22 of 22 OpenAPI Jobs in the UK excluding London

such as Django , Flask , FastAPI , Asyncio , Aiohttp , and SQLAlchemy to build scalable web applications. Develop and maintain RESTful APIs , WebSocket , and GraphQL services, ensuring comprehensive documentation with Swagger/OpenAPI . Manage and optimize databases, specifically PostgreSQL , NATS , Redis , and Min.IO . Leverage Microsoft Azure services, including Azure Functions , Azure KeyVault , Azure SQL Database , and Azure DevOps for cloud More ❯

Deep knowledge of RESTful API design, including best practices for resource modelling, pagination, and error handling. Proven experience with API versioning strategies, backward compatibility, and lifecycle management. Familiarity with OpenAPI/Swagger specifications and API documentation tooling. Solid understanding of API security, including OAuth2, API keys, scopes, JWT, and rate limiting. Strong testing experience, including contract testing, unit, integration More ❯

legacy systems and migrating to cloud-native platforms Solid grasp of AWS (API Gateway, Lambda, S3, VPC) Familiarity with Java, DB2, relational databases, and network concepts Desirable experience includes: OpenAPI schemas, Kubernetes, Spring Boot, JBOSS/EJB, Postgres, Python Prior work within UK government departments Ability to mentor and lead technical teams This is a key role in a More ❯

and other technical documentation Tech Stack Essentials: proficient in: AWS (API Gateway, S3, Lambda, VPC) Java DB2 Relational databases Network Concepts (Firewalls, domains, routing) Tech Stack Desirable: proficient in: OpenAPI Schemas Kubernetes (high level) Spring Boot JBOSS/EJB awareness Postgres Python (again for reading code primarily) Awareness of architecture design patterns Nice to have Knowledge of the land More ❯

and other technical documentation Tech Stack Essentials: proficient in: AWS (API Gateway, S3, Lambda, VPC) Java DB2 Relational databases Network Concepts (firewalls, domains, routing) Tech Stack Desirable: proficient in: OpenAPI Schemas Kubernetes (high level) Spring Boot JBOSS/EJB awareness Postgres Python (again for reading code primarily) Awareness of architecture design patterns Nice to have Knowledge of the land More ❯

Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯

Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯

Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good More ❯

distributed systems and cloud platforms. Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API Management). Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. Solid background in non-functional testing, including performance, security, and resilience testing. Capability in DevOps testing, with the ability to embed test automation into More ❯

and written) as this role is working with colleagues and clients to understand requirements, explain solutions and document clearly. Desired: Experience integrating with financial or ERP systems Swagger/OpenAPI documentation for Open APIs Familiarity with Azure services and automation tools like Power Automate or Zapier Exposure to IoT or Telematics platforms Awareness of ISO 27001, SOC 2, or More ❯

and deployment. Producing high-quality, user-focused software solutions. Contributing to technical architecture decision making. Core skills Languages: Node.js, TypeScript Front-end: Next.js and Vercel, Tailwind CSS Back-end: OpenAPI Infrastructure: AWS (ECR, ECS, Fargate, Elasticache/Redis, SQS, SES, Cognito, RDS, Bedrock, KMS, S3) Databases: MongoDB and PostgreSQL This is a hybrid role - 4 days per week in More ❯

and identify optimisation opportunities. Influence and guide product owners in Agile story writing and backlog refinement. A successful Technical Product Owner will have: Proven API product management experience (REST, OpenAPI, authentication methods). Strong backlog management and Agile delivery expertise (Scrum/Scaled Agile/SAFe). Excellent stakeholder management and communication skills. Experience in enterprise-scale organisations (not More ❯

a Technical Product Owner, ideally within Open Banking or financial services. Strong understanding of API product strategy, backlog management, and developer experience (DX). Hands-on knowledge of REST, OpenAPI specs, and authentication methods. Skilled in stakeholder communication, translating technical concepts into business outcomes. Experience with agile methodologies, ideally SAFe or Lean Portfolio Management. If this Technical Product Owner More ❯

and delivery. Strong background in backlog management and Agile story writing. Experience driving Developer Experience (DX) – documentation, onboarding, and support for API consumers. Desirable skills: Technical understanding of REST, OpenAPI specifications, and authentication methods . Skilled in stakeholder management and communication , translating technical solutions into business value. Exposure to Scaled Agile/SAFe, Lean Portfolio Management or Lean Product More ❯

and delivery. Strong background in backlog management and Agile story writing. Experience driving Developer Experience (DX) – documentation, onboarding, and support for API consumers. Desirable skills: Technical understanding of REST, OpenAPI specifications, and authentication methods . Skilled in stakeholder management and communication , translating technical solutions into business value. Exposure to Scaled Agile/SAFe, Lean Portfolio Management or Lean Product More ❯

and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯

and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯

and lifecycle management, including writing and prioritising user stories • Focused on Developer Experience (DX), ensuring clear documentation, onboarding, and versioning for API consumers • Knowledge of API technologies including REST, OpenAPI specs, and authentication methods • Excellent stakeholder management and communication skills, with the ability to translate technical solutions into business value • Familiarity with scaled agile frameworks such as SAFe, Lean More ❯

Lead Java Developer | Oxford - £120kJava, Springboot, Rest APIs, Microservices, TDD, DevOps, CI/CDA global leader in scientific publishing and data is hiring a Lead Java Engineer to lead the design and implementation of cloud-native & event-driven systems.With nearly More ❯

adapters such as JDBC, SAP, MQ, and Flat File for integration with external systems and databases. Create and consume RESTful and SOAP-based web services, including WSDL, Swagger/OpenAPI specifications, and API Gateway configurations. Develop error handling and logging frameworks to support robust system operations. Skills and Experience Proficiency with the webMethods Integration Suite, covering both webMethods.io and … expertise with webMethods adapters (JDBC, SAP, MQ, Flat File). Skilled in API Management and Web Services, with experience creating and consuming REST and SOAP services, WSDL, Swagger/OpenAPI, and API Gateway. Security Clearance This role requires Security Check (SC) clearance. Applicants must have resided continuously in the UK for the last 5 years and meet all eligibility More ❯

such as JDBC, SAP, MQ, and Flat File to enable integration with external systems and databases. Create and consume RESTful and SOAP-based web services, including WSDL, Swagger/OpenAPI specifications, and API Gateway configurations. Develop error handling and logging frameworks to support robust system operations. Skills and Experience Strong knowledge of the webMethods Integration Suite, both cloud and … and custom Java Services. Practical experience with adapters such as JDBC, SAP, MQ, and Flat File. Skilled in API management and web services, including REST, SOAP, WSDL, Swagger/OpenAPI, and API Gateway. Security Clearance This role requires Security Check (SC) clearance. To be eligible, applicants must have resided continuously in the UK for the last 5 years, without More ❯

such as JDBC, SAP, MQ, and Flat File to enable integration with external systems and databases. Create and consume RESTful and SOAP-based web services, including WSDL, Swagger/OpenAPI specifications, and API Gateway configurations. Develop error handling and logging frameworks to support robust system operations. Skills and Experience Strong knowledge of the webMethods Integration Suite, both cloud and … and custom Java Services. Practical experience with adapters such as JDBC, SAP, MQ, and Flat File. Skilled in API management and web services, including REST, SOAP, WSDL, Swagger/OpenAPI, and API Gateway. Security Clearance This role requires Security Check (SC) clearance. To be eligible, applicants must have resided continuously in the UK for the last 5 years, without More ❯