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VarianceVarianceSan Francisco, CA

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 – 400k/yr
On-site4+ YOEFullstack Engineering

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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