Senior Full-Stack Engineer (Web3)
Gold Media Tech LLC
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 global 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
$45,000
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