Principal Architect
Core
Architecting and hardening a live fintech platform handling real money transfers, escrow, and geolocation verification for merchants and consumers.
Role type
Principal Architect (hands-on IC)
Builds
Consumer app, merchant console, marketing site, and smart contracts on Base
Domain
Fintech / Blockchain / Geolocation verification
Required skills
System architecture, PHP 8.3, MySQL 8, Vanilla JavaScript, Solidity, Node.js, Ethers.js, CI/CD, Test suite design, Security hardening, Database design, Distributed systems
Preferred skills
Smart contract escrow/custody patterns, Anti-fraud/abuse prevention, Physical world verification, Hardware integration, Logistics systems, Startup scaling experience
Technologies
PHP, MySQL, JavaScript, nginx, EC2, Cron, Solidity, Base, Node, Ethers
Responsibilities
Redesign single-signature key management for security, Migrate settlement logic to USDC stablecoins, Enhance geolocation verification against gaming attempts, Design multi-city data model and deployment strategy, Establish professional testing and CI/CD practices
Seniority
Principal, hands-on IC