21 of 21 Remote/Hybrid OpenAPI Jobs

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 ...

Lead Software Developer (m/f/d)

Hiring Organisation
Atos Technologies Austria GmbH
Location
Wien, Austria
Employment Type
Permanent
Salary
EUR Annual
mTLS, and secure-by-design principles for sensitive or regulated systems. API Design: Strong expertise crafting standard RESTful APIs and asynchronous event schemas using OpenAPI/AsyncAPI specifications. Communication: Excellent written and verbal communication skills in English, with a proven ability to explain complex distributed-systems concepts to both ...

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

Hiring Organisation
Tenth Revolution Group
Location
Manchester, UK
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 ...

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 ...

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 ...

Integration Architect - INSIDE IR35 - HYBRID

Hiring Organisation
Proactive Appointments
Location
Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £470 per day
request-response, publish-subscribe, event-driven architecture, batch processing, orchestration, choreography, and message queues. Experience with API design and management, including REST, SOAP, GraphQL, OpenAPI/Swagger, API gateways, versioning, throttling, and lifecycle management. Knowledge of messaging and streaming platforms such as Kafka, RabbitMQ, ActiveMQ, IBM MQ, Azure Service ...

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, UK
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 ...

Software Developer

Hiring Organisation
mthree
Location
City of London, Greater London, UK
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 ...

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 ...

Senior Solutions Engineer (APIs & AI)

Hiring Organisation
Neulinx
Location
United Kingdom, UK
cloud-based products Excellent communication skills and the confidence to work with both engineers and non-technical stakeholders Nice to Have GraphQL Python C# OpenAPI/API-first platforms Experience with MCP or AI agent integrations LLM or AI product experience Product Management or Product Ownership experience Why Join ...

Senior Solutions Engineer (APIs & AI)

Hiring Organisation
Neulinx
Location
United Kingdom
cloud-based products Excellent communication skills and the confidence to work with both engineers and non-technical stakeholders Nice to Have GraphQL Python C# OpenAPI/API-first platforms Experience with MCP or AI agent integrations LLM or AI product experience Product Management or Product Ownership experience Why Join ...

Technical Product Manager

Hiring Organisation
Creditsafe
Location
Cardiff, UK
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. ...

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 Technical Business Analyst

Hiring Organisation
Exalto Consulting
Location
Remote with occasional travel to North West, Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day £425 per day, outside IR35
improving specification quality. Experience creating visual artefacts such as journey maps, workflow diagrams, wireframes, clickable prototypes and service blueprints. Awareness of API documentation, OpenAPI/Swagger, integration patterns, data mapping, accessibility standards, responsive design and cross-device user experience constraints. ...

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 ...

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 ...