03 Experience 3 roles #1 Role Company Location Start / End Bullets Architected and shipped a real-time collaboration engine serving 50K+ concurrent users, reducing latency by 40% Led migration from monolith to microservices, improving deployment frequency from weekly to 15+ daily releases Mentored 4 junior engineers through structured pairing and code review, all promoted within 18 months Add bullet#2 Role Company Location Start / End Bullets Built the core payment processing system handling $2M+ in monthly transactions with 99.99% uptime Developed a component library used across 3 product teams, reducing UI development time by 35% Implemented automated testing strategy that increased code coverage from 45% to 92% Add bullet#3 Role Company Location Start / End Bullets Delivered 12+ client projects on time and under budget using React, Node.js, and PostgreSQL Introduced automated accessibility testing, bringing all projects to WCAG 2.1 AA compliance Add bullet Add role Variant classicmodern Remove