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        13 Contract API jobs in Stewartby + 20 miles

        162 exact matches jobs are outside your preferred location

        Remote Head of AI Software Development - Python, Azure, AI Platform

        Recruitment Revolution
        City of London (EC1), EC2A 4NE
        Competitive Salary + 20% bonus + Equity
        • Shape the platform architecture, ensuring scalable, secure, cloud-native design across AI, data, and API layers.
        • Shape the platform architecture, ensuring scalable, secure, cloud-native design across AI, data, and API layers.
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        Imports Exports Real Time API/Web Services/XML
        Imports Exports Real Time API/Web Services/XML
        NEW
        Imports Exports Real Time API/Web Services/XML
        Imports Exports Real Time API/Web Services/XML
        NEWPREMIUM

        Software Engineering Lead Java AI - FinTech

        Client Server
        Shoreditch, East London (E1), EC2A
        £120000 - £140000 per annum + bonus + benefits
        Software Engineering Lead (Java AI) London / WFH to £140k - Are you a technical leader with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Engineering Manager role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Software Engineering Lead you'll head up a team of nine Software Engineers whilst remaining hands-on with coding. Your primary focus will be on using Claude code (and other AI tools and frameworks) throughout the development lifecycle from initial requirements shaping through to deployment to improve speed and efficiency of software development and release. This is an influential role where you and your team will work across product engineering teams to showcase processes and procedures with AI without cuttin
        Software Engineering Lead (Java AI) London / WFH to £140k - Are you a technical leader with a strong knowledge of AI and its practical uses within software engineering? You could be progressing your career in a senior, hands-on Engineering Manager role at a global FinTech / CFD trading company that has been consistently voted as one of the UKs top employers. As a Software Engineering Lead you'll head up a team of nine Software Engineers whilst remaining hands-on with coding. Your primary focus will be on using Claude code (and other AI tools and frameworks) throughout the development lifecycle from initial requirements shaping through to deployment to improve speed and efficiency of software development and release. This is an influential role where you and your team will work across product engineering teams to showcase processes and procedures with AI without cuttin
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        PREMIUM

        Principal Software Engineer - Unified Client Experience (UCX)

        Hargreaves Lansdown
        London
        £11500 - £90000 per annum + Generous bonus, pension, PMI & more
        Deep expertise in React or React Native, with hands-on experience in secure API integration, authentication flows, and frontend architecture.
        Deep expertise in React or React Native, with hands-on experience in secure API integration, authentication flows, and frontend architecture.
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        FEATURED
        Maintain a strong understanding of offensive and defensive practices, with particular focus on web, API, bot, DDoS, and AI-related threats * Strong grasp of common web, cloud, and API protocols and their associated attack surfaces (e.g., HTTP/S, REST, OAuth, DNS, TLS, etc.)
        Maintain a strong understanding of offensive and defensive practices, with particular focus on web, API, bot, DDoS, and AI-related threats * Strong grasp of common web, cloud, and API protocols and their associated attack surfaces (e.g., HTTP/S, REST, OAuth, DNS, TLS, etc.)
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        Senior JavaScript Developer Vue 3

        Client Server
        Arundel Heights, Billericay (CM12), CM12 0EQ
        £65000 - £75000 per annum
        Senior JavaScript Developer / front End Engineer (Vue 3) Billericay / WFH to £75k - Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce payments solutions provider that has experienced great success in the last year and is growing as a result. * Salary (to £75k) * Bonus * 25 days holiday * Pension * Life assurance * Private medical care * Pizza days and other social events * Hybrid working with flexible hours - As a Senior JavaScript Developer you will take ownership of projects within an Agile development environment, with a focus on Vue 3 front end development to help evolve and scale the existing platforms as well as working on new Greenfield projects; you'll be able to take project ownership and manage all aspects of the
        Senior JavaScript Developer / front End Engineer (Vue 3) Billericay / WFH to £75k - Are you a JavaScript web technologist seeking an opportunity to work with a modern tech stack on Greenfield projects? You could be progressing your career in a senior, hands-on role at an eCommerce payments solutions provider that has experienced great success in the last year and is growing as a result. * Salary (to £75k) * Bonus * 25 days holiday * Pension * Life assurance * Private medical care * Pizza days and other social events * Hybrid working with flexible hours - As a Senior JavaScript Developer you will take ownership of projects within an Agile development environment, with a focus on Vue 3 front end development to help evolve and scale the existing platforms as well as working on new Greenfield projects; you'll be able to take project ownership and manage all aspects of the
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        PREMIUM
        MS Power Platform Developer with AI Chatbot - Location: Esher (two days WFH) Salary: c.£50K - £60K - This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power
        MS Power Platform Developer with AI Chatbot - Location: Esher (two days WFH) Salary: c.£50K - £60K - This person will contribute directly to the organisations digital transformation roadmap by embedding automation and AI into our operations and business. This will involve building AI-powered conversational agents and automating business processes using Microsoft Power Platform tools like Power Apps, Power Automate, and Power Virtual Agents (part of Microsoft Copilot Studio). * Chatbot Development: Design, build, and implement AI chatbots using Power Virtual Agents/Copilot Studio to streamline interactions and automate tasks. * Process Automation: Create automated workflows and processes using Power Automate to improve efficiency and reduce manual tasks, often incorporating AI capabilities. * Application Development: Develop intelligent business applications with Power
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        In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
        In-depth understanding of data structures, system architecture, API development for microservices frameworks, distributed systems and other backend-related concepts and best practices
        more
        Were looking for an experienced SDET to join a high-performing engineering team working on a high traffic, large-scale e-commerce platform. Youll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, youll drive quality across web applications and APIs while tackling interesting technical challenges. * Designing and maintaining test automation frameworks (JavaScript/TypeScript) * Automated and manual testing of web applications and APIs * Test planning, estimation, execution and defect management * Integrating automated tests into CI/CD pipelines * Collaborating across teams to improve quality and close requirement gaps * Proven experience in SDET or test automation roles
        Were looking for an experienced SDET to join a high-performing engineering team working on a high traffic, large-scale e-commerce platform. Youll play a key role in building and evolving a scalable, fully automated testing framework, helping ensure fast, safe and high-quality software delivery. Working closely with engineers, product and stakeholders, youll drive quality across web applications and APIs while tackling interesting technical challenges. * Designing and maintaining test automation frameworks (JavaScript/TypeScript) * Automated and manual testing of web applications and APIs * Test planning, estimation, execution and defect management * Integrating automated tests into CI/CD pipelines * Collaborating across teams to improve quality and close requirement gaps * Proven experience in SDET or test automation roles
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        NEW
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Description - Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformatio
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Description - Job Title: Senior Software Developer - Location: Cambridge, United Kingdom Hybrid (3 days at the office) Employment Type: Full-time regular (flexible working options available) The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformatio
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        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
        AVEVA is creating software trusted by over 90% of leading industrial companies. Job Title: Senior Software Developer - Location: Cambridge, United Kingdom (Hybrid) Employment Type: Full-time - The job - As part of our Industrial Platform Group, you will join a talented team of software engineers dedicated to designing, developing, and evolving CONNECT - the core industrial intelligence platform at AVEVA. CONNECT powers a diverse range of digital solutions deployed across global industries by AVEVA and our partners. In this role, youll work closely with internal stakeholders and engineering teams to understand requirements, shape system architecture, and deliver scalable platform capabilities. Your contributions will directly impact how CONNECT supports our customers digital transformation journeys and ensures long-term value for partners and the wider AVEVA ecosystem.
        more

        Senior Python Developer

        Hireful
        Central London, London
        £55k - £62k base salary + great benefits
        Are you a Senior Python Developer looking to help shape the future of how schools use technology to empower learners across the UK? We are searching for a Senior Python Developer / Lead Python Developer who can guide a talented engineering team and push the boundaries of what cloud-native EdTech can be. Fancy taking ownership over building scalable Python applications, driving Agile delivery, and designing robust AWS-based systems using modern Infrastructure-as-Code approaches? Role: Senior Python Developer, Python Software Engineer, Python Developer, Lead Python Developer - Location: 100% work from home / Remote - Salary: £55k - £62k base plus great benefits - You will champion engineering excellence, define best practices, inspire and mentor developers, and keep innovation at the heart of everything you do – from microservices and RESTful APIs to CI/CD pipelines and
        Are you a Senior Python Developer looking to help shape the future of how schools use technology to empower learners across the UK? We are searching for a Senior Python Developer / Lead Python Developer who can guide a talented engineering team and push the boundaries of what cloud-native EdTech can be. Fancy taking ownership over building scalable Python applications, driving Agile delivery, and designing robust AWS-based systems using modern Infrastructure-as-Code approaches? Role: Senior Python Developer, Python Software Engineer, Python Developer, Lead Python Developer - Location: 100% work from home / Remote - Salary: £55k - £62k base plus great benefits - You will champion engineering excellence, define best practices, inspire and mentor developers, and keep innovation at the heart of everything you do – from microservices and RESTful APIs to CI/CD pipelines and
        more
        FEATURED

        Senior Python Developer - Team Leader

        Transforming Learning Group
        City of London, London
        £55000 - £62000 per annum
        Senior Python Developer Team Lead - Location-Remote (UK-based) Salary - £55,000 £62,000 - 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 aSenior Python Developer Team Leadto join our growing engineering team. This is a hands-on leadership role where youll set standards, mentor developers, and help shape the future of our cloud-native learning products. If youre passionate about building scalable solutions and leading technical teams, this could be the perfect opportunity. What youll be doing
        Senior Python Developer Team Lead - Location-Remote (UK-based) Salary - £55,000 £62,000 - 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 aSenior Python Developer Team Leadto join our growing engineering team. This is a hands-on leadership role where youll set standards, mentor developers, and help shape the future of our cloud-native learning products. If youre passionate about building scalable solutions and leading technical teams, this could be the perfect opportunity. What youll be doing
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        FEATURED
        Permanent - Location: London / Home (Hybrid) Salary: £70,000 - £90,000 (+ benefits) Skills: ETRM platform experience, (Openlink Endur, Findur etc.), Automation testing Python, Java etc. We are looking to recruit an Automation Tester, with trading platform experience, for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a hybrid role and you will be required to work on client site in London 2 / 3 days a week. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows * CI/CD pipelines and debugging
        Permanent - Location: London / Home (Hybrid) Salary: £70,000 - £90,000 (+ benefits) Skills: ETRM platform experience, (Openlink Endur, Findur etc.), Automation testing Python, Java etc. We are looking to recruit an Automation Tester, with trading platform experience, for a leading software company that delivers advanced solutions for trading and risk management across global financial and energy markets. This is a hybrid role and you will be required to work on client site in London 2 / 3 days a week. What you'll bring * Programming & Scripting: Python, Java, JavaScript, C++, Scriban * Web Technologies: RESTful APIs, HTTP, JSON, HTML, CSS, Node.js * Databases: SQL Server, MySQL, PostgreSQL, MongoDB * Tools & Frameworks: Git, Docker, Jenkins, Kubernetes, Agile (Scrum & Kanban), JIRA, Pytest, Powershell * Operating Systems: Linux, Windows * CI/CD pipelines and debugging
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        NEW

        Senior Java Software Engineer (Urgent)

        Morson Edge
        Tower Hill, City of London (EC3), E1W 1WY
        £500 - 600 per day
        We are seeking an experienced Senior Java Software Engineer to join the IT team at a leading bank, supporting the delivery, maintenance, and enhancement of core systems across various business areas, including operations, compliance, transactions, and client management. This is a 6-month contract role offering an excellent day rate, ideally suited to candidates with experience in regulated environments, financial services, or government/public sector organisations. In this role, you will be an integral part of the software development lifecycle, working closely with Senior Java Developers, UI/UX teams, and Agile Transformation to architect, build, and deliver greenfield, brownfield, and integration applications. You will be expected to employ best design and development practices, solve technical challenges, and contribute to high-quality system analysis and developme
        We are seeking an experienced Senior Java Software Engineer to join the IT team at a leading bank, supporting the delivery, maintenance, and enhancement of core systems across various business areas, including operations, compliance, transactions, and client management. This is a 6-month contract role offering an excellent day rate, ideally suited to candidates with experience in regulated environments, financial services, or government/public sector organisations. In this role, you will be an integral part of the software development lifecycle, working closely with Senior Java Developers, UI/UX teams, and Agile Transformation to architect, build, and deliver greenfield, brownfield, and integration applications. You will be expected to employ best design and development practices, solve technical challenges, and contribute to high-quality system analysis and developme
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        Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
        Position: Backend Engineer - Location: Remote (UK) Work Type: Contract - Join our team to build the backbone of a global music streaming platform! We're looking for a JAVA Backend Engineer who loves coding, solving problems, and delivering features that reach millions of users. * Build scalable Java & SpringBoot microservices. * Develop APIs and backend tools for engineers across the company. * Use TDD, CI/CD, Docker, Kubernetes, Jenkins, and GCP services. * Work with alternate languages like Python, Scala, Golang, or Node.js for backend tasks. * Collaborate in an Agile environment with cross-functional teams. * Strong backend development skills (Java and microservices). * Experience with microservices, TDD, CI/CD, Docker & Kubernetes, and cloud platforms (GCP preferred). * Familiarity with and one of Python, Golang, Scala or Node.js is a plus.
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        FEATURED
        About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 65+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution.
        About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 65+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution.
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        Software Engineer (Hardware Integration with .NET)

        IO Associates
        City of London (EC1)
        £600 - £800 per day + Outside IR35 and Hybrid
        Role: Staff Software Engineer - Sector: Life Sciences - Location: London - Days Onsite: 3 per week - Day Rate: £800 Outside IR35 - Duration: 4 Months then to extend or go Permanent - iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements * Strong .NET / C# background * Significant experience integrating and communicating with hardware devices * Ability to handle Windows devices, drivers, and communication layers * 8+ years of experience at a staff-level, capable of working autonomously * Not a web-focused developer; needs to be fully hardware-integration oriented - Beneficial Experience * gRPC, REST APIs, HTTP * Integrating devices in
        Role: Staff Software Engineer - Sector: Life Sciences - Location: London - Days Onsite: 3 per week - Day Rate: £800 Outside IR35 - Duration: 4 Months then to extend or go Permanent - iO Associates have partnered with Life Science Manufacturing company on their search for a Staff Software Engineer who has a strong background in integrating Medical Devices. This role will give you the opportunity to make a real impact in Healthcare and Life Sciences. Essential Requirements * Strong .NET / C# background * Significant experience integrating and communicating with hardware devices * Ability to handle Windows devices, drivers, and communication layers * 8+ years of experience at a staff-level, capable of working autonomously * Not a web-focused developer; needs to be fully hardware-integration oriented - Beneficial Experience * gRPC, REST APIs, HTTP * Integrating devices in
        more
        FEATURED
        About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 65+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution.
        About Revolut - People deserve more from their money. More visibility, more control, and more freedom. Since 2015, Revolut has been on a mission to deliver just that. Our powerhouse of products including spending, saving, investing, exchanging, travelling, and more help our 65+ million customers get more from their money every day. As we continue our lightning-fast growth,? 2 things are essential to our success: our people and our culture. In recognition of our outstanding employee experience, we've been certified as a Great Place to Work. So far, we have 10,000+ people working around the world, from our offices and remotely, to help us achieve our mission. And we're looking for more brilliant people. People who love building great products, redefining success, and turning the complexity of a chaotic world into the simplicity of a beautiful solution.
        more

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        Frequently Asked Questions

        How many contract API jobs are there in Stewartby?
        There are 13 contract API jobs within 20 miles of Stewartby available on CWJobs right now.

        Where in Stewartby are these contract jobs?
        You can find contract jobs in Southwark, Hinxton, Shoreditch.

        What other similar jobs are there to contract API jobs in Stewartby?
        As well as contract API jobs in Stewartby, you can find contract Test Automation, IT, Software Development, amongst many others.