Experience Not stated in the posting - worth applying if the stack matches
About the role
structured by ORIHeliumSelf Improving SoftwareFounding Full-Stack Engineer$125K - $200K•0.50% - 1.00%•San Francisco, CA, USJob typeFull-timeRoleEngineering, Full stackExperience1+ yearsVisaUS citizen/visa onlyConnect directly with founders of the best YC-funded startups.Apply to role ›Zach WitzelCEOZach WitzelCEOAbout the roleHelium…
What you will do
- Adding new features to the front-end Next.js application and deploying scalable Golang code that serves thousands of requests each second globally.
- Tune/Optimize/Load test our servers as we 10x our growth from tens of millions to hundreds of millions of users per day.
- Designing data systems and ML training infrastructure that power automated experimentation at scale.
- Work directly with founders and customers to design, implement, and deliver the best experiences!
- Wearing a lot more hats than listed above 👷.
What they are looking for
- Keen problem solving skills: you are able to cut down ambiguous problems down to first principles and deliver a working solution.
- Strong programming/full-stack foundation: You’re comfortable working on both backend code as well as frontend React code.
- Experience working directly on user-facing products: you are able to figure out and understand what the user needs, including talking to customers
- Stellar cross-functional communication skills: you are able to adapt to our ways of working and be an efficient/effective communicator.
- Owning features end to end: you’ll write your own PRDs/quick specs when necessary, and you test your features end to end to make sure they work and satisfy the requirements
- Requires Bachelors degree or higher in Computer Science or similar fields.
Nice to have
- 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
Before you apply
- In-Office Monday–Friday + often push through weekends
- Visa: US citizen/visa only
Benefits
- Build on the newest AI models, even before they're released publicly
- Work with a stellar hard-working team at a prime office in SF
- All meals (Breakfast, lunch, dinner) while working
- Gym/transport covered
ReactTypeScriptGoMLAILLMSwiftFlutterNext.jsZustandTailwindShadcnSupabaseClickHouseFly.ioCursor
Full posting text
Build core product features across our frontend and backend.