Remote OpenAPI Jobs in the UK

1 to 25 of 91 Remote OpenAPI Jobs in the UK

Java Developer (SC Cleared)

United Kingdom
Hybrid / WFH Options
Montash
working with cross-functional teams Desirable Skills: Frontend experience with React & TypeScript Messaging: Kafka Build tools: Gradle Database versioning: Liquibase API Design: Swagger/OpenAPI This role is ideal for engineers looking to build on their SC clearance and gain NPPV3 eligibility, while contributing to a long-term, meaningful More ❯
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Java Developer (SC Cleared)

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
or similar pipelines Collaboration: Agile working with cross-functional teams Frontend experience with React & TypeScript Messaging: Kafka Build tools: Gradle API Design: Swagger/OpenAPI This role is ideal for engineers looking to build on their SC clearance and gain NPPV3 eligibility, while contributing to a long-term, meaningful More ❯
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Senior Java Developer

Leeds, United Kingdom
Hybrid / WFH Options
William Hill PLC
Docker, GitLab, and GitLab CI is desirable Knowledge of monitoring, logging, and cloud platforms like New Relic, Splunk, AWS Lambdas, Kubernetes, ISTIO, Terraform, and OpenAPI is beneficial but not required Open-mindedness and curiosity about new technologies are highly valued What we offer Our roles offer more than just More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Payments Engineer

London, England, United Kingdom
Hybrid / WFH Options
SwiftXccess
practices. You have experience or familiarity with JUnit, Mockito, Selenium, MySQL and NoSQL (Mongo) databases, implementing and consuming APIs, documenting API specs (RAML and OpenAPI), microservices, and tools like Kafka, Zookeeper, Docker, and Kubernetes. Location London, England or Remote and available during Business Hours; This role is open to More ❯
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Mid Level Java Developer

Winnersh, England, United Kingdom
Hybrid / WFH Options
IDEMIA
We’re looking for someone with foundation in Java Programming Language, typically gained over 1+ year Languages/Frameworks: Java, Spring Boot, Tomcat, PostgreSQL, OpenAPI 3, REST APIs Version Control/Tools: Git, SVN, Bitbucket, Nexus, SonarQube, Nessus, Cyberwatch Good communication skills and English proficiency A collaborative mindset to More ❯
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Senior Java Developer (DevSecOps) - VP

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
using Flyway. Utilize Hazelcast for distributed caching and data storage. Deploy and manage applications on OpenShift using microservice architecture. Design and document APIs using OpenAPI standards. Write and maintain unit, integration, and end-to-end tests using JUnit 5, Mockito, WireMock, and Testcontainers. Collaborate with cross-functional teams to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

MuleSoft Developer

Belfast, United Kingdom
Hybrid / WFH Options
CGI
technology teams to understand integration requirements and deliver scalable solutions. • Develop API-led connectivity solutions using MuleSoft Anypoint Platform. • Create and maintain RAML and OpenAPI specifications for RESTful APIs. • Ensure best practices in API security, governance, and performance optimization. • Perform unit testing and integration testing to validate API functionality More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full stack Developer

London, England, United Kingdom
Hybrid / WFH Options
JR United Kingdom
PWA) & SPA Development: Service Workers. SEO & Performance Optimization: PageSpeed Insights, Google Search Console, Google Analytics. Node.js Frameworks: Koa, Express.js, Hapi, Meteor, LoopBack. API Development: OpenAPI (REST APIs), GraphQL, SOAP. Authentication: next-auth, Supabase, Auth0, Keycloak, AWS Cognito. Backend Services & Development: ETLs, scripting tools, command-line tool authoring. Databases Relational More ❯
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Senior Full-Stack Engineer (Fintech) - Remote | $65,000 USD/year

London, England, United Kingdom
Hybrid / WFH Options
SourceIn
Mocha, etc.) Nice to have : Fintech, payment systems or secure coding experience Redis, WebSockets, or real-time system knowledge Familiarity with monorepos, Swagger/OpenAPI, and compliance (PCI, GDPR) Security-First Mindset Our platform handles sensitive financial datasecurity and compliance are central to everything we build. What You'll More ❯
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Senior Software Engineer

Stoke Prior, England, United Kingdom
Hybrid / WFH Options
Velociti Group
deliver low-latency web services and APIs with a solid understanding of the REST architectural style Knowledge of designing, building, and consuming APIs with OpenAPI (Swagger) Very proficient in database development on MS SQL Server with extensive knowledge of T-SQL and relational data modelling Experience building responsive layouts More ❯
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Java Cloud Engineer - RFT Technology (Accounting Domain)

London, England, United Kingdom
Hybrid / WFH Options
Australian Investors Association
experience Experience with all Agile software development frameworks and processes, and software design Experience with Java, Python, Spring-boot, PostgreSQL and Big Query concepts, OpenAPI, Google Cloud Platform (or any other Cloud Platform), SQL Understanding of design concepts and should possess strong knowledge on Domain Driven Design and Hexagonal More ❯
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Senior Backend Developer with C# .net

London, England, United Kingdom
Hybrid / WFH Options
Free-Work UK
up/managing resources/deploying apps Familiar with JIRA and Confluence Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Experience of PowerBI, PowerQuery and R Experience of structured testing and quality assurance 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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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
Posted:

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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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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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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Freelance Senior Frontend Engineer Freelance Engineering London

London, United Kingdom
Hybrid / WFH Options
Elsewhen
GitHub Actions, GCP) Assume responsibility for the technical design and implementation of solutions to complex features. Collaborate with the backend team to design APIs (OpenAPI) to support front-end requirements. Review other team members' codes and, provide feedback, assist junior developers in coding and debugging. Partner with product and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Frontend Developer

London, England, United Kingdom
Hybrid / WFH Options
Elsewhen
variables for theming support. Showcase theme-switching capabilities in Storybook to enable white-labelling. Collaborate with the backend team to provide feedback on APIs (OpenAPI) designs to support front-end requirements. Work with Product and Design teams to understand requirements, address blockers, and align on best practices. Contribute to More ❯
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Frontend Software Developer with Javascript HTML

London, England, United Kingdom
Hybrid / WFH Options
Jas Gujral
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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C# Software Engineer

Bristol, Gloucestershire, United Kingdom
Hybrid / WFH Options
Endeavour Recruitment Solutions
XML development: XSD and XSLT (hands-on experience in XSLTs, DTD, XSDs). Experience with HTML DOM manipulation Familiarity with WSDL and Swagger/OpenApi web service definition formats. Experience working with stakeholders and business analysts to gather business requirements to derive functional and non-functional requirements. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Software Engineer

London, United Kingdom
Hybrid / WFH Options
Endeavour Recruitment Solutions
XML development: XSD and XSLT (hands-on experience in XSLTs, DTD, XSDs). Experience with HTML DOM manipulation Familiarity with WSDL and Swagger/OpenApi web service definition formats. Experience working with stakeholders and business analysts to gather business requirements to derive functional and non-functional requirements. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

C# Software Engineer

Bristol, England, United Kingdom
Hybrid / WFH Options
Endeavour Recruitment Solutions
XML development: XSD and XSLT (hands-on experience in XSLTs, DTD, XSDs). Experience with HTML DOM manipulation Familiarity with WSDL and Swagger/OpenApi web service definition formats. Experience working with stakeholders and business analysts to gather business requirements to derive functional and non-functional requirements. #J More ❯
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Solution Architect

Manchester, England, United Kingdom
Hybrid / WFH Options
BAPON IT Services
Strong background in banking or financial services, including knowledge of core banking, payments, and digital channels. Expert-level skills in API design (REST, SOAP, OpenAPI) and integration architectures. Experience with API management platforms (e.g., Apigee, MuleSoft, Kong, WSO2). Understanding of cloud services (AWS, Azure, GCP), microservices, and containerization. More ❯
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Senior Frontend Engineer London

London, England, United Kingdom
Hybrid / WFH Options
Conduktor Inc
flawless. Improving performance and navigation and helping to integrate design changes into the frontend Working with our backend teams (Scala backends) using REST services (OpenAPI) to ensure seamless integration with the server side Apply industry best practices to maintain high code quality and test coverage. Lead/Coordinate the More ❯
Posted:
OpenAPI
25th Percentile
£50,000
Median
£55,000
75th Percentile
£60,000
90th Percentile
£81,250