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Sopra Steria Logo Sopra Steria · IT - Software Development

Senior Test Engineer (API)

Poland, Katowice Employment contract, B2B 12000.00 - 16000.00 PLN / Month · Job Posted April 27, 2026
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Job Description

We are looking for Senior Test Engineer (API) to join Sopra Steria Polska for a team that is responsible for ensuring the quality, stability, and compatibility of API interfaces. The role focuses on applying consumer- and provider-driven contract testing to enable the independent evolution of services without introducing regressions for consuming or providing systems. You will work in an Oracle Linux environment with applications deployed on Oracle WebLogic Server, where contract tests are a core component of the CI/CD delivery pipeline. In addition, the role involves modernizing legacy test solutions, including tests based on Excel files with VBA macros, and migrating them to scalable, maintainable, and fully automated testing solutions. Note that we can only offer cooperation to people who are located in Poland and have EU citizenship.

Job Responsibility

  • Design, implement, and maintain API contracts
  • Develop and execute Contract Based Tests (Consumer driven contracts, Provider side contract verification)
  • Validate API implementations deployed on Oracle WebLogic Server
  • Integrate contract and API tests into CI/CD pipelines
  • Test REST APIs hosted on WebLogic for: correct request/response schemas, backward compatibility, error handling and exception mapping
  • Analyze and report contract violations and test failures
  • Collaborate closely with: API and middleware development teams, consuming teams, WebLogic and DevOps engineers
  • Work with and manage test environments on Oracle Linux
  • Support testing across multiple WebLogic domains and environments (DEV, TST, ACC, PRD)
  • Document contracts, test logic, and findings clearly
  • Inventory and analyze existing Excel based test suites with VBA macros
  • Assess quality, coverage, maintainability, and risks of legacy Excel tests
  • Translate Excel/VBA based tests into: API tests targeting WebLogic hosted services, Contract Based Tests, Automated tests suitable for CI/CD
  • Migrate test data from Excel to: JSON or YAML files, structured test data sources, test fixtures
  • Ensure functional equivalence between legacy Excel tests and new automated tests
  • Gradually phase out Excel/VBA as a testing tool
  • Coach teams in transitioning from Excel driven testing to automated API and contract testing

Requirements

  • Proven experience with Contract Based Testing (consumer driven contracts, contract versioning strategies)
  • Strong experience in API testing: REST, HTTP methods, status codes, JSON
  • Experience with contract testing tools such as: Pact, Spring Cloud Contract, or similar
  • Hands on experience with Oracle WebLogic Server
  • testing services deployed on WebLogic
  • understanding of domains, managed servers, clusters
  • basic familiarity with WebLogic logging and diagnostics
  • Experience working with Oracle Linux
  • command line usage
  • log analysis
  • basic shell scripting
  • Solid understanding of CI/CD concepts: integrating tests into pipelines (e.g. Jenkins, GitLab CI, Azure DevOps)
  • Version control using Git
  • Fluent English: B2/C1
  • Being open to occasional business trips abroad and visits in our office in Katowice

What we offer

  • Luxmed
  • Medicover Sport
  • Worksmile
  • educational platforms
  • languages learning platform
  • referral bonus
  • copyrights
  • life insurance
  • workation
  • certifications (paid by the company)
  • conferences
  • Tech Lunches
  • possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud)
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