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 You’ll own big chunks of our AI Experience Generation product serving millions of users per day, including… • 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 We’re 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 • Experience scoping, designing, and running complex multi-engineer projects • Experience managing or mentoring engineers before 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), 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.