BillionToOne

Posted 1 week, 2 days ago

Roles

Senior AI Engineer Senior Software Engineer - Digital Experiences (Oncology and Prenatal) Senior Software Engineer - Prenatal Senior Software Engineer - Oncology Senior Software Engineer

Compensation Summary

$280K - $307K total compensation + equity; benefits include access to AI tools with unlimited usage, 100% paid medical on select plans, 16 weeks fully paid parental leave, 401(k) with 4% match, daily catered lunch, on-site gym; publicly traded and GAAP profitable

Tech Stack

React Postgres Django GitHub Copilot Kafka Python CircleCI AWS Datadog Typescript Terraform Claude Code Docker Cursor

Locations

Menlo Park, CA (Hybrid 2-3 days/week)

Description

BillionToOne builds molecular diagnostics detecting disease at the single-molecule level (prenatal and oncology). Over 1M tests processed; revenue growth to ~$300M and guiding $415-430M for 2026; publicly traded and GAAP profitable. Hiring multiple senior software roles to work with clinicians and computational biologists on problems including scaling genomic pipelines, building digital infrastructure for complex test results, and shipping high-correctness systems. Hybrid role based in Menlo Park, CA (2-3 days/week on-site).