API Automation Tester Hybrid Working - Local Office - 2 days a week on site. Financial Services Lorien's leading banking client is looking for an API Automation Test Engineer with strong hands-on expertise in Rest Assured and Java to design, develop, execute and maintain automated API test cases for RESTful and SOAP services. The ideal candidate will have extensive hands-on experience with Rest Assured and Java , specifically designing, developing, executing and maintaining automated API test cases for RESTful and SOAP services. Strong API automation framework development experience is essential, alongside SQL and CI/CD knowledge. Financial Services experience would be advantageous. We are looking for someone who is Immediately Available with no notice period. This role is based in a Local Office. This role will be Via Umbrella. Working in a Hybrid Model of 2 days a week on site. Key Responsibilities Design, develop, execute and maintain API test cases for RESTful and SOAP services using Rest Assured (Java). Build and maintain API automation frameworks supporting functional, integration and regression testing. Develop reusable, data-driven automated test scripts using Java. Perform API response validation, including JSON/XML schemas, HTTP status codes, headers and payloads. Conduct backend database validation using SQL queries. Execute end-to-end API testing across upstream and downstream systems. Integrate automated API test suites into GitLab CI/CD pipelines. Perform API security testing, including OAuth/JWT authentication, authorisation and negative testing. Collaborate with developers, architects and product teams to identify defects and troubleshoot issues. Improve automation coverage, framework stability and testing efficiency. Essential Skills
API Automation Tester - Lorien employer: Lorien
As a leading employer in the Cyber Security sector, we offer an engaging work culture that prioritises collaboration and innovation. Our Stevenage location provides a dynamic environment where employees can thrive, with opportunities for professional growth and development, including support for further security clearances. Join us to be part of a team dedicated to countering cyber threats while enjoying competitive pay and a commitment to employee well-being.