Full-stack Developer

Role Overview

Huzzle is hiring a Founding Engineer (Fullstack) as an independent contractor to help take the product from zero to launch and beyond toward product-market fit. You’ll work closely with the founding team to shape both the product and the company, owning core systems and delivering exceptional user experiences.

Responsibilities

• Own end-to-end development of core product features across the full stack, with a strong focus on frontend UX and performance.
• Collaborate with the founder, product designer, and early users to iterate rapidly and deliver great user experiences.
• Design, build, and maintain scalable backend systems, including PostgreSQL schemas and Row-Level Security (RLS) via Supabase.
• Develop and manage edge APIs, backend services, and workers for real-time, high-performance applications.
• Translate complex product concepts into intuitive, elegant UI.
• Make foundational architecture and infrastructure decisions balancing speed, scalability, and reliability.
• Build systems that support growth from early launch through scale.
• Integrate blockchain/smart contracts and maintain blockchain indexing systems for real-time product functionality.
• Build modern authentication and digital asset experiences (including WebAuthn).
• Partner with fintech and infrastructure providers to deliver secure and scalable solutions.
• Contribute to product strategy, experimentation, and iteration toward product-market fit.
• Uphold engineering practices, performance standards, and a security-first mindset.

Requirements

• Exceptional intellectual ability and curiosity, with a strong academic background (e.g., CS/Math/Physics/EE) or equivalent experience.
• 5+ years of software engineering experience, including at least 1 year at a senior level with high ownership.
• Strong TypeScript and React skills for production-grade frontend development.
• Backend and systems experience; familiarity with Go or low-level/system design is a plus.
• Extensive experience with PostgreSQL and scalable data architecture.
• Track record of shipping complex, user-facing products (e.g., social platforms, marketplaces, trading systems).
• Strong interest in finance, blockchain/Web3, consumer apps, user psychology, and AI/LLMs.
• Security-first mindset with focus on data integrity and system resilience.
• Ability to move fast, make pragmatic decisions, and thrive in ambiguity.
• Strong communication skills and founder-level collaboration.

Nice-to-haves

• Experience with Go or deep low-level/system design.
• Experience building blockchain-integrated products and blockchain indexing systems.