Senior Test Engineer (API)

Sopra Steria is one of the largest players in the tech industry in Europe, known for its consulting, digital services and software development. We operate in nearly 30 countries in the world, hiring more than 55,000 employees.
The Polish branch, as the Global Delivery Center, operates in Katowice since 2007 and has been growing ever since. Currently, our team consists of around 1,000 specialists.

Within the Digital Platform Services department, our teams specialize in areas such as cloud, operating systems, virtualization, databases, backup or storage, as well as networking and security. We also have 1st line support consultants who speak French and English, but also Italian, Spanish, Portuguese and German.

The Application Services department is responsible for areas such as software development, data engineering, testing services, CRM, ITSM and ERP platform integrations, as well as application management for customers in Scandinavia, Benelux, France, Germany, Switzerland and the UK.

We are looking for Senior Test Engineer (API) to join Sopra Steria Polska for a team that is responsi-ble 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.

Responsibilities:​

• 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

Tech stack on the project:​

• REST APIs
• API Contract Testing (Consumer‑Driven & Provider Verification)
• Oracle WebLogic Server
• Oracle Linux
• JSON / YAML
• Excel & VBA (legacy, migration)

Must have 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:
• BENEFITS (UoP): Luxmed, Medicover Sport, Worksmile, educational platforms, languages learning platform, referral bonus, copyrights, life insurance, workation
• DEVELOPMENT OPPORTUNITIES (UoP and B2B): certifications (paid by the company), conferences, Tech Lunches, possibility to join our Communities (Project Management, Architecture, Security, Process Management, Leadership, AI and Cloud)

The recruitment process for this position consists of 3 stages:

• a short phone call with a recruiter (30 min max)
• one-hour long interview on Teams (with both general and technical questions)
•  client interview

Salary range:

UOP: 12 000-16 000 PLN gross/month.

B2B: 100-140 PLN net/h

All information about salary range and its additional components will be provided during the 1st stage of recruitment process.

At our organization, we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences.