Founding Full Stack Engineer

Founding Fullstack Engineer \| Onsite New York \| VC-Backed Energy Startup

Berkley Hunt is partnering with a high-growth, early-stage startup building critical software for complex, highly regulated infrastructure. They combine deep domain expertise with world-class engineering, moving at startup speed to deliver tools that professionals rely on every day.

We are seeking a Founding Fullstack Engineer to own and ship end-to-end product features, from API design to frontend interfaces, turning complex workflows into intuitive, production-grade software. This role is best suited for a hands-on technical generalist who thrives in a fast-moving, high-ownership environment.

Who You Are:

• 3–8 years of fullstack experience building production-grade web applications
• Expert in TypeScript/React with strong frontend fundamentals and attention to UI/UX
• Solid backend experience: APIs, databases, auth, and scalable architecture
• Product-minded: you understand business outcomes, user needs, and technical tradeoffs
• Ownership DNA: led projects, made technical decisions, and been accountable for outcomes
• Bonus: experience in regulated industries or designing flows/mockups in Figma

Responsibilities:

• Build user-facing web applications that simplify complex workflows for professional users
• Own the full stack: design APIs, optimize queries, implement frontend interactions, and debug production issues
• Set technical standards for code quality, design systems, testing, and developer workflows
• Collaborate with domain experts to translate requirements into intuitive, reliable software
• Balance speed and craft: ship fast but maintain high-quality, maintainable code
• Mentor future engineers as the team scales and define the engineering playbook

Tech Stack \& Tools:

• Frontend: TypeScript, React
• Backend: Node.js, Python, SQL/NoSQL databases, API design
• Product Tools: Figma or equivalent for mockups
• Additional bonus: experience with technical SaaS, regulated industries, or complex workflow automation

Why This Matters:

The software you build will be used by professionals managing critical, safety-sensitive infrastructure. Your work directly impacts efficiency, reliability, and safety, helping them execute workflows faster, with confidence, and at scale.

This is a high-impact, ownership-first role at a startup where your decisions shape both the product and the engineering culture.