Dimitris Grigoriou
Senior Software Engineer at Chainlink Labs
Greece
Summary
🤩
Rockstar🎓
Top SchoolDimitris Grigoriou is a Senior Software Engineer based in Greece with nine years of experience building secure, backend systems across blockchain, gaming, and infrastructure projects. He blends a Computer Science and System Security background from the University of Athens with hands-on contributions to notable open-source projects—adding IPv6 and NDP spoofing support to bettercap and implementing EVM/Optimism Bedrock compatibility in Chainlink. At Chainlink Labs he focuses on resilient, EVM-aware backend engineering, while prior roles span blockchain research, security analysis in the Greek Army, and high-throughput platform work at Kaizen Gaming. He brings a pragmatic security-first mindset to distributed systems and protocol-level problems, comfortable modifying core network modules and cross-chain configuration. Colleagues would describe him as a developer who moves fluently between low-level networking/security concerns and high-level blockchain integration.
9 years of coding experience
7 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at National & Kapodistrian University of Athens
Stackoverflow
1reputation
0reached
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Github Skills (14)
evm10
network-security10
go10
opt10
ipv610
ethereum10
network-protocol10
blockchain10
optim10
k9
ruby9
solidity9
oracle8
oracles8
Programming languages (4)
Github contributions (5)
smartcontractkit/chainlink
May 2022 - Jan 2023
node of the decentralized oracle network, bridging on and off-chain computation
Role in this project:
Backend Developer
Backend DeveloperContributions:683 reviews, 24 commits, 171 PRs in 8 months
Contributions summary:Dimitris contributed to the `smartcontractkit/chainlink` repository, which focuses on building a decentralized oracle network. Their primary contribution involved supporting the Optimism Bedrock upgrade by modifying configuration files and error handling related to the Ethereum Virtual Machine (EVM). Additionally, the user implemented features to use default gas prices and tip caps when valid transactions are unavailable, and included support for Klaytn support. This suggests a focus on EVM-related backend development and system configuration.
golangcomputationethereumblockchaindecentralized
evilsocket/bettercap
Dec 2016 - Mar 2017
DEPRECATED, bettercap developement moved here: https://github.com/bettercap/bettercap
Role in this project:Back-end & Security Engineer
Back-end & Security EngineerContributions:19 commits, 3 PRs, 7 comments in 2 months
Contributions summary:Dimitris focused on adding and enabling IPv6 support within the `bettercap` project, which involves network and security tools. Their contributions include adding IPv6 address validation, implementing IPv6 gateway options and forwarding capabilities within the Linux firewall, and creating an NDP (Neighbor Discovery Protocol) spoofer. These changes required modifications to core network modules and the introduction of new classes for IPv6 support and ARP/NDP table management.
developementbettercap
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