Nelson Saraiva
Senior Backend Developer at Rio Crypto Hub
Rio de Janeiro, Brazil
Summary
👤
Senior🎓
Top SchoolNelson Saraiva is a Senior Backend Developer with two decades of hands-on experience building scalable, secure enterprise systems using C#, .NET Core, microservices and cloud platforms. He has a strong track record in fintech and crypto—delivering high-performance APIs and integrations for banks and digital-asset platforms, and recently shaping Cloud Pro services for Mercado Bitcoin. Nelson blends practical AppSec discipline with a curiosity for Web3, IoT and blockchain, often mentoring peers and presenting at community events. He’s pragmatic about measurable impact: at Banco Carrefour he cut external API calls by 35%, saving R$450k monthly. A self-taught engineer and amateur astronomer based in Rio de Janeiro, he pairs long-term system thinking with a scientist’s curiosity that fuels continuous learning.
11 years of coding experience
8 years of employment as a software developer
Associate of Science (AS), Analysis and Development of Systems, Associate of Science (AS), Analysis and Development of Systems at UNIASSELVI
English, Portuguese
Stackoverflow
1reputation
0reached
0answers
0questions
Programming languages (4)
Github contributions (5)
nsaraiva/dao-app-xgohorse
Aug 2022 - Mar 2025
Web3dev course: Build your own DAO with just JavaScript in a week.
Contributions:57 pushes, 18 branches in 2 years 8 months
dappethereumjavascriptblockchainweb3
nsaraiva/Rocket-Radar
Apr 2022 - Sep 2023
Contributions:10 pushes, 7 branches, 1 comment in 1 year 5 months
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