LocationRemote (Mexico or Spain preferred)Must be fluent in English and SpanishAbout the CompanyOur 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 integral scalability from day one.The RoleOur 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.ResponsibilitiesBuild and maintain frontend applications using Next.js (React + Type Script)Develop backend services using Node.js + Express (Type Script)Integrate Web3 wallet flows and blockchain interactionsArchitect scalable APIs and trading-related systemsWork with databases (Supabase / Postgre SQL)Deploy and maintain infrastructure on AWSCollaborate on system design and product decisionsContribute to technical roadmap and architecture evolutionFrontendNext.js (React)Type ScriptNode.jsExpressInfrastructureSupabaseAWSWeb3Experience with Solana strongly preferredSmart contract integrationsWallet-based authenticationHybrid on-chain/off-chain systemsRequired Qualifications5+ years of experience in full-stack developmentStrong proficiency in Type ScriptExperience building production-grade applicationsExperience with cloud infrastructure (AWS)Fluent in English and SpanishComfortable working in fast-moving startup environmentsStrong PlusExperience with Solana or Web3 trading systemsExperience with order books or financial systemsFamiliarity with AI-assisted coding tools (e.g., Claude Code)Previous startup or early-stage experience

📌 Senior Full-Stack Engineer (Web3) (Baja California)
🏢 Gold Media Tech
📍 Baja California