1 to 25 of 70 API Development Jobs in England

services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking.On behalf of this organisation, AMS are looking for an API Backend Engineer (MCP) for a 6 Months contract based in Edinburgh or London (Hybrid). Purpose of the Role: As API Backend Engineer … will be responsible for designing, building, and 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 ...

though also like the idea of the equally important social/client-facing aspect of the role. The role is responsible for defining the development architecture across a blend of in-house bespoke solutions and 3rdparty products and helping to shape the longer-term strategic development architecture … developing architecture strategy and target architecture model. You will be working closely with delivery team members to coach and promote best-practice solution development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority ...

environment, you'll collaborate closely with the wider Delivery team to design, build and maintain high-quality software solutions. You'll contribute throughout the development lifecycle, from shaping technical solutions and planning through to implementation, testing, deployment and ongoing improvement. You will work across a modern Microsoft technology stack … services while helping to influence how we design, develop, and deliver our products. We encourage developers to explore new technologies, including AI-assisted development tools and automation, where they can deliver genuine value for our customers and teams. Key Responsibilities Working under the guidance of the Team Leader ...

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 ...

within an agile delivery team, building and enhancing modern, cloud-native applications used by thousands of end users. This role requires strong full-stack development expertise across .NET, Vue.js and Azure, alongside previous experience delivering solutions within Government, NHS, or wider public sector environments. Key Responsibilities Design, develop … security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure ...

within an agile delivery team, building and enhancing modern, cloud-native applications used by thousands of end users. This role requires strong full-stack development expertise across .NET, Vue.js and Azure, alongside previous experience delivering solutions within Government, NHS, or wider public sector environments. Key Responsibilities Design, develop … security, performance and compliance standards Essential Skills & Experience Strong commercial experience with: C#/.NET Core/.NET 6+ Vue.js JavaScript/TypeScript REST API development and integration SQL Server and relational databases Hands-on experience with Microsoft Azure, including services such as: App Services Azure Functions Azure ...

Overview Provide technical leadership across development teams to ensure the design and delivery of high-quality, scalable, and maintainable software solutions. The role combines hands-on development expertise with leadership responsibilities, translating business requirements into robust technical solutions while driving engineering excellence, delivery consistency, and collaboration across onshore … offshore teams. Responsibilities Technical Leadership & Solution Delivery Lead the design and development of key features, components, and services across the application stack Provide hands-on guidance in building scalable applications using React, Node.js, and TypeScript Own critical technical decisions, ensuring alignment with architectural standards and long-term scalability goals ...

deployment and contribute to technical decision-making. The Role Working across a range of applications and services, you'll contribute to both new product development and the ongoing evolution of existing platforms. Responsibilities include: Building new features and functionality Developing and maintaining APIs Working across backend and frontend systems … engineers who have experience developing commercial web applications and enjoy solving technical challenges across a varied technology environment. You'll ideally have: Commercial software development experience Strong Python development skills Experience building and maintaining web applications API development experience Experience working with Git and collaborative development ...

working within embedded Linux environments, supporting build and release processes, contributing to automated testing, and helping improve how software moves from development into production. You'll work closely with colleagues developing hardware platforms and AI-driven algorithms, helping bring new capabilities into products that are already deployed in demanding … Linux environments and be comfortable owning technical work from concept through to delivery. We're particularly interested in people with experience of: Modern C++ development within Linux-based systems Embedded Linux environments, ideally involving Yocto or Buildroot Python for scripting, automation, tooling or API-related development CMake ...

deployment and contribute to technical decision-making. The Role Working across a range of applications and services, you'll contribute to both new product development and the ongoing evolution of existing platforms. Responsibilities include: Building new features and functionality Developing and maintaining APIs Working across backend and frontend systems … engineers who have experience developing commercial web applications and enjoy solving technical challenges across a varied technology environment. You'll ideally have: Commercial software development experience Strong Python development skills Experience building and maintaining web applications API development experience Experience working with Git and collaborative development ...

looking for an experienced Mid-Level Full Stack Developer to join our engineering team and play a significant role in the design, development, and delivery of our products. This role is ideal for someone at the upper end of mid-level, with strong commercial experience across both frontend … backend development who is ready to take real ownership of their work. You will deliver features end to end with minimal supervision, contribute to technical and design decisions, and help raise standards across the team. The role combines hands-on development with a growing influence ...

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 ...

issues and claims through a single, customer-focused solution. The team is now growing and looking for another developer to contribute to both new development and the continued improvement of existing services. Software Developer Backend/Full-Stack Southampton, Hampshire - Hybrid, 2-3 days per week in the office … also be scope to work across the full stack for someone who wants broader exposure. The team is also actively exploring how AI-assisted development and agentic systems can improve the way software is built and delivered. You do not need to be an AI tooling expert ...

environment, you'll collaborate closely with the wider Delivery team to design, build and maintain high-quality software solutions. You'll contribute throughout the development lifecycle, from shaping technical solutions and planning through to implementation, testing, deployment and ongoing improvement. You will work across a modern Microsoft technology stack … design, develop, and deliver our products. You will be supported by experienced colleagues and encouraged to explore new technologies, including AI-assisted development tools and automation, where they can deliver genuine value for our customers and teams. Key Responsibilities Working under the guidance of the Team Leader and other ...

Document all solutions, as well as driving architectural decisions within the team. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships both within the team and across HL as a whole. Actively participating in working groups and communities of practice … designed to support the development team. Providing engineering support for existing applications when necessary. Proactively coaching & mentoring to peers. Comfortable engaging with external stakeholders, such as security, enterprise architecture and downstream consumers of your team's services. Evangelise best practices and assist the team in avoiding anti-patterns. Experience ...

support the end‐to‐end integration of multiple global functions within the bank including Finance, Risk, and Controllers. What you’ll do Software Development: Design, develop, test, and deploy high‐quality, scalable, and maintainable code. Quality Advocacy: Promote best practices for engineering excellence in coding, testing, build, deployment … technical solutions, adhering to best‐in‐class engineering principles and practices. Collaboration: Partner with the Scrum Master, Product Owner, QA, Architects, and other global development team members on a day‐to‐day basis to successfully deliver technical solutions and reusable components. Please note day‐to‐day collaboration. Learning Mindset ...

Product Catalogue, CRM (Salesforce), Billing, Service Orchestration, Inventory, Service Assurance - understanding data models, system processes and integration patterns at implementation level - Integration architecture: microservices, API gateways, event-driven architectures, event brokers (Kafka), queues - handling 120+ integration points across systems and legacy stacks - Lead-to-Cash (L2C) and Order … Cash (O2C) solutions in Tier-1 telecom operator environments - TMF standards: Product Ordering (TMF641), Service Ordering, Service Activation, Service Inventory (TMF638) API Development & Integration - Strong expertise in API lifecycle design using OpenAPI specifications (OAS) - can read and write API specs - Hands-on with TMF/ ...

ifndautoparts is a family-owned and founder-led company. We operate with a lean, highly collaborative structure and work closely with specialist contractors and development partners to deliver projects and scale the platform. As we expand our business seller network, we are looking for an experienced Senior Integration Engineer … helping business sellers connect and synchronise their inventory with the ifndautoparts marketplace. You will work directly with the founders, onboarding team, and external development partners to help shape the future of seller integrations across the platform. The Role As our Senior Integration Engineer, you will be responsible for designing ...

technical strategy Work within a senior, AI-first engineering environment KEY POINTS Senior technical leadership role with significant architectural ownership Leading the design and development of a modern platform rebuild Strong focus on Node.js, TypeScript, React and cloud technologies Opportunity to shape engineering standards, architecture and AI adoption ABOUT … technologies and cloud infrastructure. Working closely with Product teams, stakeholders and fellow engineers, you'll help establish engineering standards, drive adoption of AI-assisted development practices and provide technical mentorship across the team. The organisation has embraced an AI-first approach to software engineering, making extensive use of modern ...

building scalable, production-ready applications across both the frontend and backend. Working within a collaborative engineering team, you will help shape software architecture, development standards, testing practices and long-term product direction. Whilst some projects involve sophisticated physical systems and devices, prior experience with hardware-integrated software environments … commercial experience in full-stack software engineering Strong JavaScript and TypeScript experience Experience building scalable backend systems using Node.js, NestJS or similar frameworks Frontend development experience using Angular or similar modern frontend frameworks Experience designing and developing RESTful APIs Experience working within Linux-based environments Strong understanding of software ...

working on backend services hosted in Azure. The role focuses on building and supporting Java applications and APIs, using VS Code as a primary development environment. You'll work closely with other engineers across backend, frontend, and DevOps, contributing to cloud-based systems. About the role Java backend development … with frontend, QA and DevOps teams Participate in code reviews and technical discussions Required skills Strong commercial Java experience Spring/Spring Boot REST API development Azure experience (App Services, AKS, or similar) VS Code for day-to-day development Git and version control Experience with relational ...

designing and developing high-quality software while collaborating closely with product, design, and engineering teams. The successful candidate will have strong full-stack development experience and ideally a background working with communication platforms such as Twilio. This role is based in Central Manchester 4 days a week … Developer role. Strong proficiency in JavaScript/TypeScript, Node.js, and React. Experience building and maintaining real-time, event-driven applications. Solid understanding of RESTful API development and microservices architecture. Hands-on experience with AWS serverless technologies, including Lambda, DynamoDB, and API Gateway. Experience working with CI/ ...

product from the ground up. This is an opportunity to work on a genuinely interesting product where you'll have ownership across the entire development lifecycle, helping shape both the user experience and the underlying platform architecture. The Opportunity: We're looking for a Full-Stack Developer with strong … ease. As a Full-Stack Developer, you'll contribute across the full technology stack, from creating intuitive React interfaces and workflow builders through to API development, database design and security-focused architecture. What You'll Be Doing: Building and enhancing full-stack features using Next.js, React and TypeScript ...

supporting a major NHS digital transformation programme and are looking for three experienced Full Stack .NET Developers. You'll be working on the development and enhancement of critical healthcare applications, helping deliver scalable, secure, cloud-native solutions that directly support NHS services and patient outcomes. This is an excellent …/CD pipelines and modern DevOps practices Essential Skills & Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience CI/CD pipelines Infrastructure and deployment ...

JavaScript The Role As a motivated Junior Software Developer, you'll join a collaborative engineering team working on core business platforms and new product development initiatives. You'll gain exposure to the full software development lifecycle, working alongside experienced developers to build, maintain, and improve scalable applications. Requirements … Computer Science degree or equivalent commercial experience Exposure to software development through university projects, commercial work, or personal projects PHP and MVC framework experience (Laravel preferred) HTML, CSS, JavaScript, and SQL Object-Oriented Programming (OOP) Git/Version Control Ability to write clean, maintainable, and organised code Strong communication ...