Design Engineer

Posted 5 Days Ago
Be an Early Applicant
San Francisco, CA, USA
In-Office
170K-230K Annually
Entry level
Artificial Intelligence • Machine Learning • Software • Infrastructure as a Service (IaaS)
The Role
Build the user interface for an AI-agent infrastructure platform. Responsibilities center on developing high-quality React and TypeScript applications, applying responsive and accessible design, optimizing core web vitals and bundling, and making informed decisions about rendering, streaming, loading states, and modern web technologies. The role values strong product taste, attention to detail, independence, rapid learning, and effective use of AI coding tools.
Summary Generated by Built In
Design Engineer @ Dedalus Labs

Mission

Dedalus Labs is an AI research neolab building infrastructure for AI agents.

We are looking for a design engineer who wants to build the UI for the platform that will power the AI agents of the future.

 
You might be a fit if you
  • Are obsessive about user experience.

  • Measure thrice, cut once.

  • Sweat the small details.

  • Believe great products are built from millions of tiny perfected parts.

  • Live at the bleeding edge of web and browser technology.

  • Have strong opinions about frameworks, languages, rendering models, and where the web is going.

  • Think the internet should be faster.

  • Have shipped amazing work.

  • Understand why a spring beats a tween.

  • Care about optimal bundling strategies.

  • View software engineering as simply moving typed data around.

  • Believe actions speak louder than words.

  • Are high agency and fiercely independent.

  • Say how things ought to be built, then build them.

  • Are a competitive teammate with a heart of gold.

  • Are hungry to learn, improve, and reflect deeply on feedback.

  • Go above and beyond in everything you do.

 
What we look for
  • Fluency with AI coding tools.

  • Deep expertise in React and TypeScript.

  • Experience with web frameworks like Next.js, Vite, or Remix.

  • Wizardry with styling libraries like Tailwind CSS.

  • Strong instincts in responsive design and motioning patterns.

  • Performance-pilled engineers with exceptional core web vitals instincts.

  • Good judgment around RSC, streaming, and loading states.

  • Responsive, accessible work.

  • Modern CSS you are a little smug about.

 
Nice-to-have
  • Experience with Motion, GSAP, View Transitions, WebGL, Three.js, React Three Fiber, or similar tools.

  • High-performance tooling, e.g. Vite+, the oxc stack, etc.

  • Canvas, shaders, GLSL, or WebGPU.

  • Open-source contributions we can look at.

  • Tools or techniques we have not heard of yet.

  • Experience writing APIs.

  • Comfort with Supabase or a similar database.

  • Strong knowledge of types.

  • Interest in category theory.

 
Taste

You know what good looks like.

 
Logistics
  • In person in San Francisco.

  • Remote considered case by case for exceptional applicants.

  • We sponsor visas.

 
Tips

The first thing we look at is your GitHub and your personal website. Show us the best version of yourself!

Skills Required

  • Fluency with AI coding tools
  • Deep expertise in React and TypeScript
  • Experience with Next.js, Vite, Remix, or similar web frameworks
  • Experience with Tailwind CSS or similar styling libraries
  • Strong responsive design and web motion instincts
  • Strong core web vitals and web performance instincts
  • Good judgment around React Server Components, streaming, and loading states
  • Ability to build responsive and accessible interfaces
  • Strong knowledge of modern CSS
  • Experience shipping high-quality software or product work
  • Experience with Motion, GSAP, View Transitions, WebGL, Three.js, React Three Fiber, or similar tools
  • Experience with high-performance tooling such as Vite+ or the oxc stack
  • Experience with Canvas, shaders, GLSL, or WebGPU
  • Open-source contributions
  • Experience writing APIs
  • Familiarity with Supabase or a similar database
  • Strong knowledge of types
  • Interest in category theory
Am I A Good Fit?
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The Company
9 Employees

What We Do

Dedalus Labs is a San Francisco-based startup building the compute substrate for AI agents — the infrastructure layer for agentic AI. Its product, Dedalus Machines, lets developers run long-lived, stateful agents on full Linux virtual machines that launch in under 250 milliseconds with zero cold starts, persistent filesystems, and billing based only on active compute. Founded in 2025 by Cathy Di and Windsor Nguyen and backed by Y Combinator (Summer 2025 batch), it also offers an MCP gateway service.

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