76 to 95 of 95 OpenAPI Jobs in the UK

Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScriptUp to £550 per day (Inside IR35) Remote6 MonthsWe are looking for an experienced Full Stack Java Developer to join a large-scale digital programme ...

Full Stack Java Developer - Active SC, Active NPPV3, Java, React & TypeScript Up to £550 per day (Inside IR35) Remote 6 Months We are looking for an experienced Full Stack Java Developer to join a large ...

process knowledge Hands-on experience with SAP integration artefacts including: IDocs BAPIs RFC ALE OData services Strong API engineering experience: REST APIs OpenAPI/Swagger Postman testing Experience with integration middleware and enterprise architecture Understanding of P2P (Procure-to-Pay) and procurement transformation programmes If you are interested ...

embedded devices using interfaces such as Ethernet, CAN, SPI, I2C, UART and RS422. Designing networking functionality including TCP/IP, REST APIs, SNMP and OpenAPI interfaces. Working closely with hardware, FPGA and systems engineers to integrate software with complex electronic systems. Investigating and resolving software, networking and embedded system ...

migration 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 to contribute … 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 with containerised ...

between embedded devices using interfaces such as Ethernet, CAN, SPI, I2C, UART and RS422.Designing networking functionality including TCP/IP, REST APIs, SNMP and OpenAPI interfaces.Working closely with hardware, FPGA and systems engineers to integrate software with complex electronic systems.Investigating and resolving software, networking and embedded system issues.Contributing throughout ...

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 ...

persist-client, stale-while-revalidate cache design, and offline-first hydration patterns Comfortable working within a codegen API layer (Orval or equivalent) — understanding the OpenAPI contract, extending generated hooks without breaking the pipeline, and knowing when to step outside it Solid understanding of layered storage architecture — in-memory state ...

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 ...

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 ...

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 ...

hackajob is partnering directly with Made Tech to hire for this role. Made Tech is on a mission to use technology to improve society - for everyone. We help public sector organisations transform, deliver and manage ...

reducing inconsistency at scale. Responsibilities Standardize API development through tooling and automation so the right approach is the default Define and evolve API standards (OpenAPI), and enforce through tooling, automation, and CI/CD workflows (not manual review processes) Build and maintain systems that auto-generate, validate, and enforce … strong defaults, documentation, and developer tooling Build shared libraries, SDKs, and tooling that teams use directly when developing APIs Ideal Experience Deep experience with OpenAPI/Swagger and API contract design Experience building or enforcing API standards through tooling (linting, schema validation, code generation, CI/CD integration) Strong ...

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/ ...

national and 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 … working on 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 a UK national ...

national and 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 … working on 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 a UK national ...

Architect reusable AI design patterns including human‐in‐the‐loop workflows and multi‐agent coordination models Apply agent integration and communication standards (MCP, A2A, OpenAPI, REST, gRPC) Lead technical delivery of AI projects, managing timelines, dependencies, and stakeholder expectations Ensure delivery adheres to AI governance, data privacy, and regulatory … evaluation approaches Hands‐on experience with multi‐agent orchestration frameworks (LangGraph, CrewAI, AutoGen, Semantic Kernel) Familiarity with orchestration protocols such as MCP, A2A, and OpenAPI‐based integration Strong Python development skills and knowledge of CI/CD, DevOps, and cloud‐native architectures Practical experience with Azure (Azure OpenAI, Azure ...

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 ...

Software Engineer - SC - Cheltenham(Hybrid) - £75,000 Are you a Software Engineer who enjoys solving complex technical challenges? Do you want to work on cutting-edge technology that supports critical national missions in a highly ...

clarity to build foundational infrastructure. Define, publish, and version canonical domain models for Swap's core entities. Own the delivery of schemas and OpenAPI definitions. Establish and maintain a lightweight governance pipeline: review process, ownership model, versioning policy, and deprecation strategy. Translating software requirements into working, high-performance software. … decisions. 5+ years of backend or full‐stack engineering experience, with strong TypeScript/JavaScript and Node.js skills. Experience designing versioned APIs (REST/OpenAPI and/or GraphQL with schema governance). Experience working in platform or infrastructure engineering roles — comfortable with work whose primary customer is other ...