8 of 8 OpenAPI Jobs in Central London

or lending space. Exposure to domain-driven design (DDD) and event-driven architecture. Knowledge of testing frameworks (JUnit, Mockito) and API documentation (Swagger/OpenAPI). If you’re passionate about writing clean, efficient Java code and want to help build the next generation of business finance tools, please More ❯

implementing microservices Hands-on experience with AWS Serverless services: Lambda, API Gateway, S3, DynamoDB, SQS, SNS, etc. Proficient in RESTful API design , JSON, and OpenAPI/Swagger specifications Experience with asynchronous programming in Python (e.g., asyncio, aiohttp, FastAPI) Knowledge of CI/CD tools (e.g., GitHub Actions, Jenkins, CodePipeline More ❯

patterns API Development Building and maintaining RESTful APIs Solid understanding of HTTP protocols, status codes, headers, etc. API documentation using tools like Swagger/OpenAPI Legacy Systems Exposure to or experience with WCF services — we still support some older systems, so comfort working with a mix of modern and More ❯

Contribute to distributed, event-driven backend services connecting our web experience with information from remote devices and external data sources. Build and document APIs (OpenAPI/AsyncAPI) for mobile and web clients Model and manage structured and semi-structured data across storage layers Integrate AI-driven personalisation and real More ❯

a focus on clean architecture and resilience. Model data in PostgreSQL , own schema migrations with Liquibase , and access data through jOOQ . Treat the OpenAPI contract as the single source of truth. Co-author, review and enforce it across teams, automate server/client generation. Practice shift-left testing … similar tools for type-safe data access. Comfortable writing tests (JUnit, Testcontainers, MockMVC) and using code-coverage metrics to guide improvements. Hands-on with OpenAPI/Protobuf and code-generation workflows; you value strongly typed contracts between services and UI. Familiar with GitHub and GitHub Actions (or similar) for More ❯

Insights, Log Analytics, and Redis services Provide expertise on the best Azure hosting models (Functions, Container Apps, App Services) Establish governance for Swagger/OpenAPI-first API lifecycle management Develop and maintain Infrastructure-as-Code templates (ARM/Bicep/Terraform) Create onboarding documentation and runbooks to support a … Azure Functions, API Management, and secure deployment practices Proven experience in setting up and managing secure, multi-environment DevOps tooling Expertise in Swagger/OpenAPI-first design and CI/CD pipeline integration Experience supporting or enabling outsourced development teams Familiarity with the insurance, fintech, or other regulated sectors More ❯

of £650 - £700 p/d. Hybrid role in London office. Key Responsibilities: Lead the implementation of Azure cloud platform Develop robust APIs using OpenAPI, JSON, and Azure Integration Services (Logic Apps, API Management, Service Bus) Write clean, maintainable code in C#/.NET for cloud-native applications and … Azure, particularly Azure integration services Proven track record of leading Azure solution implementations in enterprise environments Strong expertise in API design and integration, including OpenAPI/Swagger, JSON, and RESTful services Solid experience with C#/.NET for backend development and integration Deep understanding of Infrastructure as Code using More ❯

of £650 - £700 p/d. Hybrid role in London office. Key Responsibilities: Lead the implementation of Azure cloud platform Develop robust APIs using OpenAPI, JSON, and Azure Integration Services (Logic Apps, API Management, Service Bus). Write clean, maintainable code in C#/.NET for cloud-native applications … Azure, particularly Azure integration services Proven track record of leading Azure solution implementations in enterprise environments. Strong expertise in API design and integration, including OpenAPI/Swagger, JSON, and RESTful services. Solid experience with C#/.NET for backend development and integration. Deep understanding of Infrastructure as Code using More ❯