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Senior Software Engineer · AI + Web3

Turning Ideas into AI-Powered Web3 Products. 

I'm Harry Ermawan, a Senior Software Engineer with 8+ years building production systems, 6 of them in blockchain. I design wallet, custody and settlement infrastructure for regulated crypto exchanges, and I build AI agents that automate blockchain operations. Explore my experience and articles on AI, Blockchain and Infrastructure Development.

  • 8+ Years of experience
  • 6 Years in blockchain
  • $18M+ AUM on Pintu Earn
  • 800+ US stocks launched
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Resume

Harry Ermawan

Senior Software Engineer

Senior Software Engineer with 8+ years building production systems, 6 of them in blockchain since 2018. I build wallet, custody and settlement infrastructure for regulated crypto exchanges and stablecoin payments, and AI agents that automate blockchain operations. I specialize in taking financial products from zero to one and integrating them into the systems a business already runs on.

Key achievements

  • Founding engineer for Pintu Earn: flexible earn ($18M+ AUM) and locked earn ($600K+ AUM).
  • Architected the Pintu EVM swap aggregator and cross-chain swap, averaging ~$70K/day in swap volume.
  • Designed the end-to-end architecture for Kite Crypto Card, a stablecoin-backed Visa card now live on iOS and Android.
  • Designed the Autosettlement architecture at Reku, built AI agents for blockchain operations and launched 800+ US stocks.

Experience

  • Senior Software Engineer at RekuJun 2026 - Oct 2026
  • Senior Software Engineer, Founding Engineer at KiteDec 2025 - Feb 2026
  • Software Engineer III at PintuOct 2021 - Nov 2025
  • Technical Lead, Supply Chain at eFisheryJun 2019 - Sep 2021
  • Software Engineer, Founding Engineer at Chipin IndonesiaMar 2019 - May 2019
  • Software Engineer at Ralali.com2018 - 2019
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