Senior SDET (Software Development Engineer in Test)

Fullscript

📍 ottawa, on, Canada

Full-time Other-General Posted June 10, 2026

Job Description

What You'll Do

  • Own the design, development, and maintenance of scalable automated test frameworks (Playwright, API, integration, end-to-end)
  • Build and operate reliable test infrastructure integrated into CI/CD pipelines
  • Drive test automation strategy, optimizing for coverage, speed, and signal quality
  • Identify systemic quality gaps and address them through tooling and engineering improvements
  • Partner with engineers to design systems for testability (e.g., observability, contracts, idempotency)
  • Write production-quality code for test systems, utilities, and supporting infrastructure
  • Improve developer experience by enabling fast, reliable feedback loops
  • Validate complex payment flows and external integrations (e.g., Stripe) through automation-first approaches
  • Lead root cause analysis for defects and implement systemic fixes to prevent recurrence
  • Define and enforce quality standa...