Senior Software Engineer
Variance · San Francisco, California, US
Role At Variance, we are teaching machines to make the hardest judgement calls at scale. That means building AI agents for the high-precision gray-area of ri...
Job description
Role At Variance, we are teaching machines to make the hardest judgement calls at scale. That means building AI agents for the high-precision gray-area of risk investigations, fraud, and identity reviews. We’re a small, talent-dense team in San Francisco tackling problems that touch billions of events and entities. Our customers include Fortune 500 companies and global marketplaces, and we’re scaling systems that free millions of hours of human effort. We’re looking for a Senior Software Engineer who wants to own product and technical decisions end-to-end. You’ll work directly with the founders to build and scale AI-powered systems where precision, speed, and trust matter deeply. You’re a fit if you: Have 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 want to drive projects end-to-end, from backend architecture to polished UI to production Have strong fundamentals and can ramp quickly in our stack: React/Next.js, TypeScript, MySQL, and ClickHouse Are comfortable making pragmatic technical tradeoffs in ambig...