4 years backend development experience * Strong expertise inPython(FastAPI, Flask, or Django) * Good understanding of backend architecture, APIs, and cloud environments (AWS, Azure, or GCP) * Experience integratingAI or LLM APIsand open-source models into live products * Hands-on experience building or maintainingRetrieval-Augmented Generation (RAG)pipelines - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where you'll be able to bring ideas, stay up to date with
        AI Python Developer - Location: Fully Remote - Salary: Circa 100K 110K + Benefits - AI Python Developer required by a fast-growing, revolutionary Tech Company! You'll play a key role in integrating AI functionality into production systems, working closely with other developers to deliver scalable, reliable, and well-structured solutions * At least 4 years backend development experience * Strong expertise inPython(FastAPI, Flask, or Django) * Good understanding of backend architecture, APIs, and cloud environments (AWS, Azure, or GCP) * Experience integratingAI or LLM APIsand open-source models into live products * Hands-on experience building or maintainingRetrieval-Augmented Generation (RAG)pipelines - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where you'll be able to bring ideas, stay up to date with
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        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 jobseekers 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 platform. Job Description - Join our team and youll be responsible for providing technical leadership to all engineering and development areas across your domain, developing and executing an engineering strategy aligned to the portfolio and global tech strategies. Working in the Design and Platform Performance domain, you willlead the technology side of web and mobile analytics for a platform with ov
        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 jobseekers 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 platform. Job Description - Join our team and youll be responsible for providing technical leadership to all engineering and development areas across your domain, developing and executing an engineering strategy aligned to the portfolio and global tech strategies. Working in the Design and Platform Performance domain, you willlead the technology side of web and mobile analytics for a platform with ov
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        PREMIUM

        Senior Full Stack Engineer

        REVYBE IT RECRUITMENT LIMITED
        EC1, City of London
        From £100,000 to £120,000 per annum + Shares
        London AI Start-up - Up to £120,000 + Shares + Private Healthcare + Pension - Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role - This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
        London AI Start-up - Up to £120,000 + Shares + Private Healthcare + Pension - Were working with a well-funded AI start-up in London thats gearing up for huge growth. Theyre expecting to scale 10x over the next 18 months. Theyre now looking for a Senior Full-Stack Engineer to help design and build the next generation of their AI-driven platform. Reporting directly into the CTO and collaborating closely with product and research teams, this is a unique chance to take ownership across the stack and make a lasting impact in a company at the forefront of applied AI. The role - This isnt your standard engineering role youll be working end-to-end across frontend, backend, and cloud infrastructure. Youll build sleek, scalable applications with React and Next.js, design and maintain robust APIs with Node.js and Python, and architect solutions deployed on AWS or GCP.
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        Frequently Asked Questions

        How many permanent API jobs are there in St. Albans?
        There are 75 permanent API jobs within 20 miles of St. Albans available on CWJobs right now.

        What other similar jobs are there to permanent API jobs in St. Albans?
        As well as permanent API jobs in St. Albans, you can find permanent IT, Software Development, Testing, amongst many others.