
John Cena
Elite Blockchain Architect, P2P Expert, SEC Compliant Crypto Systems, Ai Automat
Habilidades

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Portfólio
Experiência profissional
Lead Full-Stack Developer
Royal Caribbean International • Autônomo
May 2024 - Present • 2 yrs
Developed secure, high-converting web interfaces and WooCommerce-integrated crypto payment gateways. Managed the transition of legacy web systems to high-performance React/Node.js stacks. Implemented secure wallet-connect features and custom API integrations for real-time asset tracking. Focused on UI/UX optimization for mobile-first users in the West African market.
Senior Blockchain Architect
TEC Business Group • Período integral
Nov 2023 - Present • 2 yrs 6 mos
Engineered institutional-grade matching engines and SEC-compliant P2P escrow scripts for one of Africa’s largest exchanges. Optimized order execution for 50,000+ TPS and integrated direct NGN bank rails to bypass P2P friction. Led the technical architecture for the SEC Accelerated Regulatory Incubation Program (ARIP) compliance, focusing on multi-sig cold storage and real-time AML monitoring.
Systems Automation Lead
Tech Hub • Período integral
Nov 2021 - Present • 4 yrs 6 mos
Orchestrated complex business automation workflows using n8n and AI native agents (OpenClaw/Hermes) for incubated fintech startups. Reduced operational overhead by 40% through automated customer onboarding and marketing funnels. Built and scaled the "Techlauncher" infrastructure, enabling 14+ startups to move from MVP to market-ready products with automated backend systems.