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Senior Software Engineer

Variance· Engineering
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Hybrid (San Francisco)$0Full-timePosted 4mo ago

About the role

Senior Software Engineer role at Variance to own product and technical decisions end-to-end, building AI-powered systems for fraud review, risk, and identity investigations. In-person in San Francisco, collaborating with founders, product, design, and leadership to ship high-quality, scalable solutions.

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

Qualifications

  • 4+ years of professional software engineering experience or equivalent
  • Care deeply about craftsmanship and have strong opinions about product quality, system design, and code quality
  • Thrive in high-ownership environments and drive projects end-to-end, from backend architecture to polished UI to production
  • Strong fundamentals and ramp quickly in stack: React/Next.js, TypeScript, MySQL, and ClickHouse
  • Comfortable making pragmatic technical tradeoffs in ambiguous, fast-moving environments
  • Experience building reliable systems at scale and debugging production issues
  • 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

Skills

Required:React/Next.jsTypeScriptMySQLClickHouse

Benefits

  • Competitive salary and meaningful equity
  • Health care: 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
Last updated Sep 23, 2026. Interested? Apply on the company site.
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About Variance

World-Class Tooling for Trust & Safety teams

Build safer platforms with Intrinsic. Get access to the best safety technologies from one unified API. Enable your Trust & Safety team to tell cohesive stories from policy to product, to enforcement. Michael and Karine first met two years ago at Apple’s Fraud Engineering, Algorithmic Risk team, which evolved to become Apple’s Trust & Safety function. We are both engineers and helped solve online abuse problems, including spam, botting, account security, and developer fraud for Apple’s customer base of over a billion users.

compliancecybersecurityenterprise-softwaretrust-&-safetyai
Company profileWebsite

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