Location
Remote (Mexico or Spain preferred)
Must be fluent in English and Spanish
About the Company
Our client is building a next-generation platform that enables users to interact with real-world event markets through modern Web3 infrastructure. The product combines self-custody, seamless trading UX, and scalable cloud architecture to deliver a fast, transparent, and social experience.
This is an early-stage environment with strong product ambition and general scalability from day one.
The Role
Our client is looking for a Senior Full-Stack Engineer who can operate across frontend, backend, and Web3 integrations.
This is not a "ticket executor" role. They are seeking someone who thinks in systems, challenges assumptions, proposes architecture, and builds with ownership.
You will work directly with product and founding leadership to design and ship core infrastructure and user-facing features.
Responsibilities
Build and maintain frontend applications using Next.js (React + TypeScript)
Develop backend services using Node.js + Express (TypeScript)
Integrate Web3 wallet flows and blockchain interactions




Architect scalable APIs and trading-related systems
Work with databases (Supabase / PostgreSQL)
Deploy and maintain infrastructure on AWS
Collaborate on system design and product decisions
Contribute to technical roadmap and architecture evolution
Frontend
Next.js (React)
TypeScript
Node.js
Express
Infrastructure
Supabase
AWS
Web3
Experience with Solana strongly preferred
Smart contract integrations
Wallet-based authentication
Hybrid on-chain/off-chain systems
Required Qualifications
5+ years of experience in full-stack development
Strong proficiency in TypeScript
Experience building production-grade applications
Experience with cloud infrastructure (AWS)
Fluent in English and Spanish
Comfortable working in fast-moving startup environments
Strong Plus
Experience with Solana or Web3 trading systems
Experience with order books or financial systems
Familiarity with AI-assisted coding tools (e.g., Claude Code)
Previous startup or early-stage experience
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📌 Senior Full-Stack Engineer, Web3 Trading Platform (Remote) (Estado de México)
🏢 Gold Media Tech
📍 Estado de México