26 to 31 of 31 OpenAPI Jobs in England

Full Stack Engineer (C# Backend / React .NET Front End)

Hiring Organisation
Lorien
Location
London, UK
Employment Type
Full-time
integration, and UI testing Manage deployments across staging and production environments Collaboration & Ownership Contribute to architectural decisions and code reviews Document APIs (Swagger/OpenAPI), deployments, and runbooks Mentor junior engineers and promote engineering best practices What We're Looking For Strong experience in C#/.NET and React ...

Full Stack Engineer (C# Backend / React .NET Front End)

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
integration, and UI testing Manage deployments across staging and production environments Collaboration & Ownership Contribute to architectural decisions and code reviews Document APIs (Swagger/OpenAPI), deployments, and runbooks Mentor junior engineers and promote engineering best practices What We're Looking For Strong experience in C#/.NET and React ...

Principal Architect - Intelligent Automation

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
reference architectures for Agentic AI solutions, leveraging Azure AI Foundry as the pro-code platform - including multi-agent orchestration, tool integration (MCP, A2A, OpenAPI), agent memory, and enterprise knowledge grounding (RAG)* Assess opportunities for Intelligent Automation based on technical feasibility and business value, to enable prioritisation of the backlog ...

Data Engineer - Metadata Management & Data Modelling

Hiring Organisation
Experis
Location
Wellington, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 483 Daily
have metadata catalogue, data domain mapping, lineage documentation. Abacus for architecture compliance and linking data models. Beneficial: EDC/IDQ, ERD/UML tools, OpenAPI/Swagger understanding. ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
West London, London, 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 ...

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 ...