Senior Test Engineer (API) Job at Sopra Steria (Katowice)

Senior Test Engineer (API)

Sopra Steria

Location:
Poland , Katowice

Category:
IT - Software Development

Contract Type:
Employment contract, B2B

Salary:

12000.00 - 16000.00 PLN / Month ▼

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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)

Additional Information:

Job Posted:
April 27, 2026

Employment Type:

Fulltime

Work Type:

On-site work

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