Sergei Fomin
Software Engineer at Upwork
Kobuleti, Autonomous Republic of Adjara, Georgia
Summary
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SeniorSergei Fomin is a software engineer with 15+ years in development, including over a decade of remote work and a C1 level of English. For the last seven years he’s focused on backend engineering in Go and Rust, delivering high-performance systems for blockchain and finance use cases. He’s built and led projects ranging from a scalable web crawler, indexer and PageRank platform to a Solana fork’s validator and snapshot tooling, and helped migrate DeFi components like Serum to a new chain. Comfortable both as an individual contributor and a team lead, Sergei blends systems-level thinking with hands-on coding and an appetite for cryptographic and distributed systems challenges. Based in Kobuleti, Georgia, he holds a master’s in IT and maintains an active GitHub (let4be), reflecting a pragmatic, security-conscious approach to production software.
10 years of coding experience
2 years of employment as a software developer
Русский, English
Github Skills (4)
spring2
spring-boot2
java1
spring-security1
Programming languages (3)
Github contributions (5)
iSFomin/innopolis
Oct 2020 - Apr 2021
Contributions:148 pushes, 46 branches in 6 months
isfomin/isfomin.github.io
Jun 2019 - Dec 2021
Contributions:43 commits, 81 pushes, 1 branch in 2 years 7 months
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