Senior Fullstack Engineer
ZB04
Posted: 03/07/2025
- $125K - $200K
- Remote US/Canada
- Permanent
Senior Fullstack Engineer – AI Development & Experimentation
📍 San Francisco, CA | On-Site Only | $125K - $200K + Equity (0.10% - 1.00%)
Are you a full-stack engineer with a deep passion for AI and a startup mindset? This is a rare opportunity to join an early-stage, well-funded AI company solving critical challenges in AI development, from prototyping and evaluation to scaling real-world applications. If you’re a builder at heart, thrive in fast-paced environments, and want to shape the future of AI tooling, this role is for you.
Why This Role?
✅ Build from scratch – Help define and develop an AI-focused IDE.
✅ High-impact startup environment – Be a key player in a small, elite team.
✅ Work at the intersection of AI & engineering – Solve complex technical challenges.
✅ Strong backing – Supported by top AI and SaaS investors.
What You’ll Do
⚡ Design, build, and optimize fullstack applications for AI development.
⚡ Work on AI evaluation & monitoring tools to ensure reliability at scale.
⚡ Develop and integrate systems that support rapid AI experimentation.
⚡ Collaborate with AI engineers & researchers to create groundbreaking solutions.
What We’re Looking For
✔ 5-10 years of fullstack experience (Node.js, Python, React, SQL).
✔ Strong understanding of Generative AI – must have built AI-related projects.
✔ Startup experience preferred – comfortable with ambiguity, rapid iteration, and hands-on building.
✔ Ability to make key technical decisions – you won’t just write code, you’ll help shape the product.
✔ On-site in SF – No remote work; relocation support available.
Tech Stack
💾 Database: Postgres
⚙ Backend: Node.js + TypeScript (API), Python (ML & AI evaluation)
🖥 Frontend: React.js + TypeScript
Who This Role ISN’T For
⛔ Engineers with only big-company experience – We need startup builders.
⛔ Those who haven’t actively worked with GenAI in the last 2 years.
⛔ Candidates looking for a low-commitment role – This is a high-intensity startup.
Ready to Shape the Future of AI Development?
If you’re excited about AI, engineering, and building from the ground up, apply now or reach out to learn more! 🚀
Zakaria Bensissi
ML Research & Engineering Recruiter