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17 Permanent API jobs in Business Venture (MK11) + 20 miles
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Are you a C++ Software Developer? Do you have a minimum of 12 months commercial experience? If yes, then read on, and let us tell you why Synertec is adding real value into the Public and Commercial Sectors. Location: Wellington, Somerset OR Bristol, OR Milton Keynes - Salary: £40,196.18 - £51,680.11 DOE - Core Benefits: Hybrid Working Policy (2 days maximum in office), 25 days holiday rising to 30 (plus Bank Holidays), Company Pension Scheme (8% employer contribution) Health Cash Plan (after completion of Probationary Period) Embark on your journey with confidence through our Comprehensive Induction and Training Program. We invest in your professional development from day one, providing the tools and knowledge to excel in your role. Join us and experience a workplace that values your individuality and prioritises your well-being.
Are you a C++ Software Developer? Do you have a minimum of 12 months commercial experience? If yes, then read on, and let us tell you why Synertec is adding real value into the Public and Commercial Sectors. Location: Wellington, Somerset OR Bristol, OR Milton Keynes - Salary: £40,196.18 - £51,680.11 DOE - Core Benefits: Hybrid Working Policy (2 days maximum in office), 25 days holiday rising to 30 (plus Bank Holidays), Company Pension Scheme (8% employer contribution) Health Cash Plan (after completion of Probationary Period) Embark on your journey with confidence through our Comprehensive Induction and Training Program. We invest in your professional development from day one, providing the tools and knowledge to excel in your role. Join us and experience a workplace that values your individuality and prioritises your well-being.
NEWFEATURED
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Automation Tester - .Net - Specflow - Remote - Inside IR35
Automation Tester - .Net - Specflow - Remote - Inside IR35
The Bridge (IT Recruitment) Limited
NN4, Northampton, NN4 0AB
£550 - 575 per day
API
API
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Implement API integrations with external services * Proficient in Node.js, Git, and API integration
Implement API integrations with external services * Proficient in Node.js, Git, and API integration
Maintain internal API and code documentation. * Strong experience with React, TypeScript, Java, Spring Boot, and RESTful API development.
Maintain internal API and code documentation. * Strong experience with React, TypeScript, Java, Spring Boot, and RESTful API development.
FEATURED
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PHP Web Developer
PHP Web Developer
Rise Technical
Northampton, Northamptonshire
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
NEW
Junior PHP Developer
Junior PHP Developer
Rise Technical
Northampton, Northamptonshire
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
NEW
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PHP Web Developer
PHP Web Developer
Rise Technical Recruitment Limited
NN1, Northampton
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
PREMIUM
Junior PHP Developer
Junior PHP Developer
Rise Technical Recruitment Limited
NN1, Northampton
£26000 - £34000 per annum + Great Benefits
Experience with Git version control and API integration
Experience with Git version control and API integration
PREMIUM
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Lead .Net Software Developer
Lead .Net Software Developer
Hireful
Milton Keynes, Buckinghamshire
£65k - £75k base salary plus Bonus and awesome benefits
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
Are you a hands-on Lead or Senior .Net Developer ready to shape architecture and guide talented developers? Want a hybrid role with 3 days WFH? This is your chance to stay close to the code while making key technical decisions that drive real business impact. You'll join a collaborative, forward-thinking team building cutting-edge products — with the support, tools, and flexibility to thrive. Role: Lead Software Developer, Senior .Net Developer, Software Engineering Manager, Senior Full Stack Developer, Lead .Net Developer, Lead Software Engineer, Senior C# Developer - Salary: £65k - £75k base + Bonus - Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance, cinema tickets & more - Location: Milton Keynes – Hybrid (2 days a week in office) If you’ve got strong .Net (C#) experience and skills in GitHub, APIs, Pos
NEWFEATURED
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iPaaS Platform & Integration Engineer
iPaaS Platform & Integration Engineer
Informed Recruitment Limited
MK3, Milton Keynes, MK3 6EB
£50000 - £65000 per annum + Excellent Benefits
API & Web Services - REST/RESTFul, SOAP, XML, JSON
API & Web Services - REST/RESTFul, SOAP, XML, JSON
NEW
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Howdens are offering an exciting opportunity to take a leading role in our software development function as a Technical Architect. You will drive the technical vision, define architectural strategy, and guide the creation of innovative, scalable solutions that make a real impact on our business - What youll be doing * Technical Leadership: Mentor developers, guide best practices, and resolve complex technical challenges. * Architecture Ownership: Define, evolve, and document system architecture to align with business goals and technical standards. * Solution Design: Deliver secure, scalable solutions that balance speed, cost, and quality. * Standards & Governance: Uphold coding, testing, and security standards across teams. * Innovation: Evaluate new technologies, modernise systems, and reduce technical debt.
Howdens are offering an exciting opportunity to take a leading role in our software development function as a Technical Architect. You will drive the technical vision, define architectural strategy, and guide the creation of innovative, scalable solutions that make a real impact on our business - What youll be doing * Technical Leadership: Mentor developers, guide best practices, and resolve complex technical challenges. * Architecture Ownership: Define, evolve, and document system architecture to align with business goals and technical standards. * Solution Design: Deliver secure, scalable solutions that balance speed, cost, and quality. * Standards & Governance: Uphold coding, testing, and security standards across teams. * Innovation: Evaluate new technologies, modernise systems, and reduce technical debt.
NEW
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Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary: Negotiable, DoE, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a minimum of 5 years and have the right to work in the UK. About Us - Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens, and consumers. At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you're valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale pr
Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Salary: Negotiable, DoE, plus company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a minimum of 5 years and have the right to work in the UK. About Us - Triad Group Plc is an award-winning digital, data, and solutions consultancy with over 35 years' experience primarily serving the UK public sector and central government. We deliver high-quality solutions that make a real difference to users, citizens, and consumers. At Triad, collaboration thrives, knowledge is shared, and every voice matters. Our close-knit, supportive culture ensures you're valued from day one. Whether working with cutting-edge tech or shaping strategy for national-scale pr
NEW
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We're looking for a highly skilled Senior Full Stack Developer with strong experience in C# .NET and React to join our growing tech team. You'll play a key role in designing, building, and maintaining robust, scalable web applications, working across the full stack to deliver high-quality solutions that drive real value. This is a hybrid role with two days a week based in the office. * Design, develop, and maintain web applications using C# .NET (Core/Framework) and React. * Collaborate with cross-functional teams to define, design, and ship new features. * Write clean, scalable, and testable code. * Troubleshoot and debug applications. * Mentor junior developers and contribute to best practices. * 5+ years of experience as a Full Stack Developer. * Strong proficiency in C# .NET (Core) and React. * Solid understanding of REST APIs, SQL/NoSQL databases, and version con
We're looking for a highly skilled Senior Full Stack Developer with strong experience in C# .NET and React to join our growing tech team. You'll play a key role in designing, building, and maintaining robust, scalable web applications, working across the full stack to deliver high-quality solutions that drive real value. This is a hybrid role with two days a week based in the office. * Design, develop, and maintain web applications using C# .NET (Core/Framework) and React. * Collaborate with cross-functional teams to define, design, and ship new features. * Write clean, scalable, and testable code. * Troubleshoot and debug applications. * Mentor junior developers and contribute to best practices. * 5+ years of experience as a Full Stack Developer. * Strong proficiency in C# .NET (Core) and React. * Solid understanding of REST APIs, SQL/NoSQL databases, and version con
Checking and investigating any issues with files (API) flow to and from the connected systems
Checking and investigating any issues with files (API) flow to and from the connected systems
NEW
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
NEW
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
Experience developing and integrating with Azure Services (e.g. Azure Functions, App Services, Entra ID, Cosmos DB, API Management, Redis, App Configuration).
NEW
This remote role is open only to applicants living, with right to remain and work, in the United Kingdom, Netherlands or Germany. Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. This role will require you to work in a small but dynamic team tasked with working on our technology platform (RaceControl) that powers the way we handle online multiplayer racing on our games and simulations. Weve been creating a new way to interact with online racing to ensure multiplayer racing is delivered in a fun and engaging way.
This remote role is open only to applicants living, with right to remain and work, in the United Kingdom, Netherlands or Germany. Studio 397 and Motorsport Games are the video game developer and publishers of Le Mans Ultimate the Official Video Game of the FIA World Endurance Championship and 24 Hours of Le Mans available now on Steam. We also run the popular rFactor 2 simulation title and have created an online matchmaking and player management system for racing games called RaceControl. This role will require you to work in a small but dynamic team tasked with working on our technology platform (RaceControl) that powers the way we handle online multiplayer racing on our games and simulations. Weve been creating a new way to interact with online racing to ensure multiplayer racing is delivered in a fun and engaging way.
NEW
818 exact matches jobs are outside your preferred location
)
A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. * Axway's core products: Policy Studio, API Gateway, and API Manager. If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you.
A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. * Axway's core products: Policy Studio, API Gateway, and API Manager. If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you.
NEWFEATURED
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Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
London
market rates, outside IR35, 2 days on site
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
NEW
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Youll play a key role in running and evolving the banks Internal API Gateway platform a central service enabling secure, efficient, and scalable connectivity across the enterprise. * Act as a technical ambassador for our Internal API Gateway platform. * Join a small global SRE team managing the reliability and performance of the API platform. * Experience with Tyk API Gateway or similar API management platforms. * Work on a large-scale API ecosystem thats mission-critical to digital transformation.
Youll play a key role in running and evolving the banks Internal API Gateway platform a central service enabling secure, efficient, and scalable connectivity across the enterprise. * Act as a technical ambassador for our Internal API Gateway platform. * Join a small global SRE team managing the reliability and performance of the API platform. * Experience with Tyk API Gateway or similar API management platforms. * Work on a large-scale API ecosystem thats mission-critical to digital transformation.
)
QA Test Engineer Python API Automation
QA Test Engineer Python API Automation
Client Server
Milton, CB24
£40000 - £50000 per annum + bonus + benefits
You have API testing experience
You have API testing experience
NEWPREMIUM
As a C++ Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations.
As a C++ Developer you will focus on enabling the core product, written in C / C++ for Windows and Linux to run on Apple Mac software, using the latest Extensions, tools and API integrations.
NEWPREMIUM
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End to End QA Engineer, Test Analyst, API Tester
End to End QA Engineer, Test Analyst, API Tester
Experis UK
London
£50000 - £57000 per annum + Benefits
API Testing * Hands-on experience with API testing tools (e.g., Postman, SoapUI).
API Testing * Hands-on experience with API testing tools (e.g., Postman, SoapUI).
FEATURED
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Java / Camunda Engineer
Java / Camunda Engineer
Profile 29
SE1, South East London
From £35,000 to £65,000 per annum + hybrid working
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid
Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Profile 29 recruitment keywords: Java software engineer object-oriented design OOD Camunda BPMN DMN Spring Boot REST API microservice architecture Docker Kubernetes containerisation orchestration Git CI/CD pipelines automated testing frameworks Kafka RabbitMQ Security authentication integration patterns enterprise systems agile digital transformation automation Java developer Camunda developer Zeebe Cloud AWS Azure GCP Terraform Helm process automation agentic AI artificial intelligence security clearance SC DV eDV London home based hybrid
NEW
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Strong understanding of API testing, performance profiling, and security testing
Strong understanding of API testing, performance profiling, and security testing
Related Jobs
Locations
- Southwark
- The City, City (EC3)
- The City, City (EC4)
- Birmingham Business Park
- Charing Cross
- Datchet Common
- Euston
- Milton
- The City, City (EC2)
- Victoria
- City of London
- Reading
- South East London
- Birmingham
- Cambridge
- South West London
- Central London
- West End
- Northampton
- Milton Keynes
- London
- Berkshire
- West Midlands
- Cambridgeshire
- Oxfordshire
- Northamptonshire
- Buckinghamshire
- Hertfordshire
- Surrey
- Warwickshire
- South East
- Midlands
- East Anglia
- East Midlands
- South West