OpenAPI Jobs in the UK

1 to 25 of 26 OpenAPI Jobs in the UK

Technical Lead

London Area, United Kingdom
Mastek
Life Cycle (SDLC) of API development programs, including CI/CD and the role of Contract testing (Stoplight Spectral linting to check conformity to OpenAPI standards). Deep understanding of API architecture, development frameworks, and technology stacks. Deep understanding of event-driven architecture, messaging patterns, testing strategies and technology more »
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Technical Lead

Edinburgh, Scotland, United Kingdom
Zonal
both remotely and office based. Technical Skillset . NET and C# experience Unit testing experience Version control with Git Knowledge of APIs (Restful APIs, OpenAPI specs, ...) Container technology experience (Docker, docker-compose, ...) Experience with one cloud provider (AWS, Azure, Google, ...) Database experience Experience with messaging technology more »
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Senior Java Software Engineer

Greater London, England, United Kingdom
LMS Markets
and implement CI/CD pipelines using GitHub Actions or similar tools. Provide guidance and training to the team on FIX API best practices, OpenAPI specification for documenting APIs, and implementation within an Event-Driven Architecture. Required Skills and Experience: 5+ years of Java development experience, specifically with J2EE … of socket programming and real-time communication protocols. Familiarity with Agile development methodologies. Expertise in developing RESTful APIs, with experience in documenting APIs using OpenAPI specification. Knowledge of Event-Driven Architecture and experience with reverse proxy servers. Understanding of continuous integration and deployment (CI/CD) practices. Experience with more »
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Software Engineer

Woking, England, United Kingdom
Strategic Imperatives Limited
Gateway, Lambda, DynamoDB, SQS/SNS). Strong functional programming skills in Java/JavaScript/Typescript ideally with Node.js . Experience working with OpenAPI and API frameworks/automated testing tools. Proficiency with test-driven development ( TDD ). CI/CD and DevOps practices. Good-To-Have: Infrastructure more »
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Java Backend Developer

London, United Kingdom
Hybrid / WFH Options
Third Nexus Group Limited
development. Transition from other frameworks seamlessly, including TestNG Develop and execute automated integration tests using Cucumber and Gherkin for efficient and collaborative testing. Use OpenAPI Swagger to specify and document exposed APIs, ensuring clarity and consistency. Implement code quality checks using SonarQube and ensure security through Redhat SSO. Utilise more »
Employment Type: Permanent
Salary: £40000 - £65000/annum
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Senior Software Engineer

Manchester, North West, United Kingdom
Hybrid / WFH Options
Searchability NS&D Ltd
or PostgreSQL preferred). Development of web applications with modern web frameworks e.g., React, Angular, Vue etc. Designing, implementing, or using Rest APIs, e.g., OpenAPI specification (Swagger) or RESTful API. Previous experience of taking a role within a development team, for example: You take responsibility for outcomes/delivery more »
Employment Type: Permanent, Work From Home
Salary: £50,000
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Senior DevOps Engineer - APIM

Exeter, Devon, South West, United Kingdom
Hybrid / WFH Options
Met Office
and experience of the AWS CodePipeline A working knowledge of implementing or supporting REST APIs using an API Management solution (e.g. WSO2, Apigee) and OpenAPI (Swagger) Definitions (We're experts by nature) Experience of taking requirements and producing either Low Level, or High Level designs and presenting them in more »
Employment Type: Permanent, Work From Home
Salary: £45,000
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Java Developer

Manchester, England, United Kingdom
iO Associates - UK/EU
or PostgreSQL preferred). Development of web applications with modern web frameworks e.g., React, Angular, Vue etc. Designing, implementing or using Rest APIs, e.g., OpenAPI specification (Swagger) or RESTful API. Experience of the following would be beneficial: C#. .Net (standard or Core). Previous experience of taking a senior more »
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Service Modeller

Sheffield, South Yorkshire, Yorkshire, United Kingdom
Experis
Strong programming skills in one or more languages commonly used for API development (e.g., Python, Java) Experience with API documentation tools and standards (e.g., OpenAPI/Swagger). Knowledge of authentication and authorization mechanisms such as OAuth, JWT, or API keys. Ability to optimize API performance and scalability. Familiarity more »
Employment Type: Contract
Rate: £480 - £530 per day
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API Service Modeler

Sheffield, Yorkshire, United Kingdom
Hybrid / WFH Options
J & C Associates Ltd
Strong programming skills in one or more languages commonly used for API development (eg, Python, Java) Experience with API documentation tools and standards (eg, OpenAPI/Swagger). Knowledge of authentication and authorization mechanisms such as OAuth, JWT, or API keys. Ability to optimize API performance and scalability. Familiarity more »
Employment Type: Contract
Rate: GBP Daily
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Senior Software Engineer

London, England, United Kingdom
Hybrid / WFH Options
Sky
ability to explain your logic and challenge the logic of others. Ability to both read and understand programmatic flow eg sequence diagrams. Experience with OpenAPI and able to implement ‘self-documenting’ REST API's Strong Experience in automated unit and integration testing. Experience in working in an agile environment more »
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Senior Software Engineer

Wokingham, England, United Kingdom
Strategic Imperatives Limited
particularly with AWS (API Gateway, Lambda, DynamoDB, SQS/SNS). Strong functional programming skills in Typescript ideally with Node.js . Experience working with OpenAPI and API frameworks/automated testing tools. Proficiency with test-driven development ( TDD ). CI/CD and DevOps practices. Good-To-Have: Infrastructure more »
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Lead Backend Programmer

United Kingdom
Hybrid / WFH Options
People Can Fly Studio
reliable, and readable code. Strong verbal and written communication skills in English. Nice to have: Understanding of Unreal Engine for game development Experience with OpenAPI and code generation tools Experience with monitoring stacks: Prometheus, InfluxDB, Loki, Grafana Video Game-specific experience Knowledge of OpenTelemetry for application monitoring What we more »
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Node JS Developer (GCP) - £400-450pd Outside IR35 - Hybrid - UK

England, United Kingdom
Hybrid / WFH Options
Superstars
concepts. Good understanding of working with REST API, HTTP and its principles. Knowledge about API design standards, patterns and best practices especially Swagger and OpenAPI 3.0, REST, SOAP, MQ, JSON, Microservices etc. Design and develop API specifications using OpenAPI Specifications/YAML. Create custom policies in JavaScript, Node more »
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Technical Lead

Greater London, England, United Kingdom
UST
Jenkins, GitLab, GitHub, GitHub Actions, Nexus, Maven, Harbor…). o Advanced use of Postman, and swagger definition using either JSON, or swagger 2.0 and OpenAPI 3.X. more »
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Technical Lead

Edinburgh, Scotland, United Kingdom
Zonal
both remotely and office based. Technical Skillset: Extensive experience using React Native. Unit testing experience Version control with Git Knowledge of APIs (Restful APIs, OpenAPI specs. Container technology experience (Docker, docker-compose. Experience with one cloud provider (AWS, Azure, Google. Database experience Experience with messaging technology (RabbitMQ, ServiceBus. Additionally more »
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Software Engineers - Java or React

London, United Kingdom
Hybrid / WFH Options
Spectrum IT Recruitment
Boot | or | React, React Native Microservices Architecture TDD/BDD/Cucumber SQL Databases e.g. Postgres, MySQL, MariaDB CI/CD pipelines Spring Security OpenAPI Salaries ranging from £30k to £70k across the 3 levels of seniority, dependent on experience. For more information please send your CV to . more »
Employment Type: Permanent, Work From Home
Salary: £30,000
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Backend Software Developer with C# and Umbraco

London
Hybrid / WFH Options
Nexus Jobs Limited
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 »
Employment Type: Permanent
Salary: £55,000 - £70,000
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Senior Backend Developer with Umbraco C# .net

London
Hybrid / WFH Options
Nexus Jobs Limited
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 »
Employment Type: Permanent
Salary: £55,000 - £75,000
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Frontend Software Developer with Javascript HTML

London
Hybrid / WFH Options
Nexus Jobs Limited
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 »
Employment Type: Permanent
Salary: £40,000 - £50,000
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Senior Backend Developer with C# .net Framework

London
Hybrid / WFH Options
Nexus Jobs Limited
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 »
Employment Type: Permanent
Salary: £50,000 - £80,000
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Software Engineer (DV Security Clearance)

Glocuester, England - South West, United Kingdom
CGI
must have proven technical skills in at least one (ideally several) of the following: Containerisation/Container Security; Microservice Architectures; API Development, REST, Swagger, OpenAPI, gRPC; Cloud platforms and technologies, AWS, (e.g. Lambda, API Gateway, EKS), Azure, Google Cloud Platform (GCP); Cloud native Apps, Kubernetes, OpenShift, MicroK8s; Infrastructure as more »
Employment Type: Full Time
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Senior Software Developer

Edinburgh, City of Edinburgh, United Kingdom
Hays Technology
or SOAP) SQL & SQL Server (or another relational database) Source Control (ideally Git) The following skills are desirable for this role: AWS Kubernetes Kafka OpenAPI WCF Web tooling (e.g., webpack, Vite, esbuild) XML/JSON Schema CI/CD configuration Object Relational Mapping (e.g., EF Core) Unit Testing frameworks more »
Employment Type: Permanent
Salary: £60000 - £70000/annum Up to £70000
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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
Salary: £300 - £350
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Full Stack .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
Salary: £50,000 - £65,000
Posted:
OpenAPI
10th Percentile
£46,600
25th Percentile
£56,250
Median
£62,500
75th Percentile
£75,000
90th Percentile
£100,431