Job Title: Technical Business Analyst Location: London ,UK (Hybrid) Job Type: Contract Job Summary We are seeking a Technical Business Analyst with strong experience in capturing business and technical requirements and translating them into detailed API specifications, particularly using JSON and Swagger/OpenAPI. The ideal candidate will act as a bridge between business stakeholders and development teams, ensuring clear, accurate, and testable interfaces for service integration and system communication. Key Responsibilities Work closely with stakeholders (product owners, developers, QA, and solution architects) to gather and document detailed functional and non-functional requirements. Create and manage API documentation using Swagger/OpenAPI standards. Design and review JSON-based interfaces for RESTful APIs and system integrations. Facilitate workshops and requirement-gathering sessions with technical and non-technical teams. Translate business needs into epics, user stories, and acceptance criteria using tools such as Jira, Confluence, or Azure DevOps. Validate that solutions meet business requirements through regular engagement with the development and QA teams. Support data mapping, interface contracts, and integration testing initiatives. Assist in defining service-level contracts and technical interface specifications (TIS). Ensure API documentation is version-controlled, discoverable, and up-to-date. Collaborate with DevOps teams to manage API lifecycle and deployment alignment. Key Skills & Qualifications Proven experience as a Technical Business Analyst, Systems Analyst, or API Business Analyst in Agile environments. Strong knowledge of RESTful API standards, JSON, and Swagger/OpenAPI specifications. Ability to write and review YAML or JSON-based Swagger files manually or using tools (e.g., SwaggerHub, Postman, Stoplight). Familiarity with API management platforms (e.g., Apigee, Azure API Management, AWS API Gateway). Understanding of HTTP methods, response codes, and common API security practices (OAuth, JWT, etc.). Excellent communication skills to interact with both business users and technical teams. Experience working with SDLC tools like Jira, Confluence, Git, and CI/CD pipelines is a plus. Strong attention to detail and problem-solving ability. Preferred Qualifications Bachelor’s degree in Computer Science, Information Systems, Engineering, or a related field. Certification in Business Analysis (e.g., CBAP, CCBA) or Agile methodologies (e.g., CSPO, CSM). Previous experience in cloud-native environments or microservices-based architectures. Tools & Technologies Swagger/OpenAPI, Postman, YAML/JSON Jira, Confluence, Azure DevOps API Gateway tools (Apigee, AWS API Gateway, Azure API Management) Git, CI/CD tools UML, Sequence Diagrams (nice to have)