Ignacio Hagopian
Core Developer at Ethereum Foundation
Uruguay
Summary
🤩
Rockstar🎓
Top SchoolIgnacio Hagopian is a core developer and applied cryptography engineer with a decade of experience building robust backend systems and protocol implementations. Based in Uruguay, he has driven protocol-level work at the Ethereum Foundation—moving from an Ethereum Protocol Fellow to contributions on stateless consensus and the zkEVM team. His open-source footprint includes significant backend contributions to Filecoin’s Lotus (deal management and API improvements) and performance and correctness fixes in the Go runtime and networking packages. Known for pragmatic, low-level optimizations (memory, I/O, reflection) and careful API design, he blends research-grade cryptographic thinking with production systems engineering.
10 years of coding experience
13 years of employment as a software developer
Computer Engineer, Computer Science, Computer Engineer, Computer Science at Universidad de la República
Spanish, English
Stackoverflow
126reputation
2kreached
6answers
0questions
Github Skills (30)
algorithms10
programming-language10
apidoc10
trie10
ipfs10
data-structure10
lang10
filecoin10
go10
language-design10
api10
blockchain10
golang10
data-structures10
testing9
Programming languages (17)
Github contributions (5)
filecoin-project/lotus
Dec 2019 - Dec 2020
Reference implementation of the Filecoin protocol, written in Go
Role in this project:
Backend Developer
Backend DeveloperContributions:38 commits, 21 PRs, 103 comments in 1 year
Contributions summary:Ignacio primarily contributed to the backend of the Filecoin Lotus project, focusing on API changes and deal management. They implemented features related to client deal initiation, including the ability to specify a wallet address. Furthermore, they addressed issues in the client retrieval process and added a new API for calculating fork reverts and applies. These changes involved modifications across multiple files, including API definitions, client implementations, and testing components.
golangipfsfilecoinblockchainfilecoin-protocol
golang/go
Jul 2019 - Aug 2021
The Go programming language
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 PRs, 3 comments, 4 issues in 2 years 1 month
Contributions summary:Ignacio's contributions primarily involve modifying and improving the Go programming language's core functionality. They fixed bugs related to file I/O and environment variable handling, demonstrating a focus on enhancing the language's robustness. Additionally, the user optimized the `net/http/httputil` package, improving the behavior of the reverse proxy and enhancing overall network performance. They also improved reflection performance by caching `IsVariadic` calls.
golanggopluscompilerprogramming-languageinterpreter
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