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Founding Design Engineer

Happyrobot Inc.
San Francisco, CA

Apply Now

Job Details

Full-time
$160,000 - $220,000 a year

Benefits

Health insurance
Dental insurance
Vision insurance

Qualifications

Rapid prototyping
UX prototyping
Startup experience
Motion design
UI design systems
Collaboration with product development teams
Decision making
Next.js
Prototype creation
Product design
UI implementation
Front-end component implementation
Senior level
TypeScript
Prototypes

Full Job Description

About HappyRobot

HappyRobot is the infrastructure for enterprises to build and orchestrate AI workforces. Our AI workers don't just communicate - they make decisions, take action, and run operations autonomously across voice, email, and enterprise systems. Born in Y Combinator (S23) and backed by a16z and Base10 with over $60M raised, we power critical operations for global enterprises worldwide.

Our platform is battle-tested in the most demanding environments - where AI has real consequences. We started in logistics, built our own voice stack, models, and orchestration layer from the ground up, and are now bringing that infrastructure to every enterprise that runs the real economy. Learn more about our vision in our manifesto.

About the Role

As a Design Engineer at HappyRobot, you’ll sit at the intersection of product design and frontend engineering. You’ll own how our product looks, feels, and behaves from early concepts through polished, production-ready interfaces.

You’ll collaborate closely with product, design, and engineering to shape the product in real time and ship quickly.

If you enjoy building beautiful, intuitive interfaces and sweating details, but also care deeply about performance, maintainability, and real users then this role is for you.

What You’ll Do

Design and build high-quality, user-facing product experiences end-to-end
Translate product ideas and UX concepts into clean, production-ready frontend code
Own UI patterns, interaction design, and visual polish across the product
Collaborate closely with engineers, designers, and product managers in tight feedback loops
Rapidly prototype, iterate, and ship — balancing speed with craft
Help evolve our frontend architecture as the product scales

What We’re Looking For

Strong frontend engineering skills (TypeScript, React, Next.js)
Excellent visual and interaction design taste. You care about spacing, motion, hierarchy, and usability
Experience turning designs into real, shippable product
Product-minded: you think about user impact, tradeoffs, and outcomes
Comfortable working in ambiguity and making decisions without perfect specs
Bonus: experience working closely with designers or having a design background yourself

Nice to Have

Experience building shared component libraries
Motion, animation, or interaction-heavy UI experience
Startup experience or comfort in fast-changing environment

Why join us?

Opportunity to work at a high-growth AI startup, backed by top investors.
Rapidly growing and backed by top investors including a16z, Y Combinator, and Base10.
Ownership & Autonomy - Take full ownership of projects and ship fast.
Comprehensive Benefits - Healthcare, dental, vision coverage.
Top-Tier Compensation - Competitive salary + equity in a high-growth startup.
Work With the Best - Join a world-class team of engineers and builders.

Our Operating Principles

Extreme Ownership

We take full responsibility for our work, outcomes, and team success. No excuses, no blame-shifting — if something needs fixing, we own it and make it better. This means stepping up, even when it’s not “your job.” If a ball is dropped, we pick it up. If a customer is unhappy, we fix it. If a process is broken, we redesign it. We don’t wait for someone else to solve it — we lead with accountability and expect the same from those around us.

Craftsmanship

Putting care and intention into every task, striving for excellence, and taking deep ownership of the quality and outcome of your work. Craftsmanship means never settling for “just fine.” We sweat the details because details compound. Whether it’s a product feature, an internal doc, or a sales call — we treat it as a reflection of our standards. We aim to deliver jaw-dropping customer experiences by being curious, meticulous, and proud of what we build — even when nobody’s watching.

We are “majos”
Be friendly & have fun with your coworkers. Always be genuine & honest, but kind. “Majo” is our way of saying: be a good human. Be approachable, helpful, and warm. We’re building something ambitious, and it’s easier (and more fun) when we enjoy the ride together. We give feedback with kindness, challenge each other with respect, and celebrate wins together without ego.

Urgency with Focus
Create the highest impact in the shortest amount of time. Move fast, but in the right direction. We operate with speed because time is our most limited resource. But speed without focus is chaos. We prioritize ruthlessly, act decisively, and stay aligned. We aim for high leverage: the biggest results from the simplest, smartest actions. We’re running a high-speed marathon — not a sprint with no strategy.

Talent Density and Meritocracy
Hire only people who can raise the average; ‘exceptional performance is the passing grade.’ Ability trumps seniority. We believe the best teams are built on talent density — every hire should raise the bar. We reward contribution, not titles or tenure. We give ownership to those who earn it, and we all hold each other to a high standard. A-players want to work with other A-players — that’s how we win.

First-Principles Thinking
Strip a problem to physics-level facts, ignore industry dogma, rebuild the solution from scratch. We don’t copy-paste solutions. We go back to basics, ask why things are the way they are, and rebuild from the ground up if needed. This mindset pushes us to innovate, challenge stale assumptions, and move faster than incumbents. It’s how we build what others think is impossible.

Compensation Range: $160K - $220K

Apply Now

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