126 to 147 of 147 OpenAPI Jobs in the UK

federated or distributed data-access architectures where data remains under the control of the source organisation. Strong API architecture experience, including RESTful APIs, OpenAPI specifications, contract management, versioning, pagination and error handling. Experience designing common or canonical data models and mapping different source schemas into a consistent target model. ...

Experience in designing and implementing model/metric endpoints as part of a platform ecosystem with clear contracts and SLOs (e.g., FastAPI/Flask, OpenAPI), deploying via AWS Lambda/API Gateway or containers How we work Hybrid with in‐person collaboration at our Vauxhall HQ and flexibility ...

Strong knowledge of VisionPLUS modules and vendor roadmaps Familiarity with CICS tuning, DB2 optimisation, and batch/online workload balancing Knowledge of Swagger/OpenAPI standards and API governance Experience operating within ITIL‐aligned incident, problem, and change management frameworks Track record of supporting strategic, high‐revenue clients with ...

authentication; able to read technical documentation and hold your own in design discussions with engineers. Hands-on experience with API tooling (Postman, Swagger/OpenAPI) and using Claude to accelerate your prototyping, design, and vibe-coded concepts, before engineers make them production-grade. A track record of shipping ...

party systems and internal platforms. Developing APIs that allow third parties to access product and customer information, retrieve pricing and place orders. Working with OpenAPI standards to design clear, consistent and maintainable APIs. Developing within a containerised, cloud-based environment , with services deployed into clusters. Working with … particularly interested in engineers who: Have professional experience building APIs and integrations . Understand good API design principles and modern REST/OpenAPI standards. Have experience working with cloud-based, containerised applications. Are comfortable working within an existing architecture while also helping shape what's next. Can break down ...

management (Flyway/Liquibase), indexing strategy, and query optimisation. Design, document, and maintain RESTful and/or GraphQL APIs, ensuring consistency, versioning, and thorough OpenAPI/Swagger documentation. Identify, catalogue, and systematically address technical debt in collaboration with the widerYour background and experience will includeGreat communication skills, able … RESTful API design. PostgreSQL skills: schema design, complex query writing, index optimisation, and migration tooling (Flyway or Liquibase).Experience designing and documenting APIs using OpenAPI/SwaggerProficiency with build tools – Maven or Gradle – and a modern Java development workflow. Understanding of software design principles (SOLID, DRY, Clean Architecture)Familiarity ...

software applications using .NET (C#), Angular, TypeScript/JavaScript, and CSS Work with SQL Server databases and develop API-first solutions using REST and OpenAPI/Swagger Contribute to cloud-based solutions in Azure, utilizing resources such as App Services, Functions, Event Grid, Logic Apps, and Cosmos DB Implement … Proficiency in T-SQL Solid understanding of CSS and web development principles Experience with SQL Server and database design Familiarity with API-first development, OpenAPI/Swagger, and REST principles Experience working in a cloud-first environment, particularly with Azure services Knowledge of Azure DevOps and DevOps principles Proficiency ...

Position: Senior .Net Engineer (Backend) Position Type: Full-time, £45-£60k Location: Hybrid, based out of our Manchester office. Reports To: VP Data Services General Description: PCA Global Ventures, LLC, the global leader in specialized ...

We are recruiting for a Software Engineer Consultant on behalf of one of the UK's fastest-growing technology consultancies, ranked in the Financial Times FT1000 Europe's Fastest-Growing Companies list in both 2025 ...

Made Tech is on a mission to use technology to improve society - for everyone. We help public sector organisations transform, deliver and manage world-class digital products and cloud services. We work with the UK ...

Senior Software Engineer Department: Technology Employment Type: Permanent Location: Swansea, UK Compensation: £50,000 - £70,000/year Description Made Tech is on a mission to use technology to improve society - for everyone. We help ...

institutional customers, tasks will include: Design, develop and maintain Java micro-services within an agile delivery environment. Develop and evolve RESTful APIs using OpenAPI and JSON.Implement automated tests at different levels to support robust and maintainable software delivery. Contribute to the integration of software components such as databases, workflow … agile projectsProficient in Java. Knowledge of automated testingStrong experience in development and automated testing of Java micro-services. Recent experience developing RESTful APIs using OpenAPI and JSON.Excellent teamworking and communication skills. Pragmatic, adaptable and delivery-focused profile, able to respond to changing requirements and priorities. This role requires ...

institutional customers, tasks will include: Design, develop and maintain Java micro-services within an agile delivery environment. Develop and evolve RESTful APIs using OpenAPI and JSON.Implement automated tests at different levels to support robust and maintainable software delivery. Contribute to the integration of software components such as databases, workflow … agile projectsProficient in Java. Knowledge of automated testingStrong experience in development and automated testing of Java micro-services. Recent experience developing RESTful APIs using OpenAPI and JSON.Excellent teamworking and communication skills. Pragmatic, adaptable and delivery-focused profile, able to respond to changing requirements and priorities. This role requires ...

highly scalable backend services using Java, Spring Boot, Kafka, and PostgreSQL within an event-driven, microservices architecture. API Product Ownership: Set API standards (RESTful, OpenAPI/Swagger, OAuth2) and build developer-friendly tools, SDKs, and reference implementations to reduce integration complexity for major partners. Technical Leadership & Mentorship: Champion engineering … office. Qualifications What You Need to Succeed Public API Experience: Proven track record of designing, building, and maintaining production-grade public APIs (RESTful APIs, OpenAPI/Swagger, OAuth2). Core Backend Stack: Extensive experience with Java and Spring Boot for building resilient backend microservices. Distributed Systems & Data: Hands ...

microservices, ensuring high availability, speed, and scalability. Technical & AI Execution: Work with engineers and data teams to design data models, APIs (REST/OpenAPI), recommendation engines, and AI workflows. Data Governance: Build clear data policies and frameworks across multi-market products. Agile Delivery: Write clear user stories (BDD/… Requirements Experience: 8+ years as a Technical PM managing high-scale APIs, platforms, or data products. Technical Skills: Deep understanding of API design (OpenAPI/Swagger/Postman), system design, and database tools (SQL/Python basics). AI & Cloud: Exposure to cloud infrastructure (GCP/Azure/ ...

WebMethods Developer Pay Rate: Up to £690 per day umbrella only Clearance Required: Active MOD SC Duration: 6 months Location: Hybrid - 1 day per week in the office in either Bristol or London Job Description ...

WebMethods Developer Pay Rate: Up to £690 per day umbrella only Clearance Required: Active MOD SC Duration: 6 months Location: Hybrid - 1 day per week in the office in either Bristol or London Job Description ...

design and evolve a cloud-native API platform used by customer-facing apps and third parties. The role focuses on TypeScript, REST APIs and OpenAPI, with AWS, Docker and CI/CD in a containerised environment. You'll join a small, shipping-focused team delivering secure, scalable endpoints ...

ABOUT US: LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our ...

decisions and contributing from day one, while also being a collaborative member of a wider delivery team. Key Responsibilities Integrate frontend functionality with an OpenAPI-driven Node.js backend Lead the refactor of an existing frontend application using Next.js App Router Implement and optimise Server Components and Server Actions Develop … technical decision-making Technology Environment Youll be working across a modern technology stack including: Node.js Next.js App Router, Server Components and Server Actions React OpenAPI-driven backend services Playwright Client-side and server-side caching PostgreSQL Prisma ORM Docker Azure DevOps Azure CI/CD pipelines Youll ideally have ...

with Product, Design, and Data Science. This is a full stack role with a leaning towards frontend. Our frontend stack includes VueJS, TypeScript, and OpenAPI; our backend stack is primarily Java (Spring Boot) and Python, with some legacy Go. We're constantly evolving how we build and deliver software … frontend, and Java (Spring Boot) or Python services on the backend, that handle streaming responses, dynamic visualisations, and complex state management. Integrate seamlessly: Use OpenAPI contracts to build reliable integrations across survey-building, audience, and insights services — including where Compass (https://www.askattest.com/compass) powers AI-assisted ...

We’re working with a fast-growing technology business using AI and large-scale data to transform how organisations conduct due diligence and risk research. This is an opportunity for a technically confident Product Manager ...