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Salary
$150k – $200k per year
Location
In office (San Francisco)
Seniority
Junior · 1+ year exp
Employment
Full-Time
Overview
Company
Impact
Profile match
Helium is a Y Combinator-backed (S24) software company developing AI-driven paywall management, upsell personalization, and conversion rate optimization platforms for consumer mobile applications. Headquartered in San Francisco, the startup enables mobile product and growth teams to dynamically design, test, and deploy in-app paywalls and subscription monetization flows without writing native code or waiting for app store release approval cycles.

Helium is building Self-Improving Software: AI that automatically generates & tests new software experiences to lift revenue. We’re…

  • Talent-dense (8 people, 6 engineers, 75% ex-founders)

  • Well-funded ($6M from Google & Leaders from OpenAI)

  • Fast-growing (Serving tens of millions of AI experiences per day for top consumer companies).

AI has created a once-in-history opportunity, and we’re here to win, because of that…

  • We work hard - In-Office Monday-Friday + often push through weekends

What You’ll Do

Own design across Helium’s entire AI Experience generation product, including…

  • Design and implement end-to-end user flows including…
    • Using Helium’s AI editor to generate new in-app experiences
    • Running experiments and automatically analyzing results
    • Receiving and critiquing auto-generated experiences
  • Help engineers think through UX challenges and critique / uplevel design generally
  • Build out a visual identity and a design system
  • Work directly with the founders to help build out our team.
  • Talk to customers every week about how to simplify and improve our product
  • Wearing a lot more hats than listed above .

What We’re Looking For

You should be a designer-who-codes (or an engineer with taste)

  • 1-4+ years as a product designer, frontend engineer, or similar role combining design and implementation
  • Deep expertise in modern frontend technologies (React, TypeScript, modern CSS)
  • Excellent design taste and a keen eye for detail
  • Track record of making complex user flows intuitive (Making “The simple simple and the complex possible”)

Nice To Haves

  • Experience designing interfaces for AI products or ML-powered features
  • Experience optimizing frontend performance and reducing latency
  • Experience with brand, visual design, or creating design systems.
  • Founder experience

Reasons This Role Might Not Be A Fit

  • You’d like to spend weeks perfecting every experience
  • You avoid Cursor or AI coding tools.
  • You don’t want to talk to customers or figure out the end-to-end plan for features.

Requirements

Note

  • This is a full-time, in-person role based in San Francisco - we work from the office 6 days a week (Mon-Sat)
  • You must be based in the Bay Area or willing to relocate before starting.
  • We require US work authorization, but are open to O-1 visa sponsorship for truly exceptional candidates.

Our stack:

  • Next.js (React/Typescript), Zustand
  • AI (vercel) SDK
  • Tailwind/Shadcn
  • Supabase
  • Clickhouse
  • Golang/Fly.io
  • Mobile: Swift, Flutter, Expo, Android

Requires Bachelors degree or higher in Computer Science or similar fields.

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