Senior Full Stack Engineer
H Company develops computer-use AI agents, models, and enterprise automation products.
Maintainer signals as of 9/25/2026
Funding history
About H Company
H Company is a Paris-founded AI company offering a full-stack platform for deploying action-oriented agents across enterprise systems, alongside Holo models, APIs, and browser/desktop agent tools.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will build the web application and browser extension used to deploy, monitor, steer, and replay agent activity. You will design live and replay interfaces, work with asynchronous UI data, make Python API changes needed by features, establish shared component patterns, and improve long-running workflow deployment and monitoring.
Requirements
- React
- TypeScript
- API
- concurrency
- asynchronous data
- interface design
- Python
- Chrome extension
- Chrome DevTools Protocol
- streaming
- SSE
- WebSocket
- design system
- component library
- FastAPI
- Preact
- Vite
Responsibilities
- Build the H Platform web application
- Build and improve the HoloTab extension
- Design live run and replay interfaces
- Change Python APIs behind features
- Set shared component patterns
- Make long-running workflows easier to deploy and monitor
Hiring Process
30-minute Talent call, 60-minute coding interview, approximately two-hour take-home front-end exercise with a 45-minute review, and closing 30-minute conversation.
