Founding Design EngineerTT

Were looking for a Founding Design Engineer to own the full product experience of a personal AI agent from the first prototypes through to production on web and iOS. This is a rare hybrid role: youll design interfaces in Figma and then build them yourself in TypeScript React and . Youll care deeply about the details that make a product feel great like typography motion and interaction design while still moving fast and shipping often. As the first design engineer youll set the visual and interaction standards the product grows on. Youll work in-person with the founding team in Warsaw and have a direct say in what gets built and how it feels. Its a great fit for someone with strong product taste solid engineering skills and a preference for quick iteration over rigid processes.

Details:
Schedule: Full time
Location: Warsaw Poland (Onsite)
Start: ASAP
Duration: Long-term
English: Fluent
Polish: Fluent (required) - MUST
Type of collaboration: Internal Employment

About the project:
The company is a pre-seed startup building a personal AI agent that takes care of everyday tasks and acts on the users behalf. It was founded by a serial entrepreneur with a successful exit behind them. The team is bringing a Silicon Valley startup culture to Warsaw: small ambitious and focused on speed and ownership. The product is available on both web and iOS and the user experience is at the heart of what makes it work. As an early hire youll help shape the product from its earliest stages and grow with the company. This is a chance to define how people interact with personal AI agents and to build it from the ground up.

You have:
- Mid-senior level experience owning product experiences end-to-end (junior profiles wont be a fit)
- Production interfaces youve shipped that show both UI/UX design and frontend engineering skills
- Professional experience with TypeScript React and
- Professional experience designing and prototyping in Figma
- Strong product taste and real attention to typography motion and interaction details
- Ability to balance polish with speed and to iterate quickly
- Fluent Polish (required for team communication) and fluent English
- Willingness to work fully on-site in Warsaw
- Nice to have: experience building iOS apps with SwiftUI
- Nice to have: experience with the Vercel AI SDK and AI Gateway
- Nice to have: previous experience in an early-stage fast-paced startup

What to do:
- Own the product experience across web and iOS from early concepts to production
- Design flows screens and interactions in Figma and prototype ideas quickly
- Build the interfaces yourself in TypeScript React and
- Contribute to the iOS app using SwiftUI
- Set the standards for typography motion and visual quality across the product
- Design and build intuitive interfaces for an AI agent that acts on users behalf
- Work closely with the founders and engineers to decide what to build and ship it fast
- Iterate based on user feedback and keep improving the overall product experience