Senior SDET (Software Development Engineer in Test)
About The Position
Fullscript is an industry-leading health technology company founded in 2011 with the mission to help people get better. The company provides a platform that powers every part of care, used by over 125,000 practitioners and 10 million patients. Fullscript builds tools that make care smarter and more human, saving time, simplifying decisions, and keeping practitioners connected to their patients. The Core Payments team is responsible for the revenue engine of Fullscript, owning the end-to-end e-commerce experience including cart, checkout, payments, taxes, discounts, payouts, and financial reporting. This role is for a Senior SDET to own the engineering of quality for these revenue-critical payment systems, focusing on building and evolving automated testing systems, improving developer workflows, and ensuring quality through engineering practices.
Requirements
- 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
- Strong collaboration skills and ability to influence engineering practices
Nice To Haves
- Experience with payments, e-commerce, or financial systems
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
Benefits
- 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 (in-office, at home, or a bit of both)
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
