Founding Fullstack Engineer (Web3 / Blockchain) - FT - LATAM

Job Type:

Fulltime/Remote

About Us

We’re building Soul — an AI-powered Web3 app for fortune-telling, identity, and social discovery — and other upcoming consumer-facing products in the blockchain space.

About the Role

You’ll be our first in-house engineer and the technical backbone of our Web3 apps (starting with Soul). You’ll own end-to-end development, from blockchain integrations to backend and frontend, while setting the foundation for our engineering team.

Responsibilities

• Lead technical architecture and development of Soul + upcoming apps.
• Build blockchain integrations: wallet connection, calling smart contracts, data flows.
• Develop across stack: frontend (React/Next.js), backend (Node.js), infra (Kubernetes/GCP).
• Establish engineering best practices
• Recruit and mentor future hires.

Requirements

• 5+ years of fullstack development.
• Strong blockchain/Web3 experience (Solidity, smart contracts, EVM chains).
• Familiarity with smart contracts is required but you do not write smart contracts as part of this role
• Proven track record in consumer apps or startups.
• Startup mindset: hands-on, independent, fast-moving.

Growth & Culture

• Shape the engineering vision as our first founding engineer.
• Work closely with the founder, with exposure to product, design, and strategy.
• Remote-first culture with async-friendly communication.
• Opportunity to grow into Head of Engineering as we scale.
• We’d love to offer token share benefits, so you grow with the company’s success.