About the role

Senior SDET focusing on automated testing for revenue-critical payment systems at Fullscript. Collaborating with engineers to enforce quality and streamline developer workflows.

Responsibilities

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 standards for high-reliability, revenue-critical systems

5+ years of experience in software engineering, SDET, or test automation roles
Proven experience designing and maintaining test automation frameworks at scale
Experience with API, integration, and end-to-end testing patterns
Strong understanding of CI/CD systems and test pipeline optimization
Experience improving test reliability, performance, and maintainability
Ability to design systems for testability (e.g., dependency injection, contract testing)
Experience working with distributed systems and understanding failure modes
Experience with payments, e-commerce, or financial systems (preferred)
Strong collaboration skills and ability to influence engineering practices

Generous PTO and competitive pay
Fullscript’s RRSP match program for financial health
Flexible benefits package and workplace wellness program
Training budget and company-wide learning initiatives
Discount on Fullscript catalog of products
Ability to work Wherever You Work Well*
*Our Wherever You Work Well philosophy means Fullscript teammates get to pick their own office — whether that’s in-office, at home, or a bit of both 🐶🏡