Senior Product Engineer

Job Title: Senior Product Engineer Company: TestFactors Job Category: SAP SUCCESSFACTORS Roles & Responsibilities: TestFactors is a small team building the testing platform for SAP SuccessFactors. Enterprise HR and IT teams use us to manage test cycles, generate test scripts from their configuration, and run those scripts automatically against their SuccessFactors tenants. Responsibilities * Own a product area end to end: talk with customers and SuccessFactors consultants, turn their problem into a clear outcome, then ship it across our Rails API and React frontend * Improve AI test script generation, which turns customer configuration workbooks into test scripts using large language models, and prove each gain with benchmarks and grading, not opinion * Make our browser runner (Playwright) more reliable as it drives real SuccessFactors tenants across multiple roles, test data and approval chains, and make it explain clearly why a run failed * Deploy what you build, watch it in production, and handle incidents in your area, treating multi\-tenant access control, SOC 2 and penetration testing as part of the job * Keep the codebase healthy: AI coding agents write a large share of our code, and you'll be the judgment behind them, reviewing hard, simplifying, removing duplication, and saying no to complexity, including to the founder * SAP SuccessFactors experience (Employee Central, Position Management, role\-based permissions), from implementation, consulting or testing * Browser automation with Playwright or a similar tool, on complex enterprise apps * Evaluating LLM output: benchmarks, graders, prompt changes measured against a baseline * SOC 2, multi\-tenant security, or identity and SSO integrations * Experience on a small team or as an early engineer at a startup Work Location: Remote Work Location: Remote, Canada Availability: Full time

Benefits: Key Skills: SAP SuccessFactors, Employee Central Salary: Not disclosed