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        9 Contract API jobs in Saffron Walden + 20 miles

        Backend Integration Developer

        Xist4 IT
        Duxford, CB22
        £50k - 60k per year
        Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
        Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
        more
        PREMIUM
        Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
        Hybrid: Two days in our client's Duxford office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
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        NEWFEATURED

        Front End Web Developer

        EMBL-EBI
        Hinxton, CB10 1SD
        From £40,032 to £73,380 per annum based on experience and family
        We are looking for an exceptional Web Developer to join Open Targets at EMBL-EBI. Join Open Targets at EMBL-EBI as a Web Developer and help transform vast biomedical data into insights that drive safer, more effective medicines. Youll design and build cloud-first, open-source applications - including our flagship Open Targets Platform, used by scientists worldwide to explore and prioritise potential drug targets. Working with leading partners like MSD, Genentech, GSK, Pfizer, Sanofi, and the Wellcome Sanger Institute, youll develop intuitive front-end experiences that turn complex data into powerful discovery tools. Be part of a vibrant, diverse team where collaboration thrives - working alongside talented professionals from around the globe, each bringing unique skills and perspectives. What we do
        We are looking for an exceptional Web Developer to join Open Targets at EMBL-EBI. Join Open Targets at EMBL-EBI as a Web Developer and help transform vast biomedical data into insights that drive safer, more effective medicines. Youll design and build cloud-first, open-source applications - including our flagship Open Targets Platform, used by scientists worldwide to explore and prioritise potential drug targets. Working with leading partners like MSD, Genentech, GSK, Pfizer, Sanofi, and the Wellcome Sanger Institute, youll develop intuitive front-end experiences that turn complex data into powerful discovery tools. Be part of a vibrant, diverse team where collaboration thrives - working alongside talented professionals from around the globe, each bringing unique skills and perspectives. What we do
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        NEWPREMIUM

        QA Test Automation Engineer Python

        Client Server
        Milton, CB24
        £50000 - £65000 per annum + bonus + benefits
        Do you have Python coding skills combined with Test Automation experience? You could be joining a market leading tech company that's remote access product is used by hundreds of millions of users worldwide, working on a modern tech stack, continually learning and progressing your career in a supportive team environment. As a QA Test Automation Engineer you will help to ensure the quality of the core technology platform; you'll identify and prepare test cases, develop these scenarios with Python automated tests and expand the automated test framework with additional features to drive them. You will also investigate test failures, analyse and verify bug fixes and review code developed by other Test Engineers.
        Do you have Python coding skills combined with Test Automation experience? You could be joining a market leading tech company that's remote access product is used by hundreds of millions of users worldwide, working on a modern tech stack, continually learning and progressing your career in a supportive team environment. As a QA Test Automation Engineer you will help to ensure the quality of the core technology platform; you'll identify and prepare test cases, develop these scenarios with Python automated tests and expand the automated test framework with additional features to drive them. You will also investigate test failures, analyse and verify bug fixes and review code developed by other Test Engineers.
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        NEWPREMIUM

        Enterprise Architect

        Cambridge University Press & Assessment
        Cambridge, Cambridgeshire
        From £70,400 to £94,100 per annum
        This is an exciting opportunity to join us as an Enterprise Architect. This position is pivotal in transforming our internal shared systems landscape and driving innovation. We areCambridge University Press & Assessment, a world-leading academic publisher and assessment organisation and a proud part of the University of Cambridge. About the role TheEnterprise Architect will provide architectural design leadership and lead implementation strategies for internal shared systems and capabilities such as Finance and ERP, People, Publishing, Supply Chain, and Warehouse Management. The role involves bridging the gap between business needs and technology solutions, designing robust, scalable architectures that align with the organisation's strategic goals, and integrating across various technology platforms.
        This is an exciting opportunity to join us as an Enterprise Architect. This position is pivotal in transforming our internal shared systems landscape and driving innovation. We areCambridge University Press & Assessment, a world-leading academic publisher and assessment organisation and a proud part of the University of Cambridge. About the role TheEnterprise Architect will provide architectural design leadership and lead implementation strategies for internal shared systems and capabilities such as Finance and ERP, People, Publishing, Supply Chain, and Warehouse Management. The role involves bridging the gap between business needs and technology solutions, designing robust, scalable architectures that align with the organisation's strategic goals, and integrating across various technology platforms.
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        NEWFEATURED
        Drive global film delivery. Elevate the cinema experience. Join MPS as a Salesforce Developer and make an impact by building innovative new features, maintaining and optimising our existing platform, and providing vital support to our Portal and Prod Tools development team. Improving user satisfaction and the reliability of our software is essential to achieving our business goals. As a Salesforce Developer , youll play a central role in delivering high-quality solutions on time, ensuring our platform continues to meet the needs of our users. Your primary focus will be on developing and enhancing our Salesforce platform, while mentoring team members to strengthen their Salesforce expertise.
        Drive global film delivery. Elevate the cinema experience. Join MPS as a Salesforce Developer and make an impact by building innovative new features, maintaining and optimising our existing platform, and providing vital support to our Portal and Prod Tools development team. Improving user satisfaction and the reliability of our software is essential to achieving our business goals. As a Salesforce Developer , youll play a central role in delivering high-quality solutions on time, ensuring our platform continues to meet the needs of our users. Your primary focus will be on developing and enhancing our Salesforce platform, while mentoring team members to strengthen their Salesforce expertise.
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        Integration Analyst

        The Princess Alexandra Hospital NHS Trust
        Harlow, London
        £47,810 - £54,710 a year
        As an HL7 Integration Analyst, you will be responsible for the development, deployment, analysis, and maintenance of healthcare integration solutions. You will focus on delivering robust interoperability across systems by leveraging standards such as HL7 (v2 and FHIR), Rhapsody Integration Engine, APIs, and custom code solutions. In addition to developing and supporting integration points, you will play a critical role in conducting integration analysis to ensure clinical and operational requirements are accurately interpreted and met through technical delivery. This role requires an exceptionally high level of technical expertise.
        As an HL7 Integration Analyst, you will be responsible for the development, deployment, analysis, and maintenance of healthcare integration solutions. You will focus on delivering robust interoperability across systems by leveraging standards such as HL7 (v2 and FHIR), Rhapsody Integration Engine, APIs, and custom code solutions. In addition to developing and supporting integration points, you will play a critical role in conducting integration analysis to ensure clinical and operational requirements are accurately interpreted and met through technical delivery. This role requires an exceptionally high level of technical expertise.
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        Vacancy #: 7365 Unit: Biodiversity Assessment and Knowledge Organisation: International Union for Conservation of Nature (IUCN) Location: Cambridge Office, Cambridge, United Kingdom of Great Britain and Northern Ireland Reporting to: Head, Red List Unit Work percentage: 100% Grade: P1 Expected start date: 01 September 2025 Type of contract: Fixed-term (24 months with possibility of renewal) Closing date: 21 August 2025 IUCN, the International Union for Conservation of Nature, was founded in 1948 and brings together over 1,100 members (States, government agencies, NGOs and affiliates) and some 11,000 scientists and experts from 181 countries in a unique worldwide partnership.
        Vacancy #: 7365 Unit: Biodiversity Assessment and Knowledge Organisation: International Union for Conservation of Nature (IUCN) Location: Cambridge Office, Cambridge, United Kingdom of Great Britain and Northern Ireland Reporting to: Head, Red List Unit Work percentage: 100% Grade: P1 Expected start date: 01 September 2025 Type of contract: Fixed-term (24 months with possibility of renewal) Closing date: 21 August 2025 IUCN, the International Union for Conservation of Nature, was founded in 1948 and brings together over 1,100 members (States, government agencies, NGOs and affiliates) and some 11,000 scientists and experts from 181 countries in a unique worldwide partnership.
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        Techspert is a fast-growing technology scale-up based with offices across the UK, US, and Chile. Weve developed AI-driven technology to revolutionize how knowledge is indexed, identified, and sourced within the healthcare and life sciences sectors and beyond. Our mission is to disrupt the expert network industry using cutting-edge machine learning technology. Were growing rapidly. The environment here is lean and agile; we prioritize fast growth with an exciting environment to match. Successful applicants will join as early employees, with significant opportunities to impact our primary business activities. As a Senior full-stack Engineer, you will be working with full front & backend exposure to a suite of applications. * Developing new features, backend-to-frontend, that will improve our users' workflow
        Techspert is a fast-growing technology scale-up based with offices across the UK, US, and Chile. Weve developed AI-driven technology to revolutionize how knowledge is indexed, identified, and sourced within the healthcare and life sciences sectors and beyond. Our mission is to disrupt the expert network industry using cutting-edge machine learning technology. Were growing rapidly. The environment here is lean and agile; we prioritize fast growth with an exciting environment to match. Successful applicants will join as early employees, with significant opportunities to impact our primary business activities. As a Senior full-stack Engineer, you will be working with full front & backend exposure to a suite of applications. * Developing new features, backend-to-frontend, that will improve our users' workflow
        more

        368 exact matches jobs are outside your preferred location

        Axway API Developer

        Randstad Digital
        EC1, City of London
        £500 - £650 per day
        6 months contract Inside IR35?? £500 to £650 a day?? Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. The main focus of this role is to design and develop Axway policies while maintaining automated testing and code deployment. You will also be responsible for liaising with stakeholders to define requirements and design comprehensive solutions. * Axway's core products: Policy Studio, API Gateway, and API Manager. * Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. * Data and messaging formats: JSON, XML, SOAP, and REST. * Linux scripting and environments. * Using DevOps toolsets to automate testing and deployments.
        6 months contract Inside IR35?? £500 to £650 a day?? Remote Working (UK based) *Active SC Clearance is needed* A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. You will contribute to a large government gateway project, and active SC clearance is required. The main focus of this role is to design and develop Axway policies while maintaining automated testing and code deployment. You will also be responsible for liaising with stakeholders to define requirements and design comprehensive solutions. * Axway's core products: Policy Studio, API Gateway, and API Manager. * Key communication protocols: SFTP, HTTPS, SSL/TLS, and oAuth. * Data and messaging formats: JSON, XML, SOAP, and REST. * Linux scripting and environments. * Using DevOps toolsets to automate testing and deployments.
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        NEWFEATURED
        Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer 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 Senior Full Stack Developer 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.
        Senior Full Stack Developer / Engineer (JavaScript Python API) London to £100k Opportunity to progress your career in a senior, hands-on Senior Full Stack Developer 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 Senior Full Stack Developer 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.
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        NEWPREMIUM

        Backend Software Engineer Golang Kafka - Start-up

        Client Server
        EC2A, City of London, EC2A 4EB
        £90000 - £110000 per annum + benefits
        Backend Software Engineer / Developer (Golang Kafka API) London / WFH to £110k Do you have a deep knowledge of Go / Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost and reliability. As a Backend Software Engineer you'll focus on backend system design, event driven architecture and APIs with a focus on scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. You'll join colleagues in the London, Canary Wharf offices three days a week (also the possibility to be remote in the UK).
        Backend Software Engineer / Developer (Golang Kafka API) London / WFH to £110k Do you have a deep knowledge of Go / Golang combined with software architecture and design skills? You could be progressing your career as a Backend Software Engineer at a start-up payments technology company that is revolutionising the payments industry to Africa, improving speed, cost and reliability. As a Backend Software Engineer you'll focus on backend system design, event driven architecture and APIs with a focus on scalability and reliability. You'll join a small, collaborative, Agile team working on 2 week sprints, you'll be a key part of tech discussions and decision making. You'll join colleagues in the London, Canary Wharf offices three days a week (also the possibility to be remote in the UK).
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        NEWPREMIUM
        Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.
        Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k Would you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good? You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated management consultants, that is aiming to improve patient and social care for all by using complex technology to improve access to patient records, enabling collaboration between healthcare providers and improving nursing and medical care. As a Backend Software Engineer you will collaborate with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.
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        NEWPREMIUM
        Hybrid: Two days in our client's London office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
        Hybrid: Two days in our client's London office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
        more
        PREMIUM
        Hybrid: Two days in our client's London office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
        Hybrid: Two days in our client's London office and three days working from home. On Monday morning, you might be refining an API connection between a collections database and a public-facing platform. By Wednesday, you could be writing a PHP 8.2 script to automate image processing for a new exhibition launch. Friday afternoon? Testing out an AI tool to help curators search archive materials faster. That’s the reality of life as a Backend Integration Developer here. No two weeks look the same. The mix of backend software development, systems integration, and cloud infrastructure work means you’ll constantly be learning, solving problems, and collaborating with colleagues from across the organisation. This is a fantastic opportunity for a technically adaptable developer to join a nationally respected cultural institution with an ambitious digital vision.
        more
        NEWFEATURED

        Mulesoft Technical Lead

        LA International Computer Consultants Ltd
        Lambeth, SE1 7ND
        £700 - £765 per day
        Required: Mulesoft Technical Lead Location: Remote Duration: 12 month initial contract IR35 Status: Inside Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration flows using MuleSoft's Anypoint Studio. Creating & implementing custom connectors and modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions.
        Required: Mulesoft Technical Lead Location: Remote Duration: 12 month initial contract IR35 Status: Inside Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft Anypoint Platform. Building & maintaining integration flows using MuleSoft's Anypoint Studio. Creating & implementing custom connectors and modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions.
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        NEW
        Robert Half Technology are assisting a global market leading AI powered tech company to recruit a Salesforce Developer on a contract basis - hybrid working - London based. Outside IR35 Join a growing Data & Revenue Operations (D&R) Team. This role is an opportunity to deliver high-impact improvements to our Salesforce platform while driving integrations with a modern GTM technology stack. You'll work closely with the Sales, Service, and Operations teams to deliver both quick wins and strategic improvements within Salesforce. This is a hands-on role for someone who can get up to speed quickly, spot opportunities for improvement, and deliver tangible impact over 3-6 months. Role 1. Salesforce Development & Enhancements * Design and build custom Apex code, Lightning components, and Flows to support evolving business needs.
        Robert Half Technology are assisting a global market leading AI powered tech company to recruit a Salesforce Developer on a contract basis - hybrid working - London based. Outside IR35 Join a growing Data & Revenue Operations (D&R) Team. This role is an opportunity to deliver high-impact improvements to our Salesforce platform while driving integrations with a modern GTM technology stack. You'll work closely with the Sales, Service, and Operations teams to deliver both quick wins and strategic improvements within Salesforce. This is a hands-on role for someone who can get up to speed quickly, spot opportunities for improvement, and deliver tangible impact over 3-6 months. Role 1. Salesforce Development & Enhancements * Design and build custom Apex code, Lightning components, and Flows to support evolving business needs.
        more
        NEW

        .NET Developer

        Tech 4
        EC1, City of London
        From £60,000 to £70,000 per annum + excellent benefits
        An opportunity has arisen for an experienced Microsoft .Net Software Developer to join this organisation, and contribute to the development of its suite of systems, which are central to how they engage with their clients. Develop business applications for use within the business or by their clients. Provide technical enhancement for existing and new applications The successful candidate will have 3 or more years experience of application development. They will be well versed in structured programming, software testing and database optimisation. The candidate will have proven ability to understand a business requirement or process, and turn it into well written, well tested, documented and maintainable code.
        An opportunity has arisen for an experienced Microsoft .Net Software Developer to join this organisation, and contribute to the development of its suite of systems, which are central to how they engage with their clients. Develop business applications for use within the business or by their clients. Provide technical enhancement for existing and new applications The successful candidate will have 3 or more years experience of application development. They will be well versed in structured programming, software testing and database optimisation. The candidate will have proven ability to understand a business requirement or process, and turn it into well written, well tested, documented and maintainable code.
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        Location:West London (Hybrid 2 days/week on site, hear Heathrow) Contract:6 months initial (extensions highly likely) Start:ASAP Eligibility:UK-based candidates only Rate:Market rates We re seeking aGraphQL-focused Software Engineerwho can design, implement and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. What You ll Do * Design & developGraphQL APIs from schema design to production integration, ensuring performance, flexibility, and maintainability. * Buildscalable TypeScript/Node.js servicesthat integrate seamlessly with modern frontends and data sources. * ApplyDevOps best practicesto deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes.
        Location:West London (Hybrid 2 days/week on site, hear Heathrow) Contract:6 months initial (extensions highly likely) Start:ASAP Eligibility:UK-based candidates only Rate:Market rates We re seeking aGraphQL-focused Software Engineerwho can design, implement and evolve high-performing APIs that scale. If crafting elegant GraphQL schemas, building robust TypeScript/Node.js services, and deploying to cloud-native environments is your idea of fun, this is your next project. What You ll Do * Design & developGraphQL APIs from schema design to production integration, ensuring performance, flexibility, and maintainability. * Buildscalable TypeScript/Node.js servicesthat integrate seamlessly with modern frontends and data sources. * ApplyDevOps best practicesto deliver through CI/CD pipelines (Jenkins, Concourse), Docker, Helm, and Kubernetes.
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        Lynx are looking for an Enterprise Platform Architect for a 6-month contract with a leading organisation in Stratford, East London (2 days/week on-site). * Lead the application and integration architecture strategy * Define enterprise roadmaps, patterns, and governance processes * Provide architectural leadership across business and technology teams * Work with cloud platforms (AWS, GCP, O365), API integration, containerisation, and microservices * Apply architectural frameworks (TOGAF/Zachman) to deliver strategic value Rate: £540/day Inside IR35 client runs payroll & covers employers NI Location: Stratford, East London (2 days/week on-site) If youre an experienced architect with a strategic mindset, please apply!
        Lynx are looking for an Enterprise Platform Architect for a 6-month contract with a leading organisation in Stratford, East London (2 days/week on-site). * Lead the application and integration architecture strategy * Define enterprise roadmaps, patterns, and governance processes * Provide architectural leadership across business and technology teams * Work with cloud platforms (AWS, GCP, O365), API integration, containerisation, and microservices * Apply architectural frameworks (TOGAF/Zachman) to deliver strategic value Rate: £540/day Inside IR35 client runs payroll & covers employers NI Location: Stratford, East London (2 days/week on-site) If youre an experienced architect with a strategic mindset, please apply!
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        Role: React Native Developer Location: London / Knutsford/ Glasgow / Northampton - Any location (Hybrid) Duration: 6 Months Day rate: £400 - £450 Umbrella Only As a Senior React Native Developer, you will play a key role in shaping the architecture, performance, and quality of our mobile applications. You'll lead development efforts, promote best practices, and work closely with product managers and designers to deliver user-centric solutions that scale. This role goes beyond coding-you'll be a technical steward, setting standards and fostering a culture of continuous improvement across the mobile development team. * Lead the development of mobile applications using React Native and modern JavaScript (ES6+). * Drive technical design and implementation of new features, ensuring code quality and maintainability.
        Role: React Native Developer Location: London / Knutsford/ Glasgow / Northampton - Any location (Hybrid) Duration: 6 Months Day rate: £400 - £450 Umbrella Only As a Senior React Native Developer, you will play a key role in shaping the architecture, performance, and quality of our mobile applications. You'll lead development efforts, promote best practices, and work closely with product managers and designers to deliver user-centric solutions that scale. This role goes beyond coding-you'll be a technical steward, setting standards and fostering a culture of continuous improvement across the mobile development team. * Lead the development of mobile applications using React Native and modern JavaScript (ES6+). * Drive technical design and implementation of new features, ensuring code quality and maintainability.
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        PREMIUM
        Full Stack Developer - React / Python London | Hybrid (2 days office and 3 days from home) £60K-£70K + Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. * Build responsive UIs in React * Develop APIs & services in Python (either Django/Flask/FastAPI) * Own features end-to-end * Help shape our tech stack * Strong React & Python skills * API & database experience * A proactive, problem-solving mindset * Ideally start-up or scale-up experience Why us? * Big impact from day one * Technical ownership & flexibility * Career growth + equity options Apply with your CV + GitHub Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions.
        Full Stack Developer - React / Python London | Hybrid (2 days office and 3 days from home) £60K-£70K + Equity | Full-Time | Start-up We're a high-growth start-up building a leading healthcare! Looking for a Full Stack developer who loves working across the stack - React on the front end, Python on the back end. * Build responsive UIs in React * Develop APIs & services in Python (either Django/Flask/FastAPI) * Own features end-to-end * Help shape our tech stack * Strong React & Python skills * API & database experience * A proactive, problem-solving mindset * Ideally start-up or scale-up experience Why us? * Big impact from day one * Technical ownership & flexibility * Career growth + equity options Apply with your CV + GitHub Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions.
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        Software Developer - Active SC, Python, AWS

        Hays
        London
        £400.0 - £425.0 per day + up to £425 per day (InsideIR35)
        Up to £425 per day (Inside IR35) London / Primarily Remote 8 Months My client is an international consultancy, who require a Software Developer that holds active SC clearance, with Python, Terraform and AWS to work closely with a key end client. * Proven experience as a software developer with data integration experience (API) * Extensive experience programming in Python * Active Security Clearance (SC) * Expertise in AWS, Kubernetes and CI/CD (Continuous Integration / Continuous Deployment) * Strong working knowledge of Elastic, Kibana and React * Excellent communication skills * Working knowledge of Docker / Single Sign On * Familiarity with Agile practices If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
        Up to £425 per day (Inside IR35) London / Primarily Remote 8 Months My client is an international consultancy, who require a Software Developer that holds active SC clearance, with Python, Terraform and AWS to work closely with a key end client. * Proven experience as a software developer with data integration experience (API) * Extensive experience programming in Python * Active Security Clearance (SC) * Expertise in AWS, Kubernetes and CI/CD (Continuous Integration / Continuous Deployment) * Strong working knowledge of Elastic, Kibana and React * Excellent communication skills * Working knowledge of Docker / Single Sign On * Familiarity with Agile practices If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
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        My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
        My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
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        Senior Dataverse & Power Platform Integration Developer Outside IR35 | Circa £500 p/d | Hybrid (Near London) | Immediate Start We are seeking an experienced Senior Software Developer with strong Dataverse, Power Platform, and Azure integrations experience for a high-impact contract. You will be working on the delivery of a secure, fully orchestrated client lifecycle management system for a leading professional services organisation. This role involves end-to-end integration delivery - from configuring Microsoft Fabric & Dataverse environments, building ETL pipelines, and crafting API endpoints, to enabling workflow automation with Logic Apps and Power Platform. You will collaborate closely with technical and business teams to ensure secure, accurate, and reliable data movement across the ecosystem. Responsibilities * Configure Microsoft Fabric & Dataverse environments
        Senior Dataverse & Power Platform Integration Developer Outside IR35 | Circa £500 p/d | Hybrid (Near London) | Immediate Start We are seeking an experienced Senior Software Developer with strong Dataverse, Power Platform, and Azure integrations experience for a high-impact contract. You will be working on the delivery of a secure, fully orchestrated client lifecycle management system for a leading professional services organisation. This role involves end-to-end integration delivery - from configuring Microsoft Fabric & Dataverse environments, building ETL pipelines, and crafting API endpoints, to enabling workflow automation with Logic Apps and Power Platform. You will collaborate closely with technical and business teams to ensure secure, accurate, and reliable data movement across the ecosystem. Responsibilities * Configure Microsoft Fabric & Dataverse environments
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