Sapien
Product Engineer
$175K–$250K
Sapien HQ — NYC · On-site · Full-time · Posted Feb 4, 2026
- Education
- CS degree or equivalent experience.
About the job
Designs and builds polished frontend interfaces that make AI agents transparent, controllable, and useful for finance and operations teams.
What you'll do
- Design and implement interfaces and interaction patterns for AI workflows, verification, and human feedback.
- Prototype features, test them with customers, and iterate based on real usage.
- Create information hierarchies, design standards, and documentation for consistent interfaces.
What they ask for
- Product UX experience, including designing, testing, and iterating on features.
- Experience building or contributing to design systems.
- Frontend development experience with React and TypeScript.
- CS degree or equivalent experience.
Pay
$175K – $250K USD base salary
Tools
React, TypeScript
AI focus
Build interfaces for AI agents, including real-time workflows, agent operations transparency and control, verification systems, and human-in-the-loop feedback.
Model-written summary · the original posting is authoritative