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Senior Test Engineer (API)

Katowice, pl💼 Full-time💰 $144,000–$192,000🗓 2026-06-19 → 2026-07-31

Core

Design, implement, and maintain API contracts and execute contract-based tests to ensure quality, stability, and compatibility of API interfaces, specifically migrating legacy Excel/VBA test suites to automated solutions.

Role type

Senior Test Engineer (API)

Builds

Automated API tests and contract verification pipelines for services deployed on Oracle WebLogic Server

Domain

Enterprise Application Services / API Testing

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Contract Based Testing (Consumer/Provider), REST API testing, Oracle WebLogic Server, Oracle Linux, CI/CD integration, Git, JSON/YAML, Shell scripting

Preferred skills

Pact, Spring Cloud Contract, legacy Excel/VBA migration, test data management (JSON/YAML fixtures)

Technologies

REST APIs, Oracle WebLogic Server, Oracle Linux, Jenkins, GitLab CI, Azure DevOps, Pact, Spring Cloud Contract, JSON, YAML

Responsibilities

Design and maintain API contracts; Develop and execute Consumer-driven and Provider-side contract tests; Validate API implementations on Oracle WebLogic; Integrate tests into CI/CD pipelines; Migrate legacy Excel/VBA test suites to automated API tests; Analyze contract violations and test failures; Coach teams on transitioning from Excel-driven to automated testing.

Seniority

Senior, hands-on IC

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