
Senior Software Development Engineer in Test, SDET
Flex
full-time
Posted on:
Location Type: Remote
Location: New York • United States
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Salary
💰 $142,000 - $172,000 per year
Job Level
About the role
- Architect, implement, and optimize automated test frameworks for complex product areas, ensuring high reliability and maintainability
- Design, develop, and maintain robust automated test suites for API, UI, and integration testing
- Lead test strategy development and perform risk analysis for major features and systems
- Integrate automated testing into CI/CD pipelines, supporting continuous integration and delivery processes
- Proactively identify systemic quality issues and drive cross-team process improvements to increase coverage and efficiency
- Analyze test coverage, identify gaps, and implement solutions to improve product quality
- Collaborate closely with engineering, product, and quality leaders on cross-functional quality initiatives and release planning
- Provide technical guidance and mentorship to junior SDETs and QA team members, fostering skill development and best practices
- Review code and test cases contributed by other engineers for quality and maintainability
- Maintain accurate and actionable test documentation, reports, and quality metrics for assigned product areas
- Investigate and resolve complex defects and production issues through advanced debugging and root cause analysis
- Advocate for quality and champion adoption of best practices within and across engineering teams
- Proven ability to lead test strategy and risk analysis while making high-impact technical decisions amid ambiguity and prioritizing what matters most.
Requirements
- Bachelor’s degree in Computer Science or related field, or equivalent experience
- 4+ years of experience in software development and test automation
- Advanced proficiency in multiple programming languages and test automation frameworks
- Deep experience designing, building, and maintaining automation frameworks (e.g., Playwright, Cypress, Selenium, RestAssured)
- Strong expertise in API, UI, and integration testing
- Proficient in CI/CD pipeline integration and optimization
- Skilled in test strategy development, risk analysis, and test architecture
- Advanced debugging, troubleshooting, and root cause analysis
- Solid understanding of database systems and advanced SQL
- Experience with observability and monitoring tools (e.g., DataDog, NewRelic)
- Excellent cross-functional communication and mentorship skills
- Strong written and verbal communication skills; able to collaborate across functions.
Benefits
- Competitive medical, dental, and vision available from Day 1
- Company equity
- 401(k) plan with company match (our company match kicks off at the beginning of 2026)
- Unlimited paid time off + 13 company paid holidays
- Parental leave
- Flex Cares Program
- Free Flex subscription
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
test automationautomated test frameworksAPI testingUI testingintegration testingtest strategy developmentrisk analysisdebuggingSQLtest architecture
Soft Skills
cross-functional communicationmentorshipcollaborationleadershipproblem-solvingtechnical guidanceprocess improvementquality advocacydecision makingskill development