I'm Elias Melgaço — 12+ years engineering high-performance interfaces for US startups and distributed teams. From a $14Bfintech platform to real-time sustainability tooling, I build for scale, speed, and resilience.
/public/portrait.jpgI architect platforms that move billions and can't afford to blink. My focus is the place where frontend craft meets systems thinking — performance budgets, resilient data layers, and interfaces that stay fast under real load.
I've shipped with US-based startups across fintech, payments, and climate tech — leading frontend architecture, mentoring engineers, and dragging Core Web Vitals into the green. I care about the boring details that make products feel inevitable: bundle size, latency, test coverage, and clean migrations that don't wake anyone up at 3am.
Led frontend architecture for an AI fintech platform processing $14B in invoices and $514M in electronic payments.
Built a real-time data visualization engine for enterprise sustainability and compliance tracking.
Owned transaction flows and purchasing experiences for a high-traffic carbon marketplace.
Engineered high-traffic payment and fraud-prevention dashboards used across multiple fintech products.