1 to 25 of 147 OpenAPI Jobs in the UK

event‐driven architectures, or real‐time data patterns. Familiarity with modern authentication approaches such as OAuth2, OpenID Connect, JWT, and AWS Cognito. Experience with OpenAPI/Swagger specifications and API lifecycle management. Experience with CI/CD tools such as GitHub Actions, Azure DevOps, Jenkins, or AWS CodePipeline. #J ...

practices Knowledge of authentication and authorisation protocols including OAuth2, JWT, and API security best practice Proficiency with API documentation tools such as Swagger/OpenAPI or Postman Experience with agile tooling such as Jira, Azure DevOps, or Linear Strong technical writing: PRDs, technical specifications, and API documentation Comfortable defining ...

practices Knowledge of authentication and authorisation protocols including OAuth2, JWT, and API security best practice Proficiency with API documentation tools such as Swagger/OpenAPI or Postman Experience with agile tooling such as Jira, Azure DevOps, or Linear Strong technical writing: PRDs, technical specifications, and API documentation Comfortable defining ...

Spring Boot, including dependency injection, configuration, and REST services Strong experience designing and implementing RESTful APIs, schema/versioning practices, and contract-first or OpenAPI-driven development Hands-on experience with secure coding and safe data handling Unit/integration testing (e.g., JUnit, Mockito) and ability to build effective ...

programming principles and software design patterns. Experience developing and consuming RESTful APIs. Familiarity with microservices architecture and associated technologies, including: Docker Kubernetes Swagger/OpenAPI Experience with source control systems such as Git. Understanding of software testing methodologies and automated testing practices. Knowledge of Agile delivery methodologies. Industry Experience ...

pragmatic technical designs. Required skills Skill Area Technologies/Capabilities Engineering leadership Java, Spring Boot, .NET or Node.js, microservices, REST APIs, event‐driven architectures, OpenAPI/Swagger, integration patterns Front‐end engineering Data & integration SQL, NoSQL, data integration, streaming/event platforms such as Kafka, API management, data quality ...

.Advanced knowledge of Java 17+ features and practical experience with Spring Boot. Skilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring REST MVC. Proficient in building and delivering enterprise-grade Java applications. Hands-on experience with data structures, algorithms, concurrency, and multi-threading. Database ...

.* Advanced knowledge of Java 17+ features and practical experience with Spring Boot.* Skilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring REST MVC.* Proficient in building and delivering enterprise-grade Java applications.* Hands-on experience with data structures, algorithms, concurrency, and multi-threading.Database ...

Java/Spring Boot, event‐driven systems using Kafka, and distributed caching technologies such as Redis or Hazelcast. Expertise in API architecture, RESTful services, OpenAPI/Swagger standards, and integration design patterns. Demonstrated experience implementing DevSecOps controls, including SAST, DAST, secrets management, and compliance automation. Excellent stakeholder management, technical ...

Java/Spring Boot, event‐driven systems using Kafka, and distributed caching technologies such as Redis or Hazelcast. Expertise in API architecture, RESTful services, OpenAPI/Swagger standards, and integration design patterns. Demonstrated experience implementing DevSecOps controls, including SAST, DAST, secrets management, and compliance automation. Excellent stakeholder management, technical ...

operational readiness. Design, build, and operate back‐end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components, and efficient state management. Design and maintain ...

Experience with Java and related frameworks (SpringBoot, Eclipse RCP, OData, Hibernate, JPA, REST, etc.) Backend development including REST APIs with Spring Boot, Swagger/OpenAPI specifications, Spring Security, OAuth2/OIDC, JWT. Git-based workflows and Gitlab CI/CD pipelines. Experience working in an Agile development environment (Scrum ...

operational readiness. Design, build, and operate back-end services using Java (Spring Boot) and/or Python (FastAPI/Flask), covering API design with OpenAPI, performance optimisation, and security controls. Develop modern user interfaces with React, focusing on accessible design, reusable components, and efficient state management. Design and maintain ...

Framework 6/Spring Boot 3.5 Hibernate ORM 6.6+, JPA Apache Tomcat 11, IntelliJ IDEA AI Tooling (Claude, Codex, Gitlab Duo, etc) REST APIs, OpenAPI, Microservices, Event-driven architecture (RabbitMQ) Containers, Docker, AWS, Linux CI/CD with GitLab Pipelines & Jenkins Observability: logging, metrics and monitoring MySQL, Apache Solr ...

delivering solutions within complex enterprise environments Desirable Skills Experience with any of the following would be advantageous: JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI SQL Shell Scripting Preferred Background Candidates from the following sectors are particularly welcome: Public Sector/Government Banking Financial Services Insurance Utilities Telecommunications Other ...

delivering solutions within complex enterprise environments Desirable Skills Experience with any of the following would be advantageous: JPA Kibana Maven Mockito AWS GitLab Helm OpenAPI SQL Shell Scripting Preferred Background Candidates from the following sectors are particularly welcome: Public Sector/Government Banking Financial Services Insurance Utilities Telecommunications Other ...

factor principles. Cloud‐related tools and services such as Docker, Kubernetes, ElasticSearch, log management systems, and Datadog APM. API specifications conforming to the OpenAPI (Swagger) standard. Large SQL databases (e.g., MySQL) for persistence; familiarity with SQL and complex queries. Infrastructure automation via Terraform and Docker, with knowledge of AWS. ...

strategies. Experience with Unit Testing tools such as Junit 5. Experience in using coding assistant tools, Gen AI and agentic AI skills Experience with OpenAPI Specification (OAS). Exposure to authentication frameworks like OIDC (Open Id Connect) and Authorisation frameworks OAuth2. Strong understanding of application security principles and best ...

strategies. Experience with Unit Testing tools such as Junit 5. Experience in using coding assistant tools, Gen AI and agentic AI skills Experience with OpenAPI Specification (OAS). Exposure to authentication frameworks like OIDC (Open Id Connect) and Authorisation frameworks OAuth2. Strong understanding of application security principles and best ...

Kotlin, Jetpack Compose) Backend development (Rust, Python or Go) Git and modern development workflows Docker + CI/CD pipelines API design (REST/OpenAPI) Working in secure or controlled environments Nice to have: AWS or Azure experience Kubernetes Agile delivery experience Secure coding awareness If you like building ...

environments. Adaptable and comfortable working across multiple priorities. Desirable Skills Java 17+ Spring Boot 3+ JPA/JDBC Kubernetes Microservices Helm AWS GraalVM Mockito OpenAPI gRPC/Protobuf Kibana & Grafana OAuth2/OpenID Connect WCAG Accessibility Standards Cucumber/Gherkin Selenium Sustainable Software Engineering practices If you receive suspicious ...

environments. Adaptable and comfortable working across multiple priorities. Desirable Skills Java 17+ Spring Boot 3+ JPA/JDBC Kubernetes Microservices Helm AWS GraalVM Mockito OpenAPI gRPC/Protobuf Kibana & Grafana OAuth2/OpenID Connect WCAG Accessibility Standards Cucumber/Gherkin Selenium Sustainable Software Engineering practices If you receive suspicious ...

engagement across business, engineering, and infrastructure teams Technical Skills Architecture & Design: Microservices, event-driven architecture, domain-driven design (DDD), layered architecture Integration: RESTful APIs, OpenAPI specs, messaging systems (Kafka, MQ), asynchronous processing Cloud & Infrastructure: Cloud-native design, containerisation (Docker, Kubernetes), CI/CD pipelines Data: Distributed data systems, RDBMS ...

peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search Technologies Relational Databases ...

peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search Technologies Relational Databases ...