1 to 25 of 52 API Development Jobs in the UK excluding London

Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Senior Backend Software Engineer/Platform Engineer (API & Cloud) for a 6 Month contract based in Edinburgh or London. The Role & Responsibilities: The Backend Engineer will be responsible for designing, building … operating secure, scalable APIs and backend services in cloud native environments. The role centres on API development using modern API gateways on AWS or GCP, applying API standards, DevSecOps, and industry best practices, and delivering solutions within SCRUM agile ways of working. Design, develop, and maintain ...

Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Senior Backend Software Engineer/Platform Engineer (API & Cloud) for a 6 Month contract based in Edinburgh or London. The Role & Responsibilities: The Backend Engineer will be responsible for designing, building … operating secure, scalable APIs and backend services in cloud native environments. The role centres on API development using modern API gateways on AWS or GCP, applying API standards, DevSecOps, and industry best practices, and delivering solutions within SCRUM agile ways of working. Design, develop, and maintain ...

Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Senior Backend Software Engineer/Platform Engineer (API & Cloud) for a 6 Month contract based in Edinburgh or London. The Role & Responsibilities: The Backend Engineer will be responsible for designing, building … operating secure, scalable APIs and backend services in cloud native environments. The role centres on API development using modern API gateways on AWS or GCP, applying API standards, DevSecOps, and industry best practices, and delivering solutions within SCRUM agile ways of working. Design, develop, and maintain ...

Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Senior Backend Software Engineer/Platform Engineer (API & Cloud) for a 6 Month contract based in Edinburgh or London. The Role & Responsibilities: The Backend Engineer will be responsible for designing, building … operating secure, scalable APIs and backend services in cloud native environments. The role centres on API development using modern API gateways on AWS or GCP, applying API standards, DevSecOps, and industry best practices, and delivering solutions within SCRUM agile ways of working. Design, develop, and maintain ...

looking for a Technical Product Manager to join the API team, driving the product direction. This is a highly technical role, the ideal candidate will have worked in a technical role previously moving in to Product or have a passion for development and understand the structure of API … current and future customer needs (including readiness for AI agents and LLM-based consumption). Key to the role will be working with the API Architect and development team to ensure we are building the right thing at the right time. You will work closely with engineering, product ...

Implementation Project Manager to design, develop and operate a SQL-based data ingestion and migration platform used to onboard new clients. Supporting the ongoing development of a core data platform that underpins business operations and client delivery. Developing and supporting SQL scripts, including performance optimisation, review and enhancement. Providing … service desk support for data-related issues, ensuring timely investigation and resolution. Optionally contributing to API development to support data integrations across systems and clients. Read and comply with the company’s Health and Safety Policy; taking reasonable care for the Health and Safety of themselves and others ...

Required Skills: Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in API development , SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next … microservices . Skills Require: Experience in Kotlin (or Java with willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML/Javascript Lots of experience of working with microservices Strong technical and analytical troubleshooting skills Experience in working ...

lead projects, mentor junior developers, and work on high-impact, secure banking solutions. You will be a key contributor to web portal and API development, ensuring performance, security, and reliability in a dynamic environment. This role is ideal for developers with strong technical expertise who are looking … portals using ASP.NET MVC/.NET Core Design and integrate REST APIs with internal and third-party services Implement secure authentication mechanisms (JWT, OAuth2, API Keys) Connect applications to relational databases using Entity Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database ...

end. The individual will also ideally have additional AI skills with Cursor or a similar coding agent. You will lead both backend and frontend development, collaborate with Product Owners and stakeholders, and play a key role in driving the long-term technical vision of our platforms. … joining an organisation where your work has visible impact, your ideas are valued, and innovation is encouraged. Key Responsibilities: Platform Development and Technical Leadership Lead the ongoing development and enhancement of multiple Laravel-based platforms Shape and maintain the long-term technical roadmap Translate business and user requirements ...

engineering practices, integrate AI models and agent patterns, and contribute to the evolution of our cloud-native services. You will already have strong software development experience and have a desire to grow deeper into engineering, while maintaining strong software craftsmanship and delivery discipline. As we move toward … ecosystem. You will help implement AI capabilities, support cloud-native services, and strengthen the squad’s engineering excellence as we scale. Key Responsibilities Software Development & Delivery: Design, build, test, and maintain high-quality software components and services across backend, frontend, or full-stack environments. Utilise AI Accelerated development ...

someone who enjoys practical engineering, collaborative problem-solving, and delivering maintainable solutions in a fast-moving environment. What You’ll Be Doing Software Development Contribute to the development and maintenance of .NET applications and services Build APIs, integrations, and backend functionality across a variety of projects Write clean … breaking down work into clear deliverables Support predictable and high-quality delivery outcomes Participate in Agile ceremonies, planning, and technical discussions Help maintain development standards, processes, and best practices Engineering Quality Contribute to CI/CD pipelines, automated testing, and DevOps practices Participate in code reviews and collaborative engineering ...

Insurance UK team brings new technologies and insights to the US market with a focus on data science and machine learning, data analytics, platform development, and project management to augment Frontline Insurance's operations and competitiveness in the US Insurance Industry. The Role As a Senior Software Engineer … platforms. This position requires a balanced mix of hands-on engineering, problem-solving, and technical leadership. You will be responsible for driving new feature development, resolving bugs and technical issues, and contributing to the architectural decisions that shape our applications. You should be comfortable working both independently and collaboratively ...

role will take the lead on building a Windows-based desktop application, supported by a cloud synchronisation layer. You will be responsible for the development of the platform, from structure and architecture through to delivery and ongoing improvements. You’ll work across both the desktop application and supporting cloud … group, who can provide technical guidance where needed. What You’ll Be Doing Build and integrate APIs for cloud synchronisation using ASP.NET Core Support development of cloud infrastructure for data sync, user management and permissions Implement secure authentication and role-based access control Contribute to system architecture and technical ...

Engineers Build strong customer relationships through direct engagement. Contribute to and help prepare technical proposals and bids. Assist the customer account team in business development efforts. Collaborate with delivery management to identify risks, plan deliveries, and support resource allocation. What You Bring: Proven experience leading teams in Agile, customer … facing software projects. Experience with one or more of the following: Full-stack web development Software as a Service (SaaS) Mobile application development API design and development Cloud platforms (AWS, Azure, GCP) Front-end development and user experience (UX) Clearance required - Due to the nature ...

Engineers Build strong customer relationships through direct engagement. Contribute to and help prepare technical proposals and bids. Assist the customer account team in business development efforts. Collaborate with delivery management to identify risks, plan deliveries, and support resource allocation. What You Bring: Proven experience leading teams in Agile, customer … facing software projects. Experience with one or more of the following: Full-stack web development Software as a Service (SaaS) Mobile application development API design and development Cloud platforms (AWS, Azure, GCP) Front-end development and user experience (UX) Clearance required - Due to the nature ...

frontend focus to help build our next generation healthcare platform. This role is ideal for someone with around 2–4 years of commercial development experience who enjoys building user interfaces, wants to grow their React and React Native skills, and is interested in becoming a well-rounded full stack … learn while helping deliver software used in real healthcare programmes. What You’ll Work On Build web application features using React Support mobile application development using React Native Turn Figma designs, user flows and acceptance criteria into working application features Implement screens, forms, validation behaviours, state handling and API ...

Location: Manchester Department: IT About the Role A clinical trials organisation is seeking a Full Stack Developer to support the design, development, and maintenance of secure, high-quality software solutions. The successful candidate will work across the full development lifecycle in a regulated environment, ensuring all work … support APIs and related integrations Work within a regulated clinical trials environment, following SOPs and applicable compliance requirements Contribute to secure software design, development, testing, and deployment Maintain and improve CI/CD pipelines and deployment processes, including Jenkins Support observability and monitoring practices using Open Telemetry, Loki ...

promptly Experience with Copilot, Copilot Studio, and Agents Strong knowledge of Exchange Online Strong understanding of the Microsoft 365 tenant platform Experience with Graph API and API development Experience with Entra backup solutions, including Rubrik Ability to identify risk mitigation opportunities and develop new policies and procedures ...

team Actively contribute within an Agile/SCRUM environment Essential Skills & Experience Strong TypeScript & Node.js skills Strong experience with React Proven experience in API development AWS Experience Experience building single-page applications (SPA) and applying progressive enhancement principles Strong CSS knowledge Strong understanding of secure coding practices Experience … working with SQL databases such as PostgreSQL Familiarity with test-driven development (TDD) Experience working within a cross-functional product development team Benefits Flexible working hours 25 days holiday + bank holidays Pension scheme New tech provided Senior Software Engineer (Full Stack) | Manchester, Hybrid ...

deployment, ensuring we meet the evolving needs of our customers with innovative, reliable software. Required Skills: Strong experience in C# and .Net Core development Proficiency with Web API design and development Solid understanding of REST principles and SOLID design patterns Hands-on experience with Docker, Kubernetes …/SCRUM methodologies, CI/CD, and DevOps practices Good communication skills and a collaborative team mindset Nice to Have Skills: Experience with Web API integrations and microservices architecture Knowledge of Kubernetes and container orchestration AWS or Azure certifications or experience Familiarity with WebSocket or real-time data streaming ...

Clearance - current and active SC Cleared already is strongly preferred Role Description The Integration Lead is responsible for leading the technical design, development, and delivery of secure, scalable, and reusable foundational technology services within the Secure Digital Platform. The Integration Lead partners with Delivery Leads, product owners and architects … delivered solutions align with solution designs and security guardrails. Guide teams in the selection and use of modern tools, frameworks, and platforms that optimise development efficiency and operational effectiveness for delivery. Support the development and evolution of the Secure Digital Platform roadmap by identifying technical dependencies, enablers ...

Azure CLI used regularly for automation, operational tasks, and reducing manual intervention. Azure Integration Services: proficient in Logic Apps, Service Bus, Event Grid, and API Management for integration design and implementation. API Development: solid experience with SOAP and REST APIs, including design, development, and secure management. … Summer event and 4 sponsored weekends a year. If you’re an Azure Cloud Engineer looking for a career defining opportunity with progression and development, then please drop Lee at MARS an application. MARS Recruitment is an equal opportunities employer and positively welcomes applications from suitably qualified applicants regardless ...

Azure CLI used regularly for automation, operational tasks, and reducing manual intervention. Azure Integration Services: proficient in Logic Apps, Service Bus, Event Grid, and API Management for integration design and implementation. API Development: solid experience with SOAP and REST APIs, including design, development, and secure management. … Summer event and 4 sponsored weekends a year. If you’re an Azure Cloud Engineer looking for a career defining opportunity with progression and development, then please drop Lee at MARS an application. MARS Recruitment is an equal opportunities employer and positively welcomes applications from suitably qualified applicants regardless ...

Full-Stack Software Engineer (React & ASP.NET/C#) We're looking for a Full-Stack Software Engineer to join a growing development team building modern, business-critical web applications. This role suits someone who enjoys working across the full stack and takes pride in owning features from initial concept … through to deployment. You'll be involved in both front-end and back-end development, working closely with other engineers, product owners, and stakeholders to deliver clean, scalable, and user-focused solutions. What you'll be doing Designing and building front-end web applications using React Developing and maintaining ...

high-availability, data-intensive applications Collaborate with engineering, data, and business teams Required Experience Strong Python experience (Django, Flask or FastAPI) Proven backend/API development experience Experience within banking or financial services Exposure to cloud (AWS/Azure/GCP) and modern engineering practices Nice To Have ...