Founding Design Engineer
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Job Description
Windmill is building the future of performance.
Windmill is the first performance review system people actually like.
It uses AI to remember every 1:1, project milestone, and piece of feedback automatically so reviews take minutes, not days. Managers feel prepared, employees feel seen, and HR teams finally have a process everyone appreciates.
On average, reviews take 6 hours less per person, and 93% of employees report being satisfied with the process.
Learn more: gowindmill.com
We are NYC based and work together in person. If you are not open to relocating to New York, this is not the right opportunity.
The role
You will be our first Design Engineer. You move fluidly between Figma and production code. You turn vague problems into crisp flows, then into reliable components that ship. You care about taste, speed, and quality in equal measure.
What you will do
Own critical journeys end to end. Research, map flows, design in Figma, prototype in code, and ship.
Design and prototype AI chat experiences that feel fast, useful, and trustworthy.
Shape our Slack surfaces. Messages, modals, triage flows, and notifications that people rely on daily.
Improve key funnels. Onboarding, 1:1 prep, feedback routing, performance reviews, and calibration boards.
Instrument what you ship. Define success metrics, run quick experiments, and iterate with real data.
Work across the stack as needed to unblock great UI with simple APIs and data shapes.
What you have
4+ years designing and shipping software used by real customers.
Experience building B2B SaaS.
Experience with AI chat systems and conversational UX.
Mastery of Figma. Strong systems thinking, clean information architecture, responsive layouts, motion.
Strong front end engineering. React, TypeScript, modern CSS, accessibility, testing habits, performance instincts.
A portfolio and code samples that show your role, decisions, and outcomes.
Our stack today
React, TypeScript, Remix, Tailwind, Postgres, TipTap, Yjs, Slack platform.
How we work
Small team. High trust. Direct feedback.
Ship weekly. Measure and improve.
Prototypes over long specs.
Clear ownership with high standards for craft and velocity.
Compensation and location
Competitive salary and meaningful equity. Health, 401k, flexible time off. We work together in our NYC office and expect teammates to relocate within a reasonable time frame.
Automate your job search with Sonara.
Submit 10x as many applications with less effort than one manual application.