SDET API with Python

📌 We’re looking for an experienced Software Development Engineer in Test to join a fast-paced, high-impact project in the financial / payments domain. Contract: B2B 📍 Work Mode: Hybrid 3 days from Warsaw/Gdansk office Contract duration: Minimum 6 months and will be extended Expected start date: Immediate Job Description: Mid-senior test automation engineer who can take ownership of quality for a complex, backend-heavy product area in Treasury Test Engineering. The role is automation-first: the person should be comfortable driving a high automation ratio (roughly 80% automation / 10–20% manual where needed) and continuously improving reliability, coverage, and feedback speed in CI/CD. Technical skills (must-have): • Strong Python for test automation; writes clean, maintainable test code and utilities . • Solid API/backend testing skills with Pytest ( fixtures, parametrization, assertions, test organization); can design robust automated coverage for business flows, including integration/interface testing with partner systems/teams. • CI/CD experience (e.g., Jenkins or similar): can integrate tests into pipelines, troubleshoot flaky runs, improve reporting, and keep pipelines healthy. • Comfortable debugging failures end-to-end (logs, root cause analysis, reproductions) and using standard debugging tools; can analyze issues and validate assumptions quickly. • Linux familiarity (shell, environment/debugging basics) and SQL basics for data validation and troubleshooting. Roles and Responsibilities post joining: • Ownership & proactivity: spots gaps in coverage, stability, or process and drives improvements without being asked; follows through to completion. • Clear communication: writes concise updates, defects, and test notes; can explain failures and risk clearly to engineers and stakeholders. • Collaboration: works effectively with Dev/DevOps/Product in agile teams, participates in design discussions and contributes to quality strategy. • Quality-first mindset: challenges assumptions, prioritizes customer impact and reliability, and balances speed with robustness. Qualification and experience: Mid Level – 3–4 years of relevant experience Mandatory skills: • Strong Python for test automation • Solid API/backend testing skills with Pytest • CI/CD experience • Linux familiarity Desired skills: • UI test automation with Playwright (page objects, stable selectors, handling async/flakiness) – UI is a plus, backend/API is priority • Experience testing modern services (REST/microservices) • Practical use of GenAI tools to accelerate test development while maintaining quality Benefits ✅ Stable long-term cooperation with opportunity for extension Opportunity to work with modern technologies in an international environment Professional growth and continuous development opportunities Participation in challenging and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at [email protected]