Senior QA (Java)

Description

Role Overview The Senior QA Engineer (REST API) is responsible for ensuring the quality, reliability, and stability of backend services through automated API testing. The role focuses on test strategy, automation framework development, CI/CD integration, and collaboration with engineering teams to prevent regressions and breaking API changes. Must‑Have Skills & Experience 5-8+ years of experience in QA / Quality Engineering with a strong focus on test automation. Strong Java expertise, including core Java, collections, OOP principles, and design patterns. Proven hands‑on experience in REST API testing using RestAssured or equivalent frameworks. Strong understanding of JSON/XML, request/response validation, HTTP status codes, and schema validation. Experience managing API test data and environment configurations. Experience using TestNG / JUnit and Maven / Gradle for test execution and dependency management. Strong understanding of CI/CD pipelines using GitHub Actions or GitLab, including automated test execution and reporting. Proficiency in Git, including version control, branching strategies, code reviews, and quality gate enforcement. Excellent communication skills with the ability to collaborate with developers and other stakeholders. Nice to Have Experience with contract testing and API documentation using OpenAPI / Swagger. Exposure to performance testing tools such as JMeter or Gatling for API baseline validation. Understanding of observability concepts such as logs, metrics, and traces. Tools & Technologies Java, RestAssured, Postman, TestNG, JUnit, Maven, Gradle, Git, GitHub Actions, GitLab, OpenAPI / Swagger, JMeter, Gatling, Jira, Confluence

Skills

• java
• restassured
• TestNG
• Junit
• jira
• playwright

Job Title: Senior QA (Java)

Location: Nottingham, UK

Job Type: Contract

Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Notice available at https://www.allegisgroup.com/en-gb/-notices.

To access our Online Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to https://www.allegisgroup.com/en-gb/-notices.

We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your rights, please visit the "Contacting Us" section of our Online Notice at https://www.allegisgroup.com/en-gb/-notices for details on how to contact us. To protect your and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Shield or the Swiss-U.S. Shield.