15 of 15 Remote/Hybrid OpenAPI Jobs in the UK

Senior Java Software Engineer

Hiring Organisation
Synechron
Location
Sheffield, England, United Kingdom
Spring Cloud Function/Spring Cloud Stream for functional reactive pipelines Spring Retry, Spring Batch (desirable) RESTful API Development REST design principles, versioning, HATEOAS OpenAPI/Swagger specification and documentation API security: OAuth2, JWT, token verification Secure Coding Input validation, SQL injection prevention, XSS prevention Secrets management (Jasypt, Vault ...

Java Backend Developer

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Jenkins, GitHub Actions, GitLab CI, Azure DevOps) Experience working in Agile environments Current SC clearance , or willingness and eligibility to obtain it Desirable Skills OpenAPI/Swagger Kafka Kubernetes Liquibase or Flyway Observability and monitoring tools Gradle Exposure to React or TypeScript Candidate Profile Demonstrable experience building backend services ...

Full Stack Developer

Hiring Organisation
Aimtech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
Power Platform (Power Apps, Power Automate, Power Pages, Power BI) Python, JavaScript, TypeScript, Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI, Claude, Gemini) Docker, Kubernetes (AKS), Azure App Services Azure DevOps, Azure ...

Senior Java Developer

Hiring Organisation
Hays
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Kafka, SQS) Serverless technologies (e.g., AWS Lambda) Monitoring/logging tools (ELK, Splunk, Dynatrace) ORM technologies (JPA, Hibernate) API documentation tools (e.g., Swagger/OpenAPI) Test tools (Postman, Selenium, Axe) Exposure to AI-assisted development tools (e.g., GitHub Copilot) In return, you will be rewarded with a market leading ...

Manchester or Leeds hybrid - Senior/Lead Java Consultant or Fullstack

Hiring Organisation
Tenth Revolution Group
Location
Manchester Area, United Kingdom
Leeds Nice to have Message queueing systems (Kafka, SQS) Serverless technologies (e.g., AWS Lambda) Monitoring tools (Dynatrace, ELK, Splunk) JPA/Hibernate Swagger/OpenAPI Testing tools (Selenium, Postman, etc.) Experience delivering end-to-end projects Benefits Annual bonus: approx. 5% Work from abroad: up to 4 weeks ...

Full Stack Software Engineer

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
track record of building solutions end-to-end Experience deploying applications in cloud environments, preferably Microsoft Azure Strong experience in REST API design and OpenAPI standards Extensive experience working with databases, data platforms, and analytical tools Ability to research, propose, and implement solutions with minimal supervision Experience building internal ...

Full Stack Software Engineer

Hiring Organisation
83zero Ltd
Location
London, Lime Street, United Kingdom
Employment Type
Permanent
Salary
£100000 - £130000/annum
track record of building solutions end-to-end Experience deploying applications in cloud environments, preferably Microsoft Azure Strong experience in REST API design and OpenAPI standards Extensive experience working with databases, data platforms, and analytical tools Ability to research, propose, and implement solutions with minimal supervision Experience building internal ...

Artificial Intelligence Engineer

Hiring Organisation
SBS
Location
United Kingdom
optional — the existing system follows these patterns, and new code must be consistent. API design: Experience designing and maintaining RESTful API contracts. Understands OpenAPI specifications, versioning strategies, schema evolution, and backward compatibility. Can own the API surface that internal consumers depend on. System design: Distributed systems thinking — understands event ...

Principal Enterprise Architect

Hiring Organisation
COMPANIES HOUSE
Location
Cardiff, South Glamorgan, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
management, master data management and data taxonomy approaches. Experience working with data standards and structured reporting formats (for example XBRL, iXBRL, JSON Schema or OpenAPI). Strong understanding of data security, privacy and risk, including secure handling of personal and sensitive data. Professional certifications or qualifications in architecture ...

AWS Solution Architect - Integration Specialist

Hiring Organisation
Anson Mccade
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
They're Looking For Essential: Strong experience designing and delivering AWS-based integration solutions Expertise in API design and security (API Gateway, OAuth2, JWT, OpenAPI) Experience with event-driven architectures (SQS, SNS, Step Functions) Strong understanding of cloud-native development frameworks (e.g. Flask, FastAPI) Experience with Kubernetes ...

Cloud Platform Engineer

Hiring Organisation
ebp Global
Location
United Kingdom
Management: - Design, deploy, and manage RESTful APIs built in Python (FastAPI, Flask, or Django REST Framework) - Manage full API lifecycle — versioning, documentation (Swagger/OpenAPI), deprecation, and rollout strategies - Implement API security best practices including OAuth2, API key management, rate limiting, and JWT authentication - Monitor API performance, uptime … Proficiency with Python REST API development and deployment (FastAPI, Flask) Hands-on experience with AWS API Gateway or Azure API Management (APIM) Familiarity with OpenAPI/Swagger specifications and API documentation practices Understanding of API security standards — OAuth2, JWT, mTLS, API key rotation Experience with containerizing APIs using Docker ...

AWS Solution Architect - Associate Manager

Hiring Organisation
Anson Mccade
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Hands-on experience as an AWS Solution Architect (Integration Specialist) with Lambda and Kubernetes (EKS) Strong knowledge of API design and security (API Gateway, OpenAPI, OAuth2, JWT) Experience with cloud-native frameworks such as Flask or FastAPI Solid understanding of Kubernetes security, IAM, encryption, and CI/CD tooling ...

Principal Solutions Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical foundation, including: Knowledge of blockchain data structures, networking principles, Layer 1/Layer 2, and interoperability protocols. Experience designing and integrating RESTful APIs, OpenAPI specifications, and cloud‐based architectures. Familiarity with IT and security protocols (TLS/SSL) and experience with data compliance, governance, and auditability. Proficiency ...

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 ...

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 ...