151 to 175 of 388 API Development Jobs in England

formation and compliance. Today, forming and maintaining cross-border entities is slow, opaque, fragmented, and expensive. Our mission is to abstract away this complexity with a unified dashboard and API suite — becoming the invisible infrastructure layer that powers fintechs, SaaS platforms, DAOs, funds, law firms, and global professionals. We bring deep domain expertise to the table: our team also … experienced investors and operators, we’re combining sector knowledge with strong financial support to build the “Stripe for incorporation. Role - As Founding Tech Lead , you will: Own the architecture, development, and delivery of our MVP dashboard and APIs. Lead technical decisions (stack, architecture, integrations) with a pragmatic, execution-first approach. Work closely with the founders, sales, and operations team … team). Ensure security, compliance, and reliability from day one (data protection, KYC standards). Responsibilities Product Build: Deliver Stage 1 MVP (dashboard for incorporations) quickly, iterating with users. API Development: Architect Stage 2 incorporation API and ensure it can scale across jurisdictions. Technical Leadership: Make key build vs buy calls, establish coding standards, CI/CD More ❯

formation and compliance. Today, forming and maintaining cross-border entities is slow, opaque, fragmented, and expensive. Our mission is to abstract away this complexity with a unified dashboard and API suite — becoming the invisible infrastructure layer that powers fintechs, SaaS platforms, DAOs, funds, law firms, and global professionals. We bring deep domain expertise to the table: our team also … experienced investors and operators, we’re combining sector knowledge with strong financial support to build the “Stripe for incorporation. Role - As Founding Tech Lead , you will: Own the architecture, development, and delivery of our MVP dashboard and APIs. Lead technical decisions (stack, architecture, integrations) with a pragmatic, execution-first approach. Work closely with the founders, sales, and operations team … team). Ensure security, compliance, and reliability from day one (data protection, KYC standards). Responsibilities Product Build: Deliver Stage 1 MVP (dashboard for incorporations) quickly, iterating with users. API Development: Architect Stage 2 incorporation API and ensure it can scale across jurisdictions. Technical Leadership: Make key build vs buy calls, establish coding standards, CI/CD More ❯

formation and compliance. Today, forming and maintaining cross-border entities is slow, opaque, fragmented, and expensive. Our mission is to abstract away this complexity with a unified dashboard and API suite — becoming the invisible infrastructure layer that powers fintechs, SaaS platforms, DAOs, funds, law firms, and global professionals. We bring deep domain expertise to the table: our team also … experienced investors and operators, we’re combining sector knowledge with strong financial support to build the “Stripe for incorporation. Role - As Founding Tech Lead , you will: Own the architecture, development, and delivery of our MVP dashboard and APIs. Lead technical decisions (stack, architecture, integrations) with a pragmatic, execution-first approach. Work closely with the founders, sales, and operations team … team). Ensure security, compliance, and reliability from day one (data protection, KYC standards). Responsibilities Product Build: Deliver Stage 1 MVP (dashboard for incorporations) quickly, iterating with users. API Development: Architect Stage 2 incorporation API and ensure it can scale across jurisdictions. Technical Leadership: Make key build vs buy calls, establish coding standards, CI/CD More ❯

Manchester (3 days per week in office, Tuesday–Thursday), the successful candidate will be responsible for designing, developing, and maintaining modern cloud-based systems. You will work across backend development, DevOps, and infrastructure as code, collaborating closely with global teams in Australia, the U.S., and locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend … requirements into technical solutions in collaboration with Product Owners. DevOps/Cloud Operations (40%) Work with AWS to manage, optimise, and secure cloud infrastructure. Deploy and maintain services across development, testing, and production environments. Detect and prevent security threats, including account takeover attempts. Drive continuous improvement in technical standards, tools, and processes. Infrastructure as Code (10%) Deploy and manage … architects and global teams to implement reusable and maintainable infrastructure components. Required Qualifications: Strong expertise in cloud computing and services (AWS experience preferred). Proficiency in TypeScript and REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills More ❯

culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure API development Strong DevOps mindset with CI/CD, observability, and automation skills Proficiency in SQL and NoSQL (CosmosDB a plus) Excellent communication and leadership skills If you want More ❯

culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure API development Strong DevOps mindset with CI/CD, observability, and automation skills Proficiency in SQL and NoSQL (CosmosDB a plus) Excellent communication and leadership skills If you want More ❯

culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure API development Strong DevOps mindset with CI/CD, observability, and automation skills Proficiency in SQL and NoSQL (CosmosDB a plus) Excellent communication and leadership skills If you want More ❯

culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure API development Strong DevOps mindset with CI/CD, observability, and automation skills Proficiency in SQL and NoSQL (CosmosDB a plus) Excellent communication and leadership skills If you want More ❯

culture What experience you’ll bring: 5+ years building complex backend systems Deep expertise in C#, .NET, and cloud platforms (Azure preferred) Experience with microservices, serverless architecture, and secure API development Strong DevOps mindset with CI/CD, observability, and automation skills Proficiency in SQL and NoSQL (CosmosDB a plus) Excellent communication and leadership skills If you want More ❯

with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are … As a Senior C# Developer/Software Engineer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Senior C# Developer/Software Engineer (C# .Net) opportunity. More ❯

Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations (Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end … outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team ship high-quality code faster using AI tools Work closely with cross … functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations (APIs, SFTP, SharePoint, webhooks) Hands More ❯

Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations (Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end … outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team ship high-quality code faster using AI tools Work closely with cross … functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations (APIs, SFTP, SharePoint, webhooks) Hands More ❯

Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations (Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end … outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team ship high-quality code faster using AI tools Work closely with cross … functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations (APIs, SFTP, SharePoint, webhooks) Hands More ❯

Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations (Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end … outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team ship high-quality code faster using AI tools Work closely with cross … functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations (APIs, SFTP, SharePoint, webhooks) Hands More ❯

Work with automation-generated code and make it production-ready Build robust backend services using Python APIs and data workflows Create seamless integrations with external systems Champion AI-assisted development practices across the engineering team What You'll Do: Own backend features and API integrations (Python, FastAPI, gRPC, SQL) Adapt and extend auto-generated pipelines and front-end … outputs Build connectors for APIs, files, and external systems Integrate LLM-based capabilities with robust evaluation and monitoring Champion AI-assisted development practices and tools Set up guardrails and context packs for AI-powered workflows Mentor team members on AI development best practices Help the team ship high-quality code faster using AI tools Work closely with cross … functional teams including Solution Strategists, Data Platform, and Support teams Contribute to architectural decisions and technical strategy What We're Looking For: Strong Python backend/API development experience Solid SQL and data modeling capabilities A solid background within start-ups and able to work on multiple projects similtaneously Proven experience with integrations (APIs, SFTP, SharePoint, webhooks) Hands More ❯

of the leading SasS company with a presence in the UK and Europe? The Company A market leading SaaS company with a UK and European presence. They have a development team of 15 and are continuing to grow over the next 12 – 18 months. They’re a close knit team and work from the office in central London … and finish earlier, whatever you feel makes you most productive. Responsibilities Play apart in creating and implementing ideas from the beginning Collaborate with other teams to communicate and translate development plans and implement a clear road map and timeframes Increase productivity across the team Ensure best practices are adhered to Take ownership of end to end development of … features and fixing code Have an input in regular code reviews Pair with colleagues to share your knowledge Requirements 5+ years of commercial development experience Strong background in JavaScript Experience with Vue.js or React Knowledge of API development Experience with containerisation – Docker or Kubernetes Knowledge of system design and Architecture Understanding of AWS or other cloud based More ❯

of the leading SasS company with a presence in the UK and Europe? The Company A market leading SaaS company with a UK and European presence. They have a development team of 15 and are continuing to grow over the next 12 – 18 months. They’re a close knit team and work from the office in central London … and finish earlier, whatever you feel makes you most productive. Responsibilities Play apart in creating and implementing ideas from the beginning Collaborate with other teams to communicate and translate development plans and implement a clear road map and timeframes Increase productivity across the team Ensure best practices are adhered to Take ownership of end to end development of … features and fixing code Have an input in regular code reviews Pair with colleagues to share your knowledge Requirements 5+ years of commercial development experience Strong background in JavaScript Experience with Vue.js or React Knowledge of API development Experience with containerisation – Docker or Kubernetes Knowledge of system design and Architecture Understanding of AWS or other cloud based More ❯

of the leading SasS company with a presence in the UK and Europe? The Company A market leading SaaS company with a UK and European presence. They have a development team of 15 and are continuing to grow over the next 12 – 18 months. They’re a close knit team and work from the office in central London … and finish earlier, whatever you feel makes you most productive. Responsibilities Play apart in creating and implementing ideas from the beginning Collaborate with other teams to communicate and translate development plans and implement a clear road map and timeframes Increase productivity across the team Ensure best practices are adhered to Take ownership of end to end development of … features and fixing code Have an input in regular code reviews Pair with colleagues to share your knowledge Requirements 5+ years of commercial development experience Strong background in JavaScript Experience with Vue.js or React Knowledge of API development Experience with containerisation – Docker or Kubernetes Knowledge of system design and Architecture Understanding of AWS or other cloud based More ❯

of the leading SasS company with a presence in the UK and Europe? The Company A market leading SaaS company with a UK and European presence. They have a development team of 15 and are continuing to grow over the next 12 18 months. They re a close knit team and work from the office in central London … and finish earlier, whatever you feel makes you most productive. Responsibilities Play apart in creating and implementing ideas from the beginning Collaborate with other teams to communicate and translate development plans and implement a clear road map and timeframes Increase productivity across the team Ensure best practices are adhered to Take ownership of end to end development of … features and fixing code Have an input in regular code reviews Pair with colleagues to share your knowledge Requirements 5+ years of commercial development experience Strong background in JavaScript Experience with Vue.js or React Knowledge of API development Experience with containerisation Docker or Kubernetes Knowledge of system design and Architecture Understanding of AWS or other cloud based More ❯

days in the office you must be based locally) c£60,000 per year Pension, Bonus, Life Insurance, Healthcare, etc. Skills and Experience: Extensive experience with web application and API development at a senior level Must be able to mentor more junior members of the team in the absence of the Technical Lead Expert understanding of microservice architecture … scalable and performant solutions Design and develop front end code with a focus on security, accessibility and delivering a great user experience Provide input on key technology, architectural and development decisions The Opportunity: In this role you will have a hands-on role at all stages of the software lifecycle, giving input on planning and solution design, alongside coding … systems to a high standard of security, scalability and performance. The successful candidate will have demonstrable experience working at a senior level across the full stack within a web development team, with a keen attention to detail and strong problem-solving skills. Please note this role will not be fully remote and there is no flexibility on the x2 More ❯

days in the office you must be based locally) c£60,000 per year Pension, Bonus, Life Insurance, Healthcare, etc. Skills and Experience: Extensive experience with web application and API development at a senior level Must be able to mentor more junior members of the team in the absence of the Technical Lead Expert understanding of microservice architecture … scalable and performant solutions Design and develop front end code with a focus on security, accessibility and delivering a great user experience Provide input on key technology, architectural and development decisions The Opportunity: In this role you will have a hands-on role at all stages of the software lifecycle, giving input on planning and solution design, alongside coding … systems to a high standard of security, scalability and performance. The successful candidate will have demonstrable experience working at a senior level across the full stack within a web development team, with a keen attention to detail and strong problem-solving skills. Please note this role will not be fully remote and there is no flexibility on the x2 More ❯

smart, scalable software solutions. As part of continued investment in their technology function, they're now looking for an experienced C#/.NET Developer to join a friendly, collaborative development team based in Crewe. The Role You'll play a key role in designing, developing, and maintaining modern applications and APIs used by customers around the world. Working within … ownership of your work while contributing to a wider team effort. You'll ideally have: 2-4 years' commercial experience with C# and .NET Core Strong understanding of Web API development Experience with relational databases and ORM tools (e.g. Entity Framework, Linq2DB) Familiarity with CI/CD pipelines, Agile delivery, and Git Exposure to Docker and cloud environments … scale applications Hybrid working model (3 days in office, 2 remote) Supportive, inclusive, and innovation-focused culture Competitive salary with performance bonus and comprehensive benefits Real opportunities for personal development and progression This is a great opportunity for a C#/.NET Developer looking to join a forward-thinking, growing technology business where you can make a tangible impact More ❯

smart, scalable software solutions. As part of continued investment in their technology function, they're now looking for an experienced C#/.NET Developer to join a friendly, collaborative development team based in Crewe. The Role You'll play a key role in designing, developing, and maintaining modern applications and APIs used by customers around the world. Working within … ownership of your work while contributing to a wider team effort. You'll ideally have: 2-4 years' commercial experience with C# and .NET Core Strong understanding of Web API development Experience with relational databases and ORM tools (e.g. Entity Framework, Linq2DB) Familiarity with CI/CD pipelines, Agile delivery, and Git Exposure to Docker and cloud environments … scale applications Hybrid working model (3 days in office, 2 remote) Supportive, inclusive, and innovation-focused culture Competitive salary with performance bonus and comprehensive benefits Real opportunities for personal development and progression This is a great opportunity for a C#/.NET Developer looking to join a forward-thinking, growing technology business where you can make a tangible impact More ❯

ABOUT THE ROLE Work with the team on development and management of applications focused on forecasting, ordering, production, staff planning, transport and online. A hands-on role to deliver applications working with other staff and partners. Collaborate with cross-functional teams to design, develop, and implement scalable and reliable cloud applications. Utilize data science and analytics to enhance application … s degree in Computer Science, Analytics, Engineering, or a related field. Minimum of 1+ years of experience in coding with Python and React.js. Knowledge of databases (SQL & NoSQL) and API development/integration. Familiarity with enterprise architecture design and delivery (Azure, GitHub, etc). Proven experience in building cloud applications using Microsoft Azure/cloud. Strong interest in … days holiday + Bank holiday Pension Scheme Discounts and Savings from high-street retailers and restaurants 24 hour GP service Cycle to work scheme Twice yearly pay review Development programmes for you to RISE with GAIL's More ❯

BPSS to start; active SC required due to timescale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Ruby development (primary focus), Python experience desirable Experience across multiple services, particularly data services Docker, Kubernetes, Git/version control API development and integration Agile working practices and adherence … to technical standards Approach: Pride in producing high-quality, well-documented code Ownership of the full development process Collaborative working with user-centered design (UCD) teams Thrives in small, agile, multi-disciplinary teams Key Responsibilities: Develop Ruby-based applications and data services Build and maintain APIs and open data platforms Ensure code is high-quality and well-documented Work … For: Senior Ruby developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams Desirable Skills: Python development Experience in public sector or government projects Knowledge of search technologies and open data platforms Active SC clearance More ❯