Founding Full-Stack Engineer
Helium · San Francisco, CA · 6 mo ago
On-siteEngineering$6/hrFull-time
What You’ll Do
- Adds new features to the front-end Next.js application
- Deploys scalable Golang code that serves thousands of requests each second globally
- Tunes/Optimizes/Load tests our servers as we 10x our growth from tens of millions to hundreds of millions of users per day
- Designs data systems and ML training infrastructure that power automated experimentation at scale
- Works directly with founders and customers to design, implement, and deliver the best experiences
- Wears a lot more hats than listed above
What We’re Looking For
- Keen problem solving skills: able to cut down ambiguous problems down to first principles and deliver a working solution
- Strong programming/full-stack foundation: comfortable working on both backend code as well as frontend React code
- Experience working directly on user-facing products: able to figure out and understand what the user needs, including talking to customers
- Stellar cross-functional communication skills: able to adapt to our ways of working and be an efficient/effective communicator
- Owning features end to end: writes own PRDs/quick specs and tests features end to end to make sure they work and satisfy the requirements
Nice To Haves
- Experience with ML/AI/LLM integration in applications
- Experience building scalable backend systems with very demanding SLAs
- Background working with design tools, chat experiences, or vibe coding tools
- Previous experience founding or working at a high-growth startup
Reasons This Role Might Not Be A Fit
- You want to work 9-5
- You avoid Cursor or AI coding tools
- You can only operate on well-written specs or feel uncomfortable designing new experiences from scratch
- You don’t want to talk to customers
Our Stack
- Next.js (React/Typescript)
- ZustandAI (vercel) SDK
- Tailwind
- Shadcn
- Supabase
- Clickhouse
- Golang
- Fly.io
- Mobile: Swift, Flutter, Expo, Android
Requirements
Requires Bachelors degree or higher in Computer Science or similar fields.