251 to 275 of 1,095 API Design Jobs in England

role, fully onsite in London, giving you the opportunity to be hands-on with critical systems at the heart of a secure, global platform. In this role, you’ll design and maintain high-performance backend services that directly power next-generation cybersecurity solutions . With a focus on clean architecture, resilient systems, and robust infrastructure, your work will support … for a role where you can apply deep backend expertise to problems that matter, within a technically mature and driven environment , this opportunity could be your next move. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes … through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring Boot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong More ❯

you're looking to elevate your career, build secure and scalable systems, and play a key role in a global product roadmap , we want to hear from you. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes … through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring Boot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong More ❯

you're looking to elevate your career, build secure and scalable systems, and play a key role in a global product roadmap , we want to hear from you. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes … through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring Boot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong More ❯

you're looking to elevate your career, build secure and scalable systems, and play a key role in a global product roadmap , we want to hear from you. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes … through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring Boot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong More ❯

you're looking to elevate your career, build secure and scalable systems, and play a key role in a global product roadmap , we want to hear from you. Responsibilities: Design, develop, and maintain Java-based backend services using Spring Boot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes … through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of Spring Boot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based CI/CD, cloud infrastructure (AWS/GCP/Azure). Strong More ❯

features. PhysicsX is a deep-tech company of scientists and engineers, developing machine learning applications to massively accelerate physics simulations and enable a new frontier of optimization opportunities in design and engineering. Born out of numerical physics and proven in Formula One, we help our customers radically improve their concepts and designs, transform their engineering processes and drive operational … important industries of our time – including Space, Aerospace, Medical Devices, Additive Manufacturing, Electric Vehicles, Motorsport, and Renewables. Our work creates positive impact for society, be it by improving the design of artificial hearts, reducing CO2 emissions from aircraft and road vehicles, andincreasing the performance of wind turbines. We are a rapidly growing company but prefer to fly under the … and career goals. What you will do Work intimately with our simulation engineers and research scientists to develop an understanding of the physics and engineering challenges we are solving Design, build and optimise machine learning models with a focus on scalability and efficiency in our application domain Transform prototype implementations to robust production-grade implementation of models Explore distributed More ❯

implementing, and optimizing UI applications in a microservices-based environment. As a member of our team, you will contribute to all aspects of the software development lifecycle, including estimation, design, coding, test automation, code reviews, deployment, and support. Teams are responsible for specific services or products. Our solutions help airlines manage safe and high-performance flight operations. The Frontend … on, but not limited to, the skills and tech stack for Software Development around: Web and Mobile Frontends Vue.js, TypeScript HTML, CSS/SASS SPA, Micro frontends UX, Responsive Design, Accessibility Design Systems Unit testing, Functional testing Responsibilities: Extend existing infrastructure/architecture or propose new infrastructure/architecture to support new features Propose architecture design changes … to ease implementation/improve product behavior Coding, testing, documenting and debugging assigned development tasks to meet acceptance criteria Set standards for team members code submissions Propose changes at design level to make product testable Guides unit/feature testing creation on existing functions as well as new code Implement product features with limited specifications through engagement with stakeholders More ❯

We help our clients to innovate and create intelligent digital products and services. We thrive on complex challenges and deliver business-critical IT transformation projects, moving seamlessly from strategy, design and delivery to operations. This is a hybrid role working from our London office 2 days per week. As a Lead Java Developer at Waracle, you won't just … with the Spring Framework (Spring Boot, MVC, Security, Data JPA). Solid understanding of relational databases (e.g., PostgreSQL, MySQL) and ORM frameworks (e.g., Hibernate, JPA). Expertise in RESTful API design and development. Proficiency with version control systems (Git) and build tools like Maven or Gradle. Digital Consultancy background is preferred, with expertise in translating complex client requirements More ❯

and stay up-to-date with emerging trends in back-end development. Key Responsibilities: Develop and maintain robust, scalable, and high-performance back-end services using Node.js and Express.js. Design and implement RESTful APIs and microservices, ensuring security, efficiency, and maintainability. Collaborate with front-end developers to provide seamless integration between back-end and front-end components. Conduct thorough … or GitLab CI. Work with DevOps to manage containerised environments using Docker. About You: Extensive experience with Node.js, Express.js, and back-end development best practices. Strong knowledge of RESTful API design and microservices architecture. Proficiency in working with both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. Experience with CI/CD pipelines and DevOps practices, including automated testing More ❯

our agentic AI products. This role involves bringing our agentic workers to a diverse user base across the procurement and supply chain industry. You’ll own everything from infrastructure design and automated delivery pipelines to observability and security, ensuring our systems are resilient, scalable, and cost-efficient for the world’s largest supply-chain organisations. Tasks In this role … you will: Design and evolve our multi-cloud platform (Azure and AWS) using infrastructure-as-code and GitOps best practices. Build and maintain high-throughput Kubernetes clusters (EKS) with secure networking, service mesh, policy enforcement, and self-service tooling for application teams. Craft robust CI/CD pipelines that deliver containerised services from commit to production with automated testing … in Python, Go, or Java with clean code principles, test coverage, and performance awareness. Service Architecture : experience building and operating high-availability, distributed systems (microservices and event-driven). API Design : REST and gRPC, with versioning, throttling, auth, and schema validation (OpenAPI, Pydantic, Protobuf). Datastores : deep knowledge of RDBMS (PostgreSQL/MySQL), NoSQL (DynamoDB, Redis, Cassandra), and More ❯

role combines deep software engineering leadership with a strong understanding of regulated environments, particularly as we evolve towards Software as a Medical Device (SaMD). You will oversee the design, architecture, and delivery of a highly scalable, secure, and compliant cloud-based solution that empowers researchers, clinicians, and bioinformaticians. This is a mission-critical leadership position that will influence … needs into scalable features Navigate a dynamic environment, balancing short-term priorities with long-term vision Manage trade-offs between scope, quality, and timelines Cross-Functional Collaboration Align engineering, design, and product teams on shared goals Communicate effectively with stakeholders to gather input and share progress Ensure timely, high-quality feature delivery Technical Oversight Maintain high standards in architecture … Azure, GCP, Oracle), Kubernetes and IaC with Terraform Strong grasp of data privacy and security frameworks, including role-based access control (RBAC), encryption at rest and in transit, secure API design, and identity/auth protocols (e.g., OAuth2, OpenID) Outstanding communication and collaboration skills, capable of influencing stakeholders, external partners, and non-technical contributors Understanding of the software More ❯

Expertise in Java and experience with tools like IntelliJ IDEA, Kubernetes, Docker, and AWS. Ability to learn new technologies quickly and adapt to different programming stacks. Experience with SQL, API design and JavaScript is beneficial, but not required. Strong collaboration and communication skills, with a focus on problem-solving as a team. Desire to continually grow and evolve More ❯

programming as well as familiarity with functional concepts Experience working with version control systems Experience writing testable code Good to have Technical Skills: Understanding of web application architecture and api design Understanding of event driven architecture including use of message brokers (eg. Apache Kafka, RabbitMQ, SQS etc) Understanding of micro service architecture Understanding of CI/CD, containerisation More ❯

of best in-class security solutions Requirements 5+ years as a Node.js/JavaScript developer, ideally, with background in monitoring & supporting large scale production systems Deep understanding of REST API design and WebSockets Familiar with cloud services such as AWS and GCP Experience in large-scaled distributed environments Good command of Linux environment Clear, logical communicator in English More ❯

+ Next.js, Tailwind, Prisma, tRPC PostgreSQL, MongoDB, Redis Serverless, AWS, Google Cloud, Github Actions DBT, BigQuery Terraform Python Requirements Strong Python experience in building scalable backend systems. Familiarity with API design & distributed systems architecture. Experience working with event-driven architectures (e.g. Kafka, Pub/Sub, AWS Step Functions, etc.). Comfortable optimising performance & scaling distributed AI workloads. Experience More ❯

experience in some of these, but if not we'll help you with them AWS Certification at Associate level eg Solution Architect, Developer or DevOps Expertise in microservices and API design Docker, and container runtime platforms such as Kubernetes, EKS, ECS etc Strong understand of operational concepts on AWS, particularly monitoring and observability, FinOps Utilising CI/CD More ❯

large complex code bases Proven experience as a full stack developer including extensive knowledge and experience working in Java or C# and React/Typescript Basic UI/UX design knowledge REST APIs design and implementation Git Code reviews/Good coding practices SQL Ability to work independently Strong communication and interpersonal skills Desire to collaborate and to More ❯

Integration Engineer – SQL Server/Web & API Development 📍 Location: UK Remote 📅 Contract Length: Initial 6 months + extensions 💷 SDS: Inside IR35 🚀 Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This is a hands-on technical role ideal for someone who … thrives in complex environments and enjoys solving integration puzzles across legacy and modern systems. What You'll Be Doing: • Design, build, and maintain system integrations using .NET, SQL Server, and low-code platforms • Develop and optimise SQL queries, stored procedures, and transformation logic • Build and consume RESTful and SOAP APIs • Work with XML, XSL, and JSON formats for data … to the continuous improvement of integration workflows What You’ll Bring: • Proven experience as an Integration Engineer, Software Developer, or Backend Engineer • Strong SQL Server skills (procedures, views, table design, indexing, optimisation) • Solid background in .NET Framework/.NET Core for API and backend development • Understanding of JavaScript and modern web service architectures • Familiar with both REST and More ❯

Integration Engineer – SQL Server/Web & API Development Location: UK Remote Contract Length: Initial 6 months + extensions SDS: Inside IR35 Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This is a hands-on technical role ideal for someone who … thrives in complex environments and enjoys solving integration puzzles across legacy and modern systems. What You'll Be Doing: • Design, build, and maintain system integrations using .NET, SQL Server, and low-code platforms • Develop and optimise SQL queries, stored procedures, and transformation logic • Build and consume RESTful and SOAP APIs • Work with XML, XSL, and JSON formats for data … to the continuous improvement of integration workflows What You’ll Bring: • Proven experience as an Integration Engineer, Software Developer, or Backend Engineer • Strong SQL Server skills (procedures, views, table design, indexing, optimisation) • Solid background in .NET Framework/.NET Core for API and backend development • Understanding of JavaScript and modern web service architectures • Familiar with both REST and More ❯

Integration Engineer – SQL Server/Web & API Development 📍 Location: UK Remote 📅 Contract Length: Initial 6 months + extensions 💷 SDS: Inside IR35 🚀 Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This is a hands-on technical role ideal for someone who … thrives in complex environments and enjoys solving integration puzzles across legacy and modern systems. What You'll Be Doing: • Design, build, and maintain system integrations using .NET, SQL Server, and low-code platforms • Develop and optimise SQL queries, stored procedures, and transformation logic • Build and consume RESTful and SOAP APIs • Work with XML, XSL, and JSON formats for data … to the continuous improvement of integration workflows What You’ll Bring: • Proven experience as an Integration Engineer, Software Developer, or Backend Engineer • Strong SQL Server skills (procedures, views, table design, indexing, optimisation) • Solid background in .NET Framework/.NET Core for API and backend development • Understanding of JavaScript and modern web service architectures • Familiar with both REST and More ❯

Integration Engineer – SQL Server/Web & API Development 📍 Location: UK Remote 📅 Contract Length: Initial 6 months + extensions 💷 SDS: Inside IR35 🚀 Start Date: ASAP We're hiring an experienced Integration Engineer to support a large-scale enterprise transformation project, working across data platforms, web services, and custom APIs. This is a hands-on technical role ideal for someone who … thrives in complex environments and enjoys solving integration puzzles across legacy and modern systems. What You'll Be Doing: • Design, build, and maintain system integrations using .NET, SQL Server, and low-code platforms • Develop and optimise SQL queries, stored procedures, and transformation logic • Build and consume RESTful and SOAP APIs • Work with XML, XSL, and JSON formats for data … to the continuous improvement of integration workflows What You’ll Bring: • Proven experience as an Integration Engineer, Software Developer, or Backend Engineer • Strong SQL Server skills (procedures, views, table design, indexing, optimisation) • Solid background in .NET Framework/.NET Core for API and backend development • Understanding of JavaScript and modern web service architectures • Familiar with both REST and More ❯

Software Development Coach - Flexible (Domain-Driven Design, TDD + Others) Software Development Coach - Flexible (Domain-Driven Design, TDD + Others) 3 weeks ago Be among the first 25 applicants About Skiller Whale Skiller Whale changes what tech teams are capable of through live sessions led by subject-matter experts. About Skiller Whale Skiller Whale changes what tech teams … for you to apply if you enjoy building the skills and understanding of others, and you have expertise in ideally two or more of the following areas: Domain-Driven Design Expertise in common languages/frameworks/tools (e.g. Go, React, Kotlin, PostgreSQL, Docker etc) Test-Driven Development REST API Design Leadership, Communication and Management (in the … month ago London, England, United Kingdom 16 hours ago Performance-Based Business Coach - Work from Anywhere, Unlimited Growth London, England, United Kingdom 1 month ago Lifestyle & Business Empowerment Coach-Design Your Own Life London, England, United Kingdom 2 months ago London, England, United Kingdom 1 year ago London, England, United Kingdom 1 year ago Greater London, England, United Kingdom More ❯

Key Responsibilities: Design and develop robust backend services and RESTful APIs using Python (FastAPI, Flask, or Django) Build and deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end … performance and scalability Required Skills & Experience: 7+ years of backend development experience using Python Strong experience in designing and implementing microservices Hands-on experience with AWS Serverless services: Lambda, API Gateway, S3, DynamoDB, SQS, SNS, etc. Proficient in RESTful API design , JSON, and OpenAPI/Swagger specifications Experience with asynchronous programming in Python (e.g., asyncio, aiohttp, FastAPI … Knowledge of CI/CD tools (e.g., GitHub Actions, Jenkins, CodePipeline) Familiarity with Docker and containerized deployments Strong understanding of software design patterns , clean code practices, and Agile methodologies More ❯

Key Responsibilities: Design and develop robust backend services and RESTful APIs using Python (FastAPI, Flask, or Django) Build and deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end … performance and scalability Required Skills & Experience: 7+ years of backend development experience using Python Strong experience in designing and implementing microservices Hands-on experience with AWS Serverless services: Lambda, API Gateway, S3, DynamoDB, SQS, SNS, etc. Proficient in RESTful API design , JSON, and OpenAPI/Swagger specifications Experience with asynchronous programming in Python (e.g., asyncio, aiohttp, FastAPI … Knowledge of CI/CD tools (e.g., GitHub Actions, Jenkins, CodePipeline) Familiarity with Docker and containerized deployments Strong understanding of software design patterns , clean code practices, and Agile methodologies More ❯

Key Responsibilities: Design and develop robust backend services and RESTful APIs using Python (FastAPI, Flask, or Django) Build and deploy microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end … performance and scalability Required Skills & Experience: 7+ years of backend development experience using Python Strong experience in designing and implementing microservices Hands-on experience with AWS Serverless services: Lambda, API Gateway, S3, DynamoDB, SQS, SNS, etc. Proficient in RESTful API design , JSON, and OpenAPI/Swagger specifications Experience with asynchronous programming in Python (e.g., asyncio, aiohttp, FastAPI … Knowledge of CI/CD tools (e.g., GitHub Actions, Jenkins, CodePipeline) Familiarity with Docker and containerized deployments Strong understanding of software design patterns , clean code practices, and Agile methodologies More ❯