Senior Software Development Engineer in Test (SDET)

• 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.

Key qualifications

• Bachelor’s degree in Computer Science or related field, or equivalent experience

• 5+ 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

Compensation

Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks.

Tier 1 (NYC/Bay Area, Los Angeles, Seattle)

$136,000—$170,000 USD

Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta)

$122,400—$153,000 USD

Tier 3 (Salt Lake City, all other USA cities)

$115,600—$144,500 USD

Life at Flex

We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace.

Offices

Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program.

Benefits

For full-time U.S. employees we offer:

• Competitive medical, dental, and vision

• Company equity

• 401(k) plan with company match

• Unlimited paid time off + 13 company paid holidays

• Parental leave

• Free Flex subscription

For full-time non-U.S. employees, we offer:

• Competitive compensation + company equity

• Unlimited PTO

• QA & Testing

Source: Jobicy