51 to 75 of 119 API Design Jobs in England

Full Stack (Backend) Engineer who thrives on building clean, scalable systems quickly. You’ll play a key role in shaping our backend architecture—from API design and data pipelines to job processing and observability. What You’ll Do Design and build robust backend systems Architect scalable infrastructure … processing, analytics, and event tracking Build internal tooling for rate limiting, quotas, and authentication Design, develop, and maintain APIs and backend services Collaborate closely with product, design, and CX to deliver exceptional features Optimize for performance, security, and scalability Write clean, maintainable, efficient code Stay current with emerging ...

Stack Developer - Remote - Competitive Salary I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This is an excellent opportunity for an experienced full-stack engineer … maintaining unit and frontend tests (NUnit and ViTest) Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Ensuring all development aligns with OWASP security best practices Tech Stack & Environment Core technologies: .NET 10/ASP.NET Core Angular 21 (mandatory) DevExpress ...

Stack Developer - Remote - Competitive Salary I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This is an excellent opportunity for an experienced full-stack engineer … maintaining unit and frontend tests (NUnit and ViTest) Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Ensuring all development aligns with OWASP security best practices Tech Stack & Environment Core technologies: .NET 10/ASP.NET Core Angular 21 (mandatory) DevExpress ...

Stack Developer - Remote - Competitive Salary I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This is an excellent opportunity for an experienced full-stack engineer … maintaining unit and frontend tests (NUnit and ViTest) Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Ensuring all development aligns with OWASP security best practices Tech Stack & Environment Core technologies: .NET 10/ASP.NET Core Angular 21 (mandatory) DevExpress ...

Stack Developer - Remote - Competitive Salary I'm working with an exciting organisation that is looking to appoint a Senior Full Stack Developer to help design and deliver secure, cloud-native applications within a modern Microsoft and Azure ecosystem. This is an excellent opportunity for an experienced full-stack engineer … maintaining unit and frontend tests (NUnit and ViTest) Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Ensuring all development aligns with OWASP security best practices Tech Stack & Environment Core technologies: .NET 10/ASP.NET Core Angular 21 (mandatory) DevExpress ...

shaping the future of the product. What you’ll be doing: • Designing and building scalable microservices using Node.js (Nest.js) and React • Driving an API-first architecture with strong focus on service-to-service communication and contract testing • Owning features end-to-end, from idea to production with a strong … What they’re looking for: • Strong experience building distributed systems/microservices architectures • Deep hands-on expertise with Node.js and React • Solid understanding of API design, event-driven systems, and contract testing • Experience working in fast-paced, ambiguous environments • Passion for automation, clean code, and solving real customer ...

Align data architecture with security, compliance, and data governance requirements Lead the evolution of technical architecture documentation, models, and decision records Conduct architecture and design reviews with cross-functional teams Guide teams in the adoption of best practices in API design, modularity, cloud-native patterns, and event … driven systems Recommend data management best practices, covering data flows, architecture patterns, retention, archival, and purging strategies Coach and mentor engineers on data design, refactoring, and architectural reasoning Essential skills and experience: Proven experience designing and scaling enterprise-grade cloud data platforms (AWS preferred) Deep experience with AWS, Databricks ...

manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, "fail-fast" delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...

manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, "fail-fast" delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...

manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, 'fail-fast' delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...

manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, "fail-fast" delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...

identify risks, plan deliveries, and support resource allocation Core Focus: Architecture & Integration Cross-domain strategy and secure system integration Java/Spring Boot microservices design and governance Senior technical stakeholder liaison across customer and internal teams 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 of the clients' work ...

fast-growing, award-winning software company that delivers end-to-end cloud solutions for practices and businesses. They are looking for an API Engineer to join the team, where you'll be building API infrastructure that enables their product, third party integrations, their users and AI services … interact with their established product portfolio. Key Responsibilities: Design and implement RESTful APIs that expose product capabilities to AI services and third-party integrations Build production-grade APIs using C# .NET, SQL, and Azure services Implement authentication and authorization using OAuth and modern security patterns Write clean, maintainable, well ...

collaborative Agile environment. You will take ownership of complex Magento and front-end initiatives, influence technical direction, and work closely with Product, Design, and Operations to ensure our platforms remain scalable, secure, and high-performing. Location: Hybrid/Remote flexibility Hours: The role is a full-time position … Responsibilities: Lead the design, development, and maintenance of Magento 2 (PHP) features, modules, and integrations, including REST and GraphQL APIs. Drive front-end development using React (JavaScript/TypeScript), consuming Magento GraphQL endpoints to deliver high-quality customer experiences. Own technical solutions from concept through to production, ensuring quality ...

agility with the backing of a well-established business. The Senior Back End Developer will... take ownership of backend engineering for a new API-first data intelligence platform. Role Highlights Design and build scalable backend systems from a true greenfield starting point Define architecture, balancing rapid delivery with … long-term scalability Develop API-first services for data-heavy, enterprise-grade applications Embed observability, metrics, and performance tracking from day one Collaborate within a small, high-autonomy team shaping a new product You Will Need Extensive backend development experience within data-driven B2B environments Strong programming skills ...

deployment, Azure Service Bus, Blob Storage SQL Server — T-SQL, EF Core migrations, query optimisation Azure DevOps — Repos, Boards, Pipelines, Test Plans REST API design and OpenAPI/Swagger documentation This is an exciting time to be joining our client with salary will be based on experience ...

technical initiatives across multiple teams Experience designing scalable, high-performance systems Experience working with legacy or monolithic systems and modernising them Strong understanding of API design and distributed systems Knowledge of modern engineering practices, including CI/CD and DevSecOps Understanding of secure development practices such as OWASP ...

maintain server-side logic using modern backend frameworks (e.g. Node.js, Python, Go) Work with APIs — designing, integrating, and maintaining RESTful endpoints Support database design and optimisation (e.g. PostgreSQL, MongoDB) Collaborate with front-end and product teams to deliver full-stack features Write clean, testable, and maintainable code Help improve ...

Opportunity We’re working with a leading consultancy delivering enterprise-scale digital transformation programmes, currently seeking an experienced Technical Architect to lead the design and delivery of secure, scalable cloud solutions. This is a high-impact contract role focused on shaping Azure-based architectures within a regulated environment — ideal … across the programme — balancing innovation, security, and operational excellence. Key Responsibilities Define and own architecture blueprints for Azure-based solutions Establish and enforce coding, design, and configuration standards Collaborate with engineering, QA, and delivery teams to ensure alignment Lead the design and implementation of CI/CD pipelines ...

years of experience in software development with the Microsoft stack • Stack: C#, .Net Core, ASP.net • Microsoft SQL, Entity Framework • JavaScript, CSS, JSON, XML, etc • API Design & Best Practice (REST, SOAP) • Excellent understanding of Object-Oriented software design • Agile/SCRUM • Azure DevOps Server • Follow best practices ...

This role is designed for engineers who have built and operated large-scale systems end-to-end, not those with superficial exposure or purely design-focused experience. Candidates must have strong experience of Java Full Stack, React, Kubernetes & Docker. Experience in building responsive, component based user interfaces using modern … front end frameworks. Hands on expertise in API design and development (REST/JSON), including versioning and backward compatibility. Experience with UI testing, component testing, and front end build tooling. Experience in CI/CD pipelines, GitOps workflows, A/B testing strategies and also automating the workflows ...

such as AWS, Google Cloud, or Azure and DevOps practices Knowledge of healthcare data privacy standards including GDPR and HIPAA compliance Skilled in architecture design for scalable, secure, and reliable systems Experience managing real‐time communication technologies like WebRTC and video consultation infrastructure Platform & Development Proficiency with modern … frameworks (React, Node.js, Next.js) and mobile development platforms (iOS, Android, React Native, Flutter) Familiarity with API design, microservices, and payment integration systems (e.g., Stripe) Leadership & Strategic Qualities 10+ years experience in software engineering with at least 5 years in senior technical leadership roles Demonstrated ability to build ...

develop a LAMP-based full-stack platform Audit, refactor, and improve legacy code without full rewrites Introduce modern front-end frameworks (React, Vue, Angular) Design and maintain APIs (REST/GraphQL) Improve performance, security, and scalability Contribute to DevOps, CI/CD, and cloud infrastructure Mentor junior developers … best practices What Theyre Looking For Senior full-stack experience in a LAMP environment Strong PHP and MySQL skills Experience with modern JavaScript frameworks API design experience Comfortable in a hands-on, pragmatic, small-team environment Strong communication and problem-solving skills Package & Benefits ...

full-stack technologies. Develop new features and functionality for both front-end and back-end components in following best practices. Implement and maintain robust API integrations with internal and third-party systems. Assist in monitoring, troubleshooting, and resolving production issues to maintain system reliability and data integrity. Participate … reviews, testing, and documentation to maintain high standards of code quality. Required Skills & Experience Strong full-stack development experience with Laravel/PHP for API development and front-end frameworks such as Vue.js (or similar). Familiarity with Node.js for working on an existing LoopBack application. Experience with ...

create the world’s leading, commercially scalable, safe, and advanced humanoid robots that seamlessly integrate into daily life and amplify human capacity. Responsibilities Design and implement a centralized cloud-based platform for managing a fleet of humanoid robots, monitoring system health, and visualizing fleet-level KPIs Develop robust backend … Expertise Proficiency in one of Python, Javascript, Golang or Rust Familiarity with React (or similar frameworks) for creating user-friendly web applications. Expertise in API design, data modeling, and distributed architectures Proficiency with CI/CD pipelines, containerization (e.g., Docker, Kubernetes), and workflow automation. Proficiency in infrastructure ...