Senior Full Stack Engineer
Build and evolve full-stack systems powering causal inference marketing experiments. Own features across Python/Flask APIs, React frontends, and ad platform integrations while using AI tools to ship faster.
Senior Software Engineer
Builds and owns AI-powered systems for fraud and risk detection end-to-end, from backend architecture to UI. Requires 4+ years experience, strong fundamentals in React/Next.js, TypeScript, MySQL, ClickHouse, and ability to lead technical decisions at scale.
200k – 400kSan Francisco, CAFullstack EngineeringOnsite4+ YOE
About the role
Responsibilities
- Own product features and systems end-to-end, from architecture and implementation to launch and iteration
- Lead technical decisions across the stack, balancing speed, quality, maintainability, and scale
- Build AI-powered interfaces and decision systems that operate in real time with high precision and user trust
- Work directly with the founders on frontier problems in fraud, abuse, and risk
- Scale our product into new industries and workflows through rapid pilots, live demos, and fast feedback loops
- Improve engineering velocity by shaping internal tools, patterns, and standards
- Help define the technical foundation of the company as we grow
Requirements
- 4+ years of professional software engineering experience or equivalent
- Strong fundamentals and can ramp quickly in our stack: React/Next.js, TypeScript, MySQL, ClickHouse
- Care deeply about craftsmanship and have strong opinions about product quality, system design, and code quality
- Thrive in high-ownership environments and want to drive projects end-to-end, from backend architecture to polished UI to production
- Comfortable making pragmatic technical tradeoffs in ambiguous, fast-moving environments
- Experience building reliable systems at scale and debugging issues in production
- Enjoy collaborating closely with product, design, and leadership to turn fuzzy problems into shipped systems
- Raise the bar for the team through technical leadership, mentorship, and high standards
Compensation & Benefits
- Competitive salary and meaningful equity
- Platinum-level medical, dental, and vision insurance
- Unlimited PTO, sick leave, and parental leave
- Up to $100 in reimbursement for personal health & wellness expenses each month
- 401(k) plan
Skills
ReactNext.jsTypeScriptMySQLClickHouseJavaScriptSystem Design
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