Software Engineer

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 several Fortune 500s, global marketplaces, and regulated financial services. If you thrive on extreme ownership, moving fast, and working directly with founders, you’ll feel at home here.

Have 1-3 years of experience of professional software engineering experience

Care deeply about craftsmanship and have strong opinions about building high-quality products

Are comfortable with our tech stack: React/Next.js, TypeScript , MySQL, and ClickHouse for agent context, though we value strong fundamentals over experience with any specific technology

Enjoy owning features end-to-end, from backend systems to polished UI to production

Thrive in fast-moving environments with short iteration cycles and a high degree of responsibility

Are excited by the prospect of building AI interfaces for high-stakes decisions that protect people from fraud, scams, and abuse

Build and ship features end-to-end with iteration cycles measured in hours, not quarters

Work across the stack to turn ambiguous problems into reliable product experiences

Partner directly with the founders on massive-scale, frontier problems

Scale our product into new industries and workflows through fast pilots and live demos

Design systems where AI must decide in real time, balancing precision, speed, and user trust