SphereSan Francisco, CABuilds and owns new product lines like input tax and e-invoicing, plus mission-critical platform features like filing infrastructure and AI components using Python/Django. Ships high-impact features, works directly with customers, and mentors engineers in a fast-paced early-stage environment.
Senior Fullstack Engineer building AI-driven healthcare marketplace interfaces, clinical tools, and agentic workflows at Mochi Health. Own full lifecycle from DB schema to production React apps and reliability; 5-7+ years experience with complex state, data modeling, Kubernetes/Terraform/AWS, and AI coding tools required. 5 days/week onsite in SF.
Senior engineer to own end-to-end product features for a comprehensive US business and consumer identity graph, including data ingestion, entity resolution, schema design, multi-tenant APIs, and performance optimization at scale. Requires deep Postgres and async Python expertise plus production experience shipping ingestion-to-API features.
Build and scale Ads Manager, the UI platform and APIs advertisers use to create, manage, measure, and optimize campaigns. Requires 7+ years building high-scale systems with Python/FastAPI and TypeScript/React.
Software Engineer building the creative rendering and presentation layer for OpenAI’s ads ecosystem. Define and scale ad formats (text, image, video, native, conversational) across ChatGPT and other surfaces.
Builds core infrastructure, APIs, and user experiences for OpenAI's monetization and ads products. Architects scalable distributed systems, collaborates with product/design/research, requires 7+ years experience in high-scale systems.