Harper
Product Engineer
San Francisco
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About the role
- You're a full-stack engineer with applied-AI fluency.
- Frontend, backend, agents, evals-you move across the stack because the problems don't respect stack boundaries.
- You treat AI tooling as a core part of the workflow, not a novelty.
Responsibilities
- you own the whole thing, not a slice
- Build systems that compound - Every decision gets traced
- manage multiple coding sessions to compress weeks into days
- Own the metric, not the feature - "We increased conversion by 15%," not "we shipped the thing"
Requirements
- Software engineering experience shipping production systems (level determined during interviews)
- Proficiency in Python, TypeScript, or similar
- Ability to work across the stack: frontend, backend, and the AI layer
Nice to have
- Voice AI or real-time systems experience
- RAG, agent frameworks, or evaluation systems
- Background in operations tooling, sales tech, or workflow automation
- Prior startup experience
- Based in SF or willing to relocate.
- Schedule: Monday-Friday, very early morning start, in-office five days a week.
- breakfast, lunch, and dinner provided
- snacks, drinks, and coffee daily
Compensation
- $140,000-$280,000 depending on experience + performance bonuses & equity
Benefits
- Uber commuter benefits; breakfast, lunch, and dinner provided; snacks, drinks, and coffee daily; free gym membership; health, dental, and vision insurance.
Company info
- We're adding ~1,000 customers per month.
- We're looking to do even more this year-and that's why we're hiring.
- We are hiring product engineers across all levels, which we determine during the interview process.
This listing is sourced directly from Harper's careers page and normalized into a canonical job model.