1 to 25 of 34 Permanent OpenAPI Jobs in the UK excluding London

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 ❯

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 ❯

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 ❯

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 ❯

SpringBoot, Kafka, Postgres, Cassandra, Docker, GitLab, and GitLab CI. Desirable knowledge of tools such as New Relic, Splunk, AWS Lambdas, Kubernetes, ISTIO, Terraform, and OpenAPI, with experience in monitoring, logging, and infrastructure as code. Ideal for those who enjoy coding, continuous learning, and working in a collaborative, mixed-discipline More ❯

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 ❯

mandatory requirements, we would consider high quality individuals who meet most of the criteria: • 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 ❯

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 ❯

someone with foundation in Java Programming Language, typically gained over 2-3 years or equivalent experience 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 ❯

someone with foundation in Java Programming Language, typically gained over 2-3 years or equivalent experience 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 ❯

Lambda, RDS, etc.) and Docker/containerization. Hands-on experience with CI/CD pipelines, particularly using GitHub Actions. Familiarity with API Gateway management (OpenAPI Specs) and messaging systems (ideally SQS/SNS). Knowledge of working with both NoSQL (preferably DynamoDB) and SQL databases. Demonstrable strong problem-solving More ❯

applied experience. Hands-on practical experience in system design, application development, testing, and operational stability. Experience in Java, Spring Boot, Spring Data, JDBC, ETL, OpenAPI Doc, WSDL, JUnit, Kubernetes, Splunk, Dynatrace. Advanced in building REST API with Java, Oracle. Experience in developing UI applications using React. Experience in developing More ❯

services (e.g., S3, DynamoDB, API Gateway, SNS). Understanding of event-driven architectures and microservices. Experience with API frameworks and tools like Swagger/OpenAPI, Postman, and API Gateway. Able to identify packages from import statements. Able to read library API documentation and use them effectively. Snowflake is growing 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 ❯

Oxford and requires office working of 2-3 days a week. Essential Skills: JavaScript/Typescript. JS Frameworks – React or Vue Nodejs, Rest APIs, OpenAPI, SQL Gitlab, CI/CD Pipelines Good collaboration skills Ability to manage large code base & understand design patterns Work with different stakeholders Desired Skills More ❯

IAM, Lambda, API Gateway) * REST APIs, and Web API * Angular or React * SpecFlow for Behaviour-Driven Development (BDD) * Postman for API testing and development * OpenAPI * MS SQL Server (SQL) * MongoDB (NoSQL) * Docker We are not expecting the Lead Software Developer to be an expert in all the technologies above 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 ❯

along with best practice shift left testing strategies Technical authoring of engineering documentation for consumption of engineering teams API Development and use of Swagger, OpenAPI (Possibly) Employment of Testing frameworks Use of Cloud technologies Modern containerised solution architectures This is an inside IR35 contract with the expectation to be More ❯

Oxford and requires office working of 2-3 days a week. Essential Skills: JavaScript/Typescript. JS Frameworks – React or Vue Nodejs, Rest APIs, OpenAPI, SQL Gitlab, CI/CD Pipelines Good collaboration skills Ability to manage large code base & understand design patterns Work with different stakeholders More ❯

backend, written in Python, to train and use machine learning models and upload, retrieve and analyse datasets via a RESTful API defined with an OpenAPI specification. Main Duties and Responsibilities You will work as part of a team of engineers and alongside product and machine learning experts to expand More ❯

REST APIs, webhooks, or SDKs. Strong knowledge of one or more languages: Python, Java, C#, or Node.js. Familiarity with tools like Postman, Swagger/OpenAPI, MQTT, JSON, and XML data formats. Experience working with middleware platforms, messaging brokers, or integration layers (e.g., Azure IoT Hub, AWS IoT Core, or 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 ❯

in the Laravel framework and the dependency manager Composer) MySQL Complex Rest APIs Git Project Tracking Tool (JIRA ideally) Ideal Skills Swagger API Documentation (OpenAPI Specification) HTML5/CSS3/SASS Vue/Vuex/Bootstrap Vue Node/Npm JS Testing Frameworks such as Jest or Mocha Sketch 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). Application of design thinking to determine 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 ❯