10 of 10 Permanent OpenAPI Jobs in the UK excluding London

Java Developer

Hiring Organisation
TXP Technology x People
Location
Newcastle upon Tyne, UK
Employment Type
Full-time
features. Essential Skills & Experience You must have commercial experience or strong hands-on exposure to: Java (17+) Spring Framework Microservices architecture & REST APIs OpenAPI/Swagger for API design and documentation Test-Driven Development (TDD) Desirable/Nice-to-Have Skills Experience or familiarity with any of the following ...

C# Senior Software Developer

Hiring Organisation
Adria Solutions
Location
Preston, Lancashire, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Framework Core (DbContext, LINQ, Migrations) Debug and trace request flows from UI Controller API Database Response Maintain and publish API documentation via Swagger/OpenAPI Ensure API security, reliability, and performance (error handling, retry logic, logging, timeouts, CORS) Collaborate with database, infrastructure, and QA teams for portal ...

Software Engineer

Hiring Organisation
17918
Location
Bristol, Gloucestershire, United Kingdom
/SNS. Knowledge of both NoSQL (preferably DynamoDB) and SQL databases for high-performance storage. Understanding of API Gateway management and maintaining clear OpenAPI specifications. Strong problem-solving and debugging skills within complex, distributed environments. Excellent communication skills and a preference for working in collaborative, Agile team structures. ...

UX/UI Developer

Hiring Organisation
Metro
Location
Birmingham, England, United Kingdom
component libraries such as DevExpress/DevExtreme Understanding of the full software development lifecycle in Agile environments Experience consuming RESTful APIs and working with OpenAPI/Swagger Knowledge of browser compatibility, performance optimisation, and accessibility standards Experience with Git-based source control and CI/CD pipelines Working knowledge ...

Software Engineer (Golang / AWS)

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
using Go. Develop serverless applications in AWS (Lambda, SST). Implement CI/CD pipelines and automated testing frameworks. Build and document APIs using OpenAPI standards. Work with NoSQL data stores, including DynamoDB. Apply strong security principles in all software design. Collaborate in Agile squads to deliver solutions efficiently. ...

Technical Business Analyst

Hiring Organisation
Maxwell Bond
Location
Greater Manchester, England, United Kingdom
line management responsibilities) Key Skills & Experience Proven experience as a Technical Business Analyst in a software delivery environment Solid experience working with APIs (REST, OpenAPI/Swagger, JSON) Strong SQL skills for data analysis and validation Ability to communicate effectively with both technical and non-technical stakeholders Experience with ...

Software Engineer - Java /Back End

Hiring Organisation
Som3
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum
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 wider Your background and experience will include Great communication skills … design. PostgreSQL skills: schema design, complex query writing, index optimisation, and migration tooling (Flyway or Liquibase). Experience designing and documenting APIs using OpenAPI/Swagger Proficiency with build tools - Maven or Gradle - and a modern Java development workflow. Understanding of software design principles (SOLID, DRY, Clean Architecture) Familiarity ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Focus) Design and evolve scalable backend services in Python using FastAPI for high-availability, high-throughput workloads. Build well-versioned RESTful APIs aligned to OpenAPI/Swagger, with strong conventions for consistency, idempotency, and backward compatibility. Implement authentication and authorization using OAuth2/OIDC, session management, and fine-grained … Palantir Foundry, including working with Foundry APIs, data pipelines, ontologies, or Foundry-based application development. Proven experience designing and operating production REST APIs with OpenAPI/Swagger. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Experience ...

Senior Software Engineer

Hiring Organisation
Inspire People
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
work with modern technologies across both back-end and front-end development. On the back end, this includes Java, Spring Boot and tools like OpenAPI - but what matters most is your ability to build clean, secure applications using any object-oriented language. For front-end work … native architectures (e.g. serverless, containers) Experience contributing to improvements in team processes, tooling or engineering practices Understanding of API design and tools such as OpenAPI Exposure to public sector or working within GDS standards and accessibility guidelines Benefits Alongside your salary of £44,241 - £58,997, Driver and Vehicle ...

Full Stack Engineer

Hiring Organisation
Addition+
Location
Milton Keynes, Buckinghamshire, UK
Technology is at the heart of this fast-growing digital bank — powering the systems that make business banking simpler, faster and smarter. This role is about setting the technical direction across payments, shaping scalable systems ...