Gravity is looking to solve the problem of building an advertising network for AI chat, enabling advertisers to embed ads directly into relevant AI conversations, and scaling the network to support a large number of users and advertiser spend.
Requirements
- Exceptional proficiency building products full stack
- Strong experience with Python, Next.js, and React
- Experience with distributed systems and scaling infrastructure
- Familiarity with PostgreSQL, Redis, and vector embeddings
- Hands-on experience with LLMs and AI infrastructure
- Comfort operating in ambiguity and owning outcomes
Responsibilities
- Build and scale core backend infrastructure for real-time ad serving and bidding
- Own large parts of the frontend and backend codebase end to end
- Solve novel technical and product problems with high ambiguity
- Implement AI-powered features across the stack
- Design systems that scale with real production traffic
- Ship quickly, iterate daily, and make pragmatic decisions
- Work closely with the CEO on technical direction and execution
Other
- Default to action, value signal over noise, and move with urgency
- Strong communication and founder-level accountability
- Ability to work in a small, elite, fast-moving founding team
- Willingness to transition to on-site in San Francisco as the office is established
- Comfort with a flat hierarchy and real ownership
