Alessandro Sforzin
Senior Software Engineer at Circle
Heidelberg, Baden-Württemberg, Germany
Summary
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Rockstar🎓
Top SchoolAlessandro Sforzin is a Senior Software Engineer with 12 years of experience specializing in secure distributed systems and Go, currently helping build Arc, an open Layer-1 blockchain for stablecoin-native applications. He has a strong track record of turning R&D into production products at scale, with work recognized through awards and patents and deep hands-on experience maintaining and implementing Tendermint consensus in both Go and Rust. Comfortable across cloud-native stacks (Docker, Kubernetes, AWS) and NoSQL stores, he combines research-rooted rigor from NEC Labs with product-focused delivery at ConsenSys and Informal Systems. Based in Heidelberg, he thrives in collaborative teams, communicates effectively across disciplines, and is constantly expanding his technical repertoire—often fueled by a good espresso.
12 years of coding experience
11 years of employment as a software developer
Master of Science - MS Computer Science, Master of Science - MS Computer Science at Università degli Studi di PadovaSummer School, Summer School at Foundations of Security Analysis and Design (FOSAD)Technical University of Denmark
Italian, English, German
Github Skills (21)
foundry10
ethereumjs10
cosmos10
distributed-systems10
go10
state-machine10
fault-tolerant10
blockchain10
replication10
database10
solidity9
leveldb9
evm9
tendermint9
ethereum9
Programming languages (2)
Github contributions (5)
alesforz/alesforz.github.io
Jun 2023 - Jan 2026
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Contributions:3 PRs, 41 pushes, 3 branches in 2 years 6 months
alesforz/cometbft
Feb 2025 - Jul 2025
CometBFT (fork of Tendermint Core): A distributed, Byzantine fault-tolerant, deterministic state machine replication engine
Contributions:12 reviews, 22 PRs, 89 pushes in 4 months
fault-tolerantreplicationstate-machinetendermint
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