1 to 25 of 27 Permanent OpenAPI Jobs in London

Docker and Containerization Monitoring and Logging (e.g., Prometheus, Grafana, ELK Stack) Cloud Platforms (AWS, Azure, Google Cloud) Security and Compliance API Documentation (e.g., Swagger, OpenAPI) Code Quality Tools (e.g., SonarQube) Agile Methodologies (Scrum or Kanban) Soft Skills: Team Collaboration : Ability to work effectively with cross-functional teams, sharing knowledge More ❯

improving coding and development practices. You have worked with microservices communicating over a range of interfaces. You understand how the web works, REST APIs, OpenAPI spec/Swagger, GraphQL, and the difference between REST and RPCs. You understand TDD, BDD, unit testing, integration testing and when to use them. More ❯

Experience with Kotlin development and functional programming paradigms Exposure to multiple programming languages and technology stacks Familiarity with API specification tools like TypeSpec or OpenAPI Experience in the fintech or financial services sector Understanding of how AI/ML can transform not just what we build, but how we More ❯

Experience with Kotlin development and functional programming paradigms Exposure to multiple programming languages and technology stacks Familiarity with API specification tools like TypeSpec or OpenAPI Experience in the fintech or financial services sector Understanding of how AI/ML can transform not just what we build, but how we More ❯

Experience with Kotlin development and functional programming paradigms Exposure to multiple programming languages and technology stacks Familiarity with API specification tools like TypeSpec or OpenAPI Experience in the fintech or financial services sector Understanding of how AI/ML can transform not just what we build, but how we More ❯

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 ❯

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 ❯

Atlas MongoDB, Elasticsearch, xUnit, Selenium, and web accessibility testing. Familiarity with observability platforms like Azure Application Insights or DataDog. Proficient with NuGet, GIT, Swagger, OpenAPI, and Terraform. Nice to have: Experience with AWS or GCP. Contributions to open-source projects or significant side projects. Knowledge of security, DevOps, enterprise More ❯

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 ❯

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 ❯

role requirements are primarily for platform engineer with a few years of experience using python. Required skills and experience API servers using REST (swagger, OpenAPI). Python Flask REST API consumer models i.e. request libraries Asynchronous models of system interaction using pub/sub & messaging using python Celery, RabbitMQ More ❯

role requirements are primarily for platform engineer with a few years of experience using python. Required skills and experience API servers using REST (swagger, OpenAPI). Python Flask REST API consumer models i.e. http request libraries Asynchronous models of system interaction using pub/sub & messaging using python Celery More ❯

role requirements are primarily for platform engineer with a few years of experience using python. Required skills and experience API servers using REST (swagger, OpenAPI). Python Flask REST API consumer models i.e. http request libraries Asynchronous models of system interaction using pub/sub & messaging using python Celery More ❯

5+ years of experience in front-end development (HTML, CSS, JavaScript). Expert-level knowledge of TypeScript. Strong proficiency in React & Next.js. Experience consuming OpenAPI 3.0+ specs to build apps integrating with microservices. Familiarity with building and maintaining shared component libraries. Excellent problem-solving and communication skills. A Bachelor More ❯

5+ years of experience in front-end development (HTML, CSS, JavaScript). Expert-level knowledge of TypeScript. Strong proficiency in React & Next.js. Experience consuming OpenAPI 3.0+ specs to build apps integrating with microservices. Familiarity with building and maintaining shared component libraries. Excellent problem-solving and communication skills. A Bachelor More ❯

5+ years of experience in front-end development (HTML, CSS, JavaScript). Expert-level knowledge of TypeScript. Strong proficiency in React & Next.js. Experience consuming OpenAPI 3.0+ specs to build apps integrating with microservices. Familiarity with building and maintaining shared component libraries. Excellent problem-solving and communication skills. A Bachelor More ❯

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 ❯

/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 ❯

/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 ❯

or related fields). Experience with AWS and Docker. Interest in AI, and familiarity with building LLM-based agents. Exposure to contract-first development (OpenAPI, gRPC/Protocol Buffers). Ability to design scalable and efficient system architectures. Ability to navigate rapidly changing priorities in a growing startup environment. More ❯

or related fields). Experience with AWS and Docker. Interest in AI, and familiarity with building LLM-based agents. Exposure to contract-first development (OpenAPI, gRPC/Protocol Buffers). Ability to design scalable and efficient system architectures. Ability to navigate rapidly changing priorities in a growing startup environment. More ❯

or related fields). Experience with AWS and Docker. Interest in AI, and familiarity with building LLM-based agents. Exposure to contract-first development (OpenAPI, gRPC/Protocol Buffers). Ability to design scalable and efficient system architectures. Ability to navigate rapidly changing priorities in a growing startup environment. More ❯

technical end users. Strong communication and writing skills in English. Experience documenting web applications, especially at enterprise scale. Experience with Linux, Git, Swagger/OpenAPI, Markdown, and a 'docs as code' approach to documentation. Competence in any mainstream programming language. An attention to detail and a sense of curiosity. More ❯

Azure), and financial/accounting technologies. Experience with APIs, web services, middleware, and API tools and technologies such as GitHub, REST API, microservices, Postman, OpenAPI, etc. Capacity to create technical assets to improve team efficiency (e.g., Postman collections, automation scripts, web tools). Ability to work collaboratively across product More ❯

and backend services into Unity-based game environments. Provide architectural oversight on AI enablement and automation initiatives. Create and maintain architecture diagrams, API specs (OpenAPI 3.0), and data flows. Promote best practices in system design, performance, and automation. Identify risks and propose mitigation strategies during solution planning. Stay ahead … knowledge of Google Cloud Platform (or similar), messaging systems (Kafka, Pub/Sub), and event-driven architecture. Proficient in API design and documentation using OpenAPI 3.0. Skilled in backend and AI-relevant languages (e.g., Python, Java, C#, JavaScript). Experience working within Agile methodologies (Scrum/Kanban). Excellent More ❯