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        94 API jobs in Harlow + 20 miles

        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

        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
        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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        NEW
        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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        Investran Application Specialist

        Cobalt Recruitment.
        City of London, London
        £75000.00 - £95000 per annum
        About the Company You'll be joining a global fund administrator with deep roots in private equity and a culture grounded in collaboration, integrity, and professional growth. Their technology function is embedded in strategic decision-making, and you'll have the autonomy and visibility to truly influence outcomes. * Maintain and enhance the Investran platform to support day-to-day operations and long-term scalability. * Build and manage integrations between Investran and other enterprise tools to ensure data accuracy and automation. * Lead technical troubleshooting, upgrades, and documentation to reduce downtime and support business continuity. * Translate operational needs into system improvements by working directly with internal stakeholders. * Extract and prepare data for analysis, reporting, and audits, driving better business decisions.
        About the Company You'll be joining a global fund administrator with deep roots in private equity and a culture grounded in collaboration, integrity, and professional growth. Their technology function is embedded in strategic decision-making, and you'll have the autonomy and visibility to truly influence outcomes. * Maintain and enhance the Investran platform to support day-to-day operations and long-term scalability. * Build and manage integrations between Investran and other enterprise tools to ensure data accuracy and automation. * Lead technical troubleshooting, upgrades, and documentation to reduce downtime and support business continuity. * Translate operational needs into system improvements by working directly with internal stakeholders. * Extract and prepare data for analysis, reporting, and audits, driving better business decisions.
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        NEW

        Backend Engineer

        Plexus Resource Solutions Ltd
        EC1, City of London
        From £100,000 to £130,000 per annum
        Remote £100k - £130k Plexus has another great opportunity with one of our long-term clients. They believe that using crypto can enable a more equitable system for creators, fundamentally rediscovering the power of the internet. They are looking for a Backend Engineer to join one of their core product engineering teams with the ability to directly impact millions of user experiences in how they interactive with our products. * Work with team to build out new features in the product. * Build and maintain an API used by the product as well as external partners. * Communicate status, updates, blockers, etc., to cross functional stakeholders. * Participate in RFC and code review. * 3+ years of experience as an engineer. * Technical background in Python, GraphQL, and MongoDB. * Comfortable in moving across the stack when needed (Typescript/React/Next/Solidity)
        Remote £100k - £130k Plexus has another great opportunity with one of our long-term clients. They believe that using crypto can enable a more equitable system for creators, fundamentally rediscovering the power of the internet. They are looking for a Backend Engineer to join one of their core product engineering teams with the ability to directly impact millions of user experiences in how they interactive with our products. * Work with team to build out new features in the product. * Build and maintain an API used by the product as well as external partners. * Communicate status, updates, blockers, etc., to cross functional stakeholders. * Participate in RFC and code review. * 3+ years of experience as an engineer. * Technical background in Python, GraphQL, and MongoDB. * Comfortable in moving across the stack when needed (Typescript/React/Next/Solidity)
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        NEW

        Full Stack Developer

        Understanding Recruitment
        East London, London, E1 6BD
        Remote Working
        Location: Fully Remote I'm partnered with a well known UK charity who are hiring for a full stack developer to join the team. Key skills for this role are knowledge of .Net, C#, Entity Framework, SQL server, API's and a experience in full stack positions and also an approachable manner in order to gather requirements from teams within the business. The Full Stack Developer will be supporting a key organisational project working on an in-house tool allowing partner organisations to work more efficiently. - .Net Core C#, Entity Framework, LINQ, Razor Pages experience - Strong experience with API's and integration - Good communication skills and a self starter .Net / C# / Integration Developer Apply now for immediate consideration regarding this excellent opportunity! Understanding Recruitment is acting as an employment agency for this vacancy
        Location: Fully Remote I'm partnered with a well known UK charity who are hiring for a full stack developer to join the team. Key skills for this role are knowledge of .Net, C#, Entity Framework, SQL server, API's and a experience in full stack positions and also an approachable manner in order to gather requirements from teams within the business. The Full Stack Developer will be supporting a key organisational project working on an in-house tool allowing partner organisations to work more efficiently. - .Net Core C#, Entity Framework, LINQ, Razor Pages experience - Strong experience with API's and integration - Good communication skills and a self starter .Net / C# / Integration Developer Apply now for immediate consideration regarding this excellent opportunity! Understanding Recruitment is acting as an employment agency for this vacancy
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        Full Stack Engineer / Developer (JavaScript TypeScript) WFH / London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As a Full Stack Engineer you'll collaborate with a small team working on internal tools and data platforms, with a focus on implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive user interfaces, implement RESTful APIs, optimise database queries for performance and ensure solutions are highly scalable and maintainable. This is a great opportunity to join a scaling start-up in a role that you can shape and influence.
        Full Stack Engineer / Developer (JavaScript TypeScript) WFH / London to £75k Opportunity to progress your career as a Full Stack Developer working on Tech for Good application for the healthcare sector that utilises AI and Machine Learning techniques to help prevent patients from experiencing health crisis. As a Full Stack Engineer you'll collaborate with a small team working on internal tools and data platforms, with a focus on implementing robust security practices and scalable architectures. You'll use a range of technology, primarily JavaScript on the backend and TypeScript on the frontend, you'll build secure, responsive user interfaces, implement RESTful APIs, optimise database queries for performance and ensure solutions are highly scalable and maintainable. This is a great opportunity to join a scaling start-up in a role that you can shape and influence.
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        NEWPREMIUM
        Description Our client is a leading research organization focused on advancing the future of virtual and augmented reality technologies. Their Audio Research team is dedicated to two transformative goals: creating virtual sounds that are perceptually indistinguishable from reality, and redefining human hearing. These innovations aim to foster deeper human connection across distances and enable seamless communication in challenging acoustic environments. They are seeking acontract software engineerto support and enhance the software and systems used in their data collection lab located inCambridge, UK. The role involves building software that interfaces with cutting-edge prototype devices and integrating them into a robust data collection platform.
        Description Our client is a leading research organization focused on advancing the future of virtual and augmented reality technologies. Their Audio Research team is dedicated to two transformative goals: creating virtual sounds that are perceptually indistinguishable from reality, and redefining human hearing. These innovations aim to foster deeper human connection across distances and enable seamless communication in challenging acoustic environments. They are seeking acontract software engineerto support and enhance the software and systems used in their data collection lab located inCambridge, UK. The role involves building software that interfaces with cutting-edge prototype devices and integrating them into a robust data collection platform.
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        NEWPREMIUM
        Excellent opportunity to join one of the U.K's leading defence organisations with a reputation for working with the latest and greatest tools and tech and providing 1st class skill up and career development opportunities. On offer - Salary - £45k-£55k D.O.E - Benefits Package - Company annual bonus - up to £2500 - Hybrid working 2/3 days on site in Stevenage OR Bolton - 1st class career progression & skill up ops - 14% pension - plus more What do I need? - Skills with SQL - MS SQL, SQL Server, Oracle or similar - Experience with ETL, API, ESL or similar - Hands on with coding languages such as Python, Bash or similar - Knowledge of Big Data tech such as Hadoop or simlar - Knowledge in the following areas are highly desirable but not essential - AI, Natural Language Processing, OCR - Experience with containerisation via Docker is highly advantageous
        Excellent opportunity to join one of the U.K's leading defence organisations with a reputation for working with the latest and greatest tools and tech and providing 1st class skill up and career development opportunities. On offer - Salary - £45k-£55k D.O.E - Benefits Package - Company annual bonus - up to £2500 - Hybrid working 2/3 days on site in Stevenage OR Bolton - 1st class career progression & skill up ops - 14% pension - plus more What do I need? - Skills with SQL - MS SQL, SQL Server, Oracle or similar - Experience with ETL, API, ESL or similar - Hands on with coding languages such as Python, Bash or similar - Knowledge of Big Data tech such as Hadoop or simlar - Knowledge in the following areas are highly desirable but not essential - AI, Natural Language Processing, OCR - Experience with containerisation via Docker is highly advantageous
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        PREMIUM
        6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB We are seeking a talented and motivated Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week. * Develop and maintain scalable and responsive web applications using React.js and TypeScript.
        6 Month contract 40 hours per week Inside IR35 Hybrid 1 office day London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB We are seeking a talented and motivated Frontend Developer with strong expertise in TypeScript to join our growing development team. In this role, you will work on building high-quality, scalable, and responsive web applications using React and TypeScript. You will collaborate closely with cross-functional teams to deliver exceptional user experiences, optimize performance, and contribute to the overall architecture of our platform. Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in their London office. It is a full-time role, 40 hours per week. * Develop and maintain scalable and responsive web applications using React.js and TypeScript.
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        Senior Backend Engineer - Data Pipelines - £600.day

        Wilson Brown Limited
        EC1, City of London
        Up to £600 per day Outside IR35 & Fully Remote (UK)
        Senior Software Engineer - Data & Backend - Up to £600.day outside IR35 LegalTech | Remote (UK) | Python | GCP | Data Pipelines | Event-Based Solutions Were helping a seed-funded LegalTech startup build their MVP. They need a Data-Focused Senior Software Engineer with a passion for building data pipelines and backend engineering using Python. If you crave a role where you can build 0-1 and have big impact then look no further! * Location: Remote (UK Only) * Outside IR35 * Up to £600.day * 3 months (possible extension) As the Software Engineer on this project, youll design and build data pipelines in Python and GCP, deliver high-performance backend systems, and implement IaC to ensure everything scales. * Build backend services and data pipelines from scratch * Architect event-driven solutions in GCP with Pub/Sub & Cloud Run
        Senior Software Engineer - Data & Backend - Up to £600.day outside IR35 LegalTech | Remote (UK) | Python | GCP | Data Pipelines | Event-Based Solutions Were helping a seed-funded LegalTech startup build their MVP. They need a Data-Focused Senior Software Engineer with a passion for building data pipelines and backend engineering using Python. If you crave a role where you can build 0-1 and have big impact then look no further! * Location: Remote (UK Only) * Outside IR35 * Up to £600.day * 3 months (possible extension) As the Software Engineer on this project, youll design and build data pipelines in Python and GCP, deliver high-performance backend systems, and implement IaC to ensure everything scales. * Build backend services and data pipelines from scratch * Architect event-driven solutions in GCP with Pub/Sub & Cloud Run
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        My client, a leading Consutancy, is looking for a MurexArchitect. Role: Murex TechnicalArchitect Location: London (Onsite) Duration: 6 months Client: Tier-1 Bank (via Consultancy) We are seeking an experienced Murex TechnicalArchitectto lead the design, integration, and optimisation of Murex solutions for a major banking client. This role will be onsite in London, working closely with business and technology teams to deliver a complex Murex-related project within a tight timeline. Lead the technicalarchitecture and solution design for Murex implementations and enhancements. Oversee integration with upstream/downstream systems and ensure end-to-end performance, security, and scalability. Collaborate with functional leads, developers, and infrastructure teams to ensure alignment with business requirements.
        My client, a leading Consutancy, is looking for a MurexArchitect. Role: Murex TechnicalArchitect Location: London (Onsite) Duration: 6 months Client: Tier-1 Bank (via Consultancy) We are seeking an experienced Murex TechnicalArchitectto lead the design, integration, and optimisation of Murex solutions for a major banking client. This role will be onsite in London, working closely with business and technology teams to deliver a complex Murex-related project within a tight timeline. Lead the technicalarchitecture and solution design for Murex implementations and enhancements. Oversee integration with upstream/downstream systems and ensure end-to-end performance, security, and scalability. Collaborate with functional leads, developers, and infrastructure teams to ensure alignment with business requirements.
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        Senior Software Developer

        Tech 4
        E10, East London
        From £64,000 to £70,000 per annum + excellent benefits
        Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. Requirements * Design and implement systems and software to meet requirements using appropriate tools and methods. * Promote the creation of high-quality code by commitment to practices such as test-driven development, pair programming and code review. * Be responsible for the technical development of all stages of software creation, including testing; ensure that implementation meets security, performance, and safety requirements. * Suggest improvements to the code base, development processes, tooling and working practices.
        Highly successful and fast growing organisation has an exciting opportunity for a Senior Software Developer (PYTHON/AWS/REACT). They are looking for a talented individual who will design, implement, and maintain their publishing software, systems, and customer-facing digital products. Requirements * Design and implement systems and software to meet requirements using appropriate tools and methods. * Promote the creation of high-quality code by commitment to practices such as test-driven development, pair programming and code review. * Be responsible for the technical development of all stages of software creation, including testing; ensure that implementation meets security, performance, and safety requirements. * Suggest improvements to the code base, development processes, tooling and working practices.
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        Senior Full Stack Engineer

        Searchworks Ltd
        Shoreditch, E1
        From £70,000 to £80,000 per annum
        Our client is a fast-growing and well-funded proptech companyon a mission to simplify the stressful process of selling your home. Backed by top-tier investors and operating at the heart of the property market, theyre building a platform that brings clarity, insight, and ease to one of lifes most complex transactions. Theyre looking for aFull Stack Developerwho thrives in ambiguity, loves shipping impactful products, and wants to help shape the future of property tech. If you enjoy solving problems across both frontend and backend, and want to work in a product-first, user-focused environment, this could be the role for you. Employment Type: Full-Time Level:MidSenior (Full Stack Engineer) Industry:Property Technology Functions:Full Stack Development | Product Engineering | Software Delivery * Proven experience withJavaScript/Node.jsin a full stack role
        Our client is a fast-growing and well-funded proptech companyon a mission to simplify the stressful process of selling your home. Backed by top-tier investors and operating at the heart of the property market, theyre building a platform that brings clarity, insight, and ease to one of lifes most complex transactions. Theyre looking for aFull Stack Developerwho thrives in ambiguity, loves shipping impactful products, and wants to help shape the future of property tech. If you enjoy solving problems across both frontend and backend, and want to work in a product-first, user-focused environment, this could be the role for you. Employment Type: Full-Time Level:MidSenior (Full Stack Engineer) Industry:Property Technology Functions:Full Stack Development | Product Engineering | Software Delivery * Proven experience withJavaScript/Node.jsin a full stack role
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        Power BI Developer

        DGH Recruitment
        EC1, City of London
        £65000 - £75000 per annum
        A newly created position within the Technology department, the Power BI Developer will lead the firm's reporting transformation-designing dashboards and analytics that empower strategic and operational decision-making across departments. Reporting & Insights * Convert business needs into intuitive Power BI dashboards. * Deliver insights on financials, market trends, and internal KPIs. * Build reusable semantic models and maintain change documentation. Platform Management * Own and optimise the Power BI environment. * Enhance performance via DAX and data model tuning. * Ensure data refresh reliability and reporting consistency. Essential Skills * Advanced Power BI (DAX, Power Query) * Strong data modelling & semantic design * Multi-source data integration (Excel, SQL, APIs) * Clear communication of insights to non-technical users
        A newly created position within the Technology department, the Power BI Developer will lead the firm's reporting transformation-designing dashboards and analytics that empower strategic and operational decision-making across departments. Reporting & Insights * Convert business needs into intuitive Power BI dashboards. * Deliver insights on financials, market trends, and internal KPIs. * Build reusable semantic models and maintain change documentation. Platform Management * Own and optimise the Power BI environment. * Enhance performance via DAX and data model tuning. * Ensure data refresh reliability and reporting consistency. Essential Skills * Advanced Power BI (DAX, Power Query) * Strong data modelling & semantic design * Multi-source data integration (Excel, SQL, APIs) * Clear communication of insights to non-technical users
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        NEW
        We are working with a leading igaming organisation that needs a Senior Angular Developer to come board to work on some exciting new projects enhancing their fully responsive web product built on Angular. On a day-to-day basis you will be working with business stakeholders developing new feature enhancements to the platform and continuing development of their technical enhancement roadmap whilst also contributing to improvements in overall platform architecture Developing new feature enhancements to the platform Integrating new Casino game suppliers as required by the business Continuing development of their technical enhancement roadmap At least 5+ years experience in front end technologies specifically 3+ years with Angular version 10+ At least 2+ years experience with Reactive programming using RXJS
        We are working with a leading igaming organisation that needs a Senior Angular Developer to come board to work on some exciting new projects enhancing their fully responsive web product built on Angular. On a day-to-day basis you will be working with business stakeholders developing new feature enhancements to the platform and continuing development of their technical enhancement roadmap whilst also contributing to improvements in overall platform architecture Developing new feature enhancements to the platform Integrating new Casino game suppliers as required by the business Continuing development of their technical enhancement roadmap At least 5+ years experience in front end technologies specifically 3+ years with Angular version 10+ At least 2+ years experience with Reactive programming using RXJS
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        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

        Senior Software Engineer C#

        McCabe & Barton
        EC2, City of London
        From £350 to £450 per day
        Senior C# Developer Contract £400/day Remote Join a cutting-edge music-tech business transforming how music artists and creators connect. As a Senior C# Developer, youll own new feature delivery, shape architecture, and work with a modern stack (C#/.NET Core, Blazor, ReactiveUI, Rx.NET) in a lean, fast-moving team. * 5+ years C#/.NET experience * Strong reactive programming skills (Rx.NET, async streams) * Blazor + ReactiveUI expertise * TDD mindset & solid API design skills Why join:? Shape a product from the ground up? Fully remote (4+ hrs UK overlap)? Autonomy & impact? Purpose-driven mission in music tech?? Apply now and help build the future of music licensing.
        Senior C# Developer Contract £400/day Remote Join a cutting-edge music-tech business transforming how music artists and creators connect. As a Senior C# Developer, youll own new feature delivery, shape architecture, and work with a modern stack (C#/.NET Core, Blazor, ReactiveUI, Rx.NET) in a lean, fast-moving team. * 5+ years C#/.NET experience * Strong reactive programming skills (Rx.NET, async streams) * Blazor + ReactiveUI expertise * TDD mindset & solid API design skills Why join:? Shape a product from the ground up? Fully remote (4+ hrs UK overlap)? Autonomy & impact? Purpose-driven mission in music tech?? Apply now and help build the future of music licensing.
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        NEW
        Skills * 5+ years of experience in IAM, with at least 3 years as a SailPoint specialist. * Strong hands-on experience with SailPoint IdentityIQ or IdentityNow. * Proficiency in Java, BeanShell, REST APIs and scripting languages (e.g., PowerShell, Python). * Experience integrating SailPoint with systems like Active Directory, Azure AD, Workday, ServiceNow etc. * Solid understanding of RBAC, ABAC, access certifications, provisioning and identity lifecycle management. * Familiarity with identity governance frameworks and compliance requirements. * Excellent communication, documentation and stakeholder engagement skills. Role * Act as the primary subject matter expert for SailPoint IdentityNow or IdentityIQ. * Lead design, implementation and integration of SailPoint solutions into existing identity infrastructure.
        Skills * 5+ years of experience in IAM, with at least 3 years as a SailPoint specialist. * Strong hands-on experience with SailPoint IdentityIQ or IdentityNow. * Proficiency in Java, BeanShell, REST APIs and scripting languages (e.g., PowerShell, Python). * Experience integrating SailPoint with systems like Active Directory, Azure AD, Workday, ServiceNow etc. * Solid understanding of RBAC, ABAC, access certifications, provisioning and identity lifecycle management. * Familiarity with identity governance frameworks and compliance requirements. * Excellent communication, documentation and stakeholder engagement skills. Role * Act as the primary subject matter expert for SailPoint IdentityNow or IdentityIQ. * Lead design, implementation and integration of SailPoint solutions into existing identity infrastructure.
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        NEWPREMIUM
        Role: ServiceNow Developer Salary/Rate: £600-700 Location: hybrid multiple locations available Contract Duration: 12 months We are currently looking for a ServiceNow Developer for our government client. This ServiceNow Developer role is hybrid, based between 2 days per week on site and the remainder of the week working remotely. Office locations include most major towns, with London being a preference. The contract for the ServiceNow Developer position is for 12-months with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Proficiency in JavaScript: Core scripting language used in ServiceNow. * Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB.
        Role: ServiceNow Developer Salary/Rate: £600-700 Location: hybrid multiple locations available Contract Duration: 12 months We are currently looking for a ServiceNow Developer for our government client. This ServiceNow Developer role is hybrid, based between 2 days per week on site and the remainder of the week working remotely. Office locations include most major towns, with London being a preference. The contract for the ServiceNow Developer position is for 12-months with potential to extend, operating inside IR35. Security Clearance: Security Check ('SC Clearance') This role is inside IR35 - Due to the service of the role, it will now be based on an Umbrella solution. * Proficiency in JavaScript: Core scripting language used in ServiceNow. * Experience with ServiceNow platform: Including modules like ITSM, ITOM, HRSD, CSM, and CMDB.
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        NEW

        Junior Presales Engineer, UK (German & English)

        Optibus Transportation Limited
        The City, EC2M 5TQ
        From £39,000 to £45,000 per annum Salary displays OTE, which is 80% &
        Optibusis a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike. We are looking for a Junior Presales Engineer to join our global Revenue team!
        Optibusis a unified software platform revolutionizing public transportation planning, scheduling, and operations in over 7,000 cities worldwide. Using AI, ML, and optimization algorithms, it empowers agencies to design more efficient, equitable, and sustainable transit networks, enhancing passenger access, reducing emissions, and improving driver conditions. With offices globally and a team of 350+ employees, Optibus fosters a collaborative culture centered on innovation, determination, and impact. As the first unicorn in public transportation technology, Optibus is driving the modernization of mass transit to make it the preferred choice for cities and passengers alike. We are looking for a Junior Presales Engineer to join our global Revenue team!
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        NEW

        Technical Business Analyst

        Ncounter LTD
        EC1, City of London
        From £120,000 to £150,000 per annum Bonus and package
        Ncounter is hiring a hybrid Technical Business Analyst / Project Manager to join a high-performance technology team delivering complex trading solutions across global markets. Youll play a pivotal role in shaping products that underpin real-time financial decision-making, working across engineering, research, and infrastructure groups. Whether your strengths lie in requirements analysis or delivery management, this role offers the chance to influence business-critical systems in a high-frequency trading environment. Where youll make an impact Youll either join the analysis team, acting as the key translator between business goals and technical implementation, or take the reins on end-to-end project deliverydepending on your expertise and focus. * Capture and refine detailed business and technical requirements
        Ncounter is hiring a hybrid Technical Business Analyst / Project Manager to join a high-performance technology team delivering complex trading solutions across global markets. Youll play a pivotal role in shaping products that underpin real-time financial decision-making, working across engineering, research, and infrastructure groups. Whether your strengths lie in requirements analysis or delivery management, this role offers the chance to influence business-critical systems in a high-frequency trading environment. Where youll make an impact Youll either join the analysis team, acting as the key translator between business goals and technical implementation, or take the reins on end-to-end project deliverydepending on your expertise and focus. * Capture and refine detailed business and technical requirements
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        We are looking for an enthusiastic and proactive Automation Test Engineer who boasts experience with Python and Pytest to join our fantastic London based fintech client, working largely remote with monthly get togethers. This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium and Appium. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
        We are looking for an enthusiastic and proactive Automation Test Engineer who boasts experience with Python and Pytest to join our fantastic London based fintech client, working largely remote with monthly get togethers. This Automation Tester will be backend-focused, testing the server-side components, ensuring that the database (SQL), APIs, and business logic function correctly and efficiently. * Backend Automation testing skills with Python and Pytest. * Solid SQL skills and experience with relational databases. * Solid experience in automation testing using tools such as Selenium and Appium. * Batch processing experience. * Financial services / fintech experience. If you're passionate about testing, automation, and continuous learning, we would love to hear from you!
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