Full-stack Developer position at Huzzle.| Brazil

_{2026-04-14T09:31:51.212Z} bot

Huzzle Full-stack Developer

Experience: 5-years

Pattern: Full-time

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Brazil

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About Huzzle At Huzzle, we connect high-performing B2B sales professionals with global companies across the UK, US, Canada, Europe, and Australia. Our clients include startups, digital agencies, and tech platforms in industries like SaaS, MarTech, FinTech, and EdTech. We match top sales talent to full-time remote roles where they’re hired directly into client teams and provided ongoing support by Huzzle. Role Type: Full-time Engagement: Independent Contractor Job Summary We’re hiring a Founding Engineer (Fullstack) to help take the product from zero to launch and beyond to product-market fit. This is a rare opportunity to work side-by-side with the founding team and play a defining role in shaping both the product and the company. You’ll be responsible for building core systems, crafting exceptional user experiences, and driving technical decisions across the stack. This role is ideal for a highly intelligent, pragmatic builder who thrives in early-stage environments and has a track record of shipping complex, user-facing applications. Key Responsibilities Own end-to-end development of core product features across the fullstack, with a strong focus on frontend UX and performance. Collaborate closely with the founder, product designer, and early users to iterate rapidly and deliver exceptional 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 to support real-time, high-performance applications. Translate complex product concepts into intuitive, elegant, and user-friendly interfaces. Make foundational architecture and infrastructure decisions that balance speed, scalability, and reliability. Build and optimize systems to support product growth from early launch through scale. Integrate and interact with smart contracts and blockchain infrastructure. Own and maintain blockchain indexing systems to power real-time product functionality. Develop modern authentication and digital asset experiences using technologies like WebAuthn. Partner with fintech and infrastructure providers to deliver secure and scalable solutions. Contribute to product strategy, experimentation, and iteration to help achieve product-market fit. Establish and uphold strong engineering practices, performance standards, and a security-first mindset. Exceptional intellectual ability and curiosity, with a strong academic background (e.g. Computer Science, Mathematics, Physics, Electrical Engineering) or equivalent experience. 5+ years of software engineering experience, including at least 1 year at a senior level with high ownership. Strong proficiency in TypeScript and React for building production-grade frontend applications. Backend and systems experience; familiarity with Go or low-level/system design is a strong plus. Extensive experience with PostgreSQL and scalable data architecture. Proven track record of building and 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. A strong security-first mindset, with attention to data integrity and system resilience. Ability to move fast, make pragmatic decisions, and thrive in ambiguity. Strong communication skills and a collaborative, founder-level mindset.

Full-stack Developer job opportunity at Huzzle.

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