Senior Software Development Engineer in Test (SDET)

Svitla Systems Inc. is looking for a Senior Software Development Engineer in Test (SDET) for a full-time position (40 hours per week) in Europe. Our client is a reputable leader in creating cutting-edge utility software and technology, providing solutions that encompass consumer billing and finance as well as IT, GIS, advanced analytics, cybersecurity, and operations.

Requirements:

• 7+ years in software testing with a strong emphasis on automation engineering.

• Advanced C# skills required; experience writing test code, libraries, and utilities.

• Proven Playwright expertise; experience with Selenium or similar tools is a plus.

• Demonstrated ability to build and scale automation frameworks from the ground up.

• Hands-on API testing experience using code (REST/GraphQL); familiarity with contract testing.

• Deep experience integrating tests into CI/CD (Jenkins, GitLab CI/CD) and configuring pipelines for test execution.

• Comfortable in Linux and Windows environments.

• Familiar with containerization and cloud test environments (Docker, AWS/Azure/GCP).

• Strong debugging skills: log analysis, root cause, and flaky test mitigation.

• Excellent communication and ability to present technical trade-offs and metrics to leadership.

• Bachelor’s degree in CS/IT or equivalent experience.

Responsibilities:

• Framework Architecture: Design, implement, and evolve automation frameworks from scratch using C# and Playwright; ensure maintainability, modularity, and reusability.

• Test Engineering: Develop unit, integration, API, and UI tests in code; create test harnesses and mocks; ensure tests are deterministic and fast.

• CI/CD Integration: Embed automated tests into CI/CD pipelines (Jenkins, GitLab CI/CD); implement quality gates, parallel execution, and test reporting.

• Automation Strategy: Drive automation roadmap to increase coverage from current ~10% to target levels; prioritize test types by risk and ROI.

• Performance and Nonfunctional Testing: Define and automate performance, reliability, and security checks where applicable.

• Metrics and Reporting: Define automation KPIs (coverage, flakiness, execution time, escaped defects); present metrics to engineering leadership.

• Technical Mentorship: Mentor engineers and QA on test-driven development, test design patterns, and code review for tests.

• Cross-Functional Collaboration: Work closely with developers, architects, and DevOps to shift-left testing and reduce manual handoffs.

We offer:

• US and EU projects based on advanced technologies.

• Competitive compensation based on skills and experience.

• Regular performance appraisals to support your growth.

• Flexibility in workspace, either remote or our welcoming office.

• Bonuses for article writing, public talks, and other activities.

• Generous time off, including vacation, national holidays, sick leaves, and family days.

• Personalized learning programs tailored to your interests and skill development.

• Free tech webinars and meetups organized by Svitla.

• Regular corporate online activities.

• Awesome team and a friendly, supportive community!