14 of 14 Remote/Hybrid OpenAPI Jobs in the UK

Apigee Developer

Hiring Organisation
ARM
Location
Slough, Berkshire, United Kingdom
Employment Type
Contract
deployments Required Skills & Experience: Proven experience working with Apigee (Edge or Apigee X/Hybrid) Strong understanding of API design principles (RESTful services, OpenAPI/Swagger) Experience implementing API security (OAuth2, JWT, SAML, TLS) Hands-on experience with JavaScript (for Apigee policies) and API policy configuration Familiarity with microservices ...

Senior Java Developer

Hiring Organisation
Hays Technology
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£50000 - £65000/annum £50,000-£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 ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Required Skills and Experience Full-stack experience across a selection of JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development & OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL) Elasticsearch/Opensearch ...

Front End Software Engineer (Typescript)

Hiring Organisation
Safe Intelligence
Location
Cardiff, United Kingdom
This includes knowledge of database (MongoDB) access patterns (e.g., Optimistic Concurrency Control - OCC) and schema design, domain-driven architecture, and concurrency. Familiarity with the OpenAPI specification and code generation toolsets for API development. Some experience with Python, modern development techniques, and design patterns. Experience in data science tools ...

Manager - Lead AI Engineer

Hiring Organisation
Anson Mccade
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
knowledge-sharing initiatives Skills & Experience Required Significant senior backend development experience with strong Python proficiency (async programming, concurrency, multithreading) Expertise in RESTful API design, OpenAPI/Swagger documentation and API lifecycle best practices Hands-on experience with ML libraries: PyTorch, PySpark, scikit-learn, Hugging Face Transformers Proficiency ...

Senior Web Engineer

Hiring Organisation
Santander UK
Location
United Kingdom
Employment Type
Full Time
Preferred). Use of web performance analysis/improvement tools: Web Vitals, Lighthouse CI, and bundle analysis. (Preferred). Familiarity with code-generation tooling: OpenAPI → TypeScript clients, GraphQL Codegen. (Preferred). Experience with internationalization libraries (i18next) and Lottie animations. (Preferred). Experience with PWA/service workers and offline ...

Mulesoft Developer - Fully Remote

Hiring Organisation
Square One Resources
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 315 Daily
enterprise API design standards. Create reusable connectors, templates, and integration patterns to accelerate delivery across teams. Produce thorough API documentation using RAML or OAS (OpenAPI Specification). Deploy, configure, and monitor Mule applications on CloudHub and Runtime Fabric. Implement robust error handling, alerting, and logging strategies to support operational ...

Software Developer

Hiring Organisation
mthree
Location
London Area, United Kingdom
Skills: SCM knowledge, preferably Git/Bitbucket Knowledge of distributed systems/service-oriented architectures Knowledge of defining a REST API using Swagger/OpenAPI Knowledge of building and deploying an application in the cloud Knowledge of Unit Testing frameworks like CPP Unit, GTest for C++ or similar Experience ...

Test Automation Engineer / Software Tester

Hiring Organisation
Matchtech
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£410/day
with: Behaviour Driven Development (BDD) Test Driven Development (TDD) Strong coding skills in: C# (essential) Python (highly desirable) Experience testing: RESTful APIs Swagger/OpenAPI services SOAP services Web applications and user interfaces Experience with source control and CI/CD tooling: GitHub GitHub Actions Strong defect management ...

Software Architect - C#

Hiring Organisation
Jobleads-UK
Location
Basingstoke, England, United Kingdom
scale Experience defining architecture principles, standards, and best practices Strong understanding of modern development and deployment practices Experience with specification tools such as AsyncAPI, OpenAPI, and JSON Schema Familiarity with containerised environments and cloud platforms Experience with technologies such as MongoDB, PostgreSQL, Redis, and RabbitMQ Strong analytical, problem-solving ...

Technical Product Manager

Hiring Organisation
Creditsafe
Location
Cardiff, Wales, United Kingdom
business decisions Bachelor’s degree or equivalent experience Oversee how new product capabilities are exposed through the API surface. API design fluency. REST principles, OpenAPI/Swagger, pagination, auth patterns, error handling API observability including usage analytics, rate limiting, deprecation telemetry Benefits Competitive Salary. Company Laptop supplied. Bonus Scheme. ...

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 … experience, with a strong focus on backend development in Python and with event-driven architectures. 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 ...

SC Cleared Node.js Developer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £560 per day + Inside IR-35
based platforms. What you'll be doing: Translating business and user requirements into effective technical designs Building APIs and backend services using Node.js (REST, OpenAPI) Developing user-focused services, putting accessibility and usability first Writing clean, reusable, and maintainable code Working with shared/common government tech stacks (Node.js … including OWASP principles and vulnerability management Collaborating with stakeholders and communicating technical concepts clearly Tech stack includes: Node.js, HAPI (web framework) API development (REST, OpenAPI) PostgreSQL, MongoDB, Redis Jest and Lab for testing Git for source control Cloud platforms (AWS, Azure) Docker, Kubernetes, ECS CI/CD tools (Azure ...