OpenAPI Jobs in the UK

51 to 75 of 187 OpenAPI Jobs in the UK

Web Architect

London, England, United Kingdom
ZipRecruiter
cookies, XSS/CSRF mitigation, OAuth2, SSO, SAML, encryption SEO & Performance: Core Web Vitals, metadata structuring, sitemap configuration, crawl budget API Design: RESTful APIs, OpenAPI/Swagger, GraphQL CMS: Experience with various CMS platforms; headless CMS integration (e.g., Contentful, Sanity, Strapi) Testing: Automated testing (Jest, Mocha, Selenium), TDD, BDD More ❯
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Senior Full Stack Developer (Remote in Australia, Spain, UK, Brazil, Poland)

London, England, United Kingdom
Hybrid / WFH Options
Rebilly, Inc
Hiring The total process should take around 2 weeks. Technical Requirements Frontend: Vue JS 3, ReactJS, TypeScript Framework: Symfony, Doctrine ORM API: RESTful API, OpenAPI 3.1, Redocly Package Management: Composer, NPM, Yarn Testing: PHPUnit, Vitest, Jest, Cypress, Testing Library Build: Vite, Rollup Version Control: Git JS: ES6/ More ❯
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Software Developer

London Area, United Kingdom
Valcon
patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or experience with WCF services — we still support some older systems, so comfort working with a mix of modern and More ❯
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Software Developer

City of London, London, United Kingdom
Valcon
patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or experience with WCF services — we still support some older systems, so comfort working with a mix of modern and More ❯
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Senior Full Stack Developer

London, United Kingdom
Hybrid / WFH Options
Buyapowa Limited
experience (v18+) Experience with build pipelines, CI, Docker Proficiency in Git Strong HTML and CSS skills Excellent communication skills Knowledge of Sidekiq, RSwag/OpenAPI, Tailwind, GraphQL, React Hook Form, React Query, Terraform WHAT WE OFFER: Opportunity to work with various technologies Encouragement to suggest new ideas and experiments More ❯
Employment Type: Permanent
Salary: GBP Annual
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Software Developer

South East London, England, United Kingdom
Valcon
patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or experience with WCF services — we still support some older systems, so comfort working with a mix of modern and More ❯
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Software Engineer - API Management Platform, DevOps

London, England, United Kingdom
J.P. MORGAN
financial services industry and their IT systems Practical cloud native experience Professional experience in API management technology e.g APIGEE, Kong, Mulesoft Strong understand of OpenAPI Specification (OAS) for RESTful APIs Preferred qualifications, capabilities, and skills AWS (ECS, EKS, MKS) Kong API Gateway Experience with Performance and Soak Testing Golang More ❯
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Sr. AI Systems Engineer

London, United Kingdom
Cervin
science or a related field 6+ years of experience as a Software Engineer Extensive experience in Python Proven experience working with RESTful APIs and OpenAPI, gRPC, and Protobuf, with knowledge of their design best practices and common libraries Proven experience interfacing with AI projects, with a focus on computer More ❯
Employment Type: Permanent
Salary: GBP Annual
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Full Stack Engineer

City of London, London, United Kingdom
algo1
Contribute to distributed, event-driven backend services connecting our web experience with information from remote devices and external data sources. Build and document APIs (OpenAPI/AsyncAPI) for mobile and web clients Model and manage structured and semi-structured data across storage layers Integrate AI-driven personalisation and real More ❯
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Full Stack Engineer

London Area, United Kingdom
algo1
Contribute to distributed, event-driven backend services connecting our web experience with information from remote devices and external data sources. Build and document APIs (OpenAPI/AsyncAPI) for mobile and web clients Model and manage structured and semi-structured data across storage layers Integrate AI-driven personalisation and real More ❯
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QA Engineer Central London ·

London, England, United Kingdom
Aqovia UK Limited
such as JMeter Experience of basic Windows and Unix systems administration, including scripting. Understanding of RESTful HTTP services, including API description languages such as OpenAPI (Swagger). Understanding of Cloud application development, especially Microsoft Azure Experience of working with source control systems, especially git in a team context. Understanding More ❯
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Software Developer

Edinburgh, Scotland, United Kingdom
Origo
and Experience Although not essential, additional skills/experience in any of the following areas are also beneficial: Technical: DynamoDB, Aurora, AWS Lambda Terraform OpenAPI, JSON Schema React, NextJS Web tooling (e.g., webpack, Vite, esbuild) CI/CD configuration (preferably with Azure Pipelines) Object Relational Mapping (e.g., EF Core More ❯
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Software Developer

Milton Keynes, England, United Kingdom
Hybrid / WFH Options
Spinbox, Ltd
with: C# and ASP.net (minimum 4 years commercial experience) Web application and CMS development experience (Umbraco/Sitefinity advantageous) Typescript, React or Angular, ServiceStack, OpenAPI/Swagger, Polly, ElasticSearch/Azure Search ORM experience (EF or Telerik OpenAccess) Git and Azure DevOps Development with Azure services (e.g. Functions, Storage More ❯
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Angular Software Developer

Scotland, United Kingdom
Trapeze Group
level back-end development environments. Proficiency with Spring Boot - for building robust and efficient Java-based microservices and REST APIs. Familiarity with Spring Doc (OpenAPI/Swagger) - for generating clear and consumable API documentation. Experience with Azure API Manager - for managing, monitoring, and securing APIs within Azure environments. Swift More ❯
Employment Type: Permanent
Salary: GBP Annual
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Data Model Governance Lead

London, England, United Kingdom
proda.ai
Familiarity with real‐estate concepts (rent rolls, indexation, CAM charges, lease events). Exposure to TypeScript/Python engineering environments and API schema design (OpenAPI/JSON‐Schema). Prior line‐management or mentoring of junior analysts/engineers. Personal Attributes System thinker – sees the bigger picture and designs More ❯
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Software Engineer II

United Kingdom
JPMorgan Chase & Co
financial services industry and their IT systems Practical cloud native experience Professional experience in API management technology e.g APIGEE, Kong, Mulesoft Strong understand of OpenAPI Specification (OAS) for RESTful APIs Preferred qualifications, capabilities, and skills AWS (ECS, EKS, MKS) Kong API Gateway Experience with Performance and Soak Testing Golang More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer II

London, England, United Kingdom
J.P. Morgan
financial services industry and their IT systems Practical cloud native experience Professional experience in API management technology e.g APIGEE, Kong, Mulesoft Strong understand of OpenAPI Specification (OAS) for RESTful APIs Preferred qualifications, capabilities, and skills AWS (ECS, EKS, MKS) Kong API Gateway Experience with Performance and Soak Testing Golang More ❯
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Lead Front End Engineer(Agentic Intelligence)

London, England, United Kingdom
GroupM
/CD environment Using containers/Docker Atomic or material design Agile/Scrum Sound understanding of coding standards and conventions Documentation Familiarity with OpenAPI NICE TO HAVE Familiarity with Python and Go HATEOAS/Hypermedia APIs u00A0 If you are ready to be at the forefront of the More ❯
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Lead Front End Engineer(Agentic Intelligence)

London, England, United Kingdom
Choreograph
/CD environment Using containers/Docker Atomic or material design Agile/Scrum Sound understanding of coding standards and conventions Documentation Familiarity with OpenAPI Web Accessibility (specifically WAI-ARIA) Familiarity with Python and Go HATEOAS/Hypermedia API Life at WPP Media & Benefits Our passion for shaping the More ❯
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Senior Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Wikimedia Foundation
experienced team members; Contributing to the adoption and advocacy of API-first development, and influencing best practices in system design, SLOs/SLAs, and OpenAPI Specification; Championing product metrics: ensuring that key user journeys are instrumented and monitored to guide decisions and evaluate success; Leading by example in code More ❯
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React Developer

Reading, England, United Kingdom
JR United Kingdom
microservice-based applications, focusing on React front-end components and shift-left testing strategies Technical documentation for engineering teams API development, including Swagger and OpenAPI (optional) Employment of testing frameworks Use of cloud technologies Modern containerized solution architectures This is an inside IR35 contract with the expectation to be More ❯
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Test Engineer

Basingstoke, England, United Kingdom
La Fosse
experience working with CI/CD pipeline tools , including Jenkins and Azure DevOps Pipelines Proficient in using YAML for defining pipelines and API contracts (OpenAPI/Swagger) Deep familiarity with the Microsoft ecosystem , particularly Azure DevOps for project and release management Interview Processes: 2 stage Process 1st stage: Technical More ❯
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Senior Software Engineer (Golang)

London, United Kingdom
Different Technologies Pty Ltd
4. Good understanding of Container deployments 5. Good understating of CI/CD pipelines 6. Demonstratable knowledge of the Public Cloud 7. Working with OpenAPI specifications and APIs generally 8. Linux system admin and network operations Desirable 9. Good understanding of IP Networking IPv4 and IPv6 stack 10. Awareness More ❯
Employment Type: Permanent
Salary: GBP Annual
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Frontend Software Developer with Javascript HTML

London, England, United Kingdom
Hybrid / WFH Options
Free-Work UK
full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page More ❯
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Full Stack Dot Net Software Developer

West London, Greater London
Nexus Jobs Limited
/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test More ❯
Employment Type: Permanent
Posted:
OpenAPI
25th Percentile
£50,000
Median
£55,000
75th Percentile
£60,000
90th Percentile
£81,250