Leonardo Faleiros
Senior Full Stack Software Engineer at EXIT83 Consulting
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolLeonardo Faleiros is a Senior Full Stack Software Engineer with 8 years of experience building high-performance web and blockchain applications using React, Next.js, Node.js and TypeScript. He architects end-to-end solutions—from responsive design systems and realtime data pipelines to robust backend APIs and optimized databases—while championing TDD and scalable deployment patterns. Leonardo has shipped AI-driven features, complex third-party integrations (Twitter/X, Telegram, payment gateways) and Web3 products like Pali Wallet V2 and Pegasys DEX, improving transaction efficiency and user clarity. Recently he led efforts to publish a reusable design system as an npm package and implemented extensive integration and e2e test suites to guarantee product consistency. Based in São Paulo, he pairs hands-on implementation with system-level thinking, often independently delivering production-grade architectures. His background decoding multi-sig transactions and improving RPC communication reveals a practical focus on reducing cost and user friction in blockchain UX.
8 years of coding experience
5 years of employment as a software developer
Graduate, Information Systems, Graduate, Information Systems at Universidade de Franca
Stackoverflow
101reputation
0reached
0answers
0questions
Github Skills (7)
cryptocurrency10
evm10
crypto-wallet10
wallet10
browser10
ethereum10
blockchain10
Programming languages (2)
Github contributions (5)
leozera14/MazzaCocktail
Dec 2020 - Aug 2022
Contributions:1 PR, 7 pushes, 1 branch in 1 year 7 months
leozera14/Convert
Aug 2020 - Mar 2022
Contributions:2 commits, 6 pushes, 1 branch in 1 year 7 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.