Own test automation and quality efforts for product areas at a growth-stage FinTech company focused on payment solutions.
Posted by employer 2 days ago
First seen on Joblaze 2 days ago
Last verified on the company career page 13 hours ago
Skills & Technologies
What you'll build
- Architect automated test frameworks
- Design automated test suites for API, UI, and integration testing
- Lead test strategy development
- Integrate automated testing into CI/CD pipelines
- Mentor junior SDETs and QA team members
Must have
- 5+ years of experience in software development and test automation
- Advanced proficiency in multiple programming languages and test automation frameworks
- Strong expertise in API, UI, and integration testing
- Proficient in CI/CD pipeline integration
- Solid understanding of database systems and advanced SQL
Nice to have
- Experience with observability and monitoring tools
Requirements
- Experience
- 5+ years
- Education
- Bachelor's degree
Not disclosed in this posting: visa sponsorship.
Joblaze summary
In the role of Senior Software Development Engineer in Test at Flex, the individual will focus on architecting and optimizing test automation frameworks while leading quality efforts for significant product features. Key skills include advanced proficiency in programming languages and test automation tools, alongside a strong background in API, UI, and integration testing. This position is ideal for experienced professionals with a solid understanding of CI/CD processes and a knack for mentoring junior team members. Flex's growth-stage environment encourages collaboration across diverse teams to enhance product quality.
Joblaze insights
- Listed 2 days ago — first seen on Joblaze October 15, 2026. Last confirmed on Flex's careers page October 17, 2026.
- This exact title is also open at 1 other location at Flex: Remote - Global.
- Salary band is below the typical range for QA roles (median ~$130,000).
- Starts above 38% of 37 comparable senior qa roles we track (median $135,000 across 25 companies).
- Playwright appears in 11.1% of 162 comparable senior qa roles; NewRelic appears in 0.6% of 162 comparable senior qa roles.
Quick facts
- Is the Senior Software Development Engineer in Test (SDET) role remote?
- Yes — Flex lists this as a fully remote position.
- What's the salary range?
- Flex lists $115,600–$170,000 for this role.
- How much experience is required?
- At least 5 years of relevant experience for this Senior Software Development Engineer in Test (SDET) role.
- What's the tech stack?
- Joblaze extracted these technologies from the posting: API, CI/CD, Cypress, Datadog, JavaScript, NewRelic.
- What seniority level is this role?
- Flex targets senior candidates for this position.
- Is this full-time or contract?
- Full-time for this Senior Software Development Engineer in Test (SDET) role at Flex.
From the original posting
Flex is a growth-stage, NYC headquartered FinTech company that is building the payment layer for life's essential bills, giving households one place to see, split, and pay their bills around how they live and get paid. By offering greater choice over how and when payments are made and allowing eligible on time payments to help build a positive credit history, Flex puts households back in control of their cash flow.
About the role
As a Senior SDET at Flex, you will own the test automation and quality efforts for entire product areas or major features. You will architect and optimize automation frameworks, lead test strategy for complex systems, and regularly collaborate across teams to deliver reliable and high-quality releases. This role offers the opportunity to mentor others, drive cross-functional quality improvements, and play a critical part in shaping the future of our engineering excellence.
What you’ll do
- 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.
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.
Life at Flex
Standard company text repeated across Flex's postings is omitted here.