Adrian Catangiu
Director Of Node Engineering at Parity Technologies
Bucharest, Romania
Summary
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Rockstar🎓
Top School
Top expert inRust-Based Software Development
Adrian Catangiu is a Director of Node Engineering with eight years of experience building high-performance, production-grade systems and leading core blockchain infrastructure at Parity Technologies. He rose through roles from Rust Core Engineer to Technical Manager owning BEEFY, trustless bridges, on-chain light clients and XCM before assuming director-level responsibility for Polkadot node engineering. Prior to Parity he was a longtime maintainer and API implementer for AWS Firecracker, bringing deep expertise in secure microVMs, low-level systems and distributed consensus. His open-source contributions span Substrate and Polkadot SDK work—implementing BEEFY, MMR APIs, equivocation tracking and new RPCs—demonstrating both protocol-level rigor and pragmatic tooling. Based in Bucharest, he combines hands-on backend development with technical leadership across cross-consensus messaging and bridge design, and even publishes a public Polkadot address reflecting active on-chain participation. Colleagues describe him as a pragmatic engineer who surfaces subtle protocol correctness issues while shipping measurable node improvements.
8 years of coding experience
14 years of employment as a software developer
"George Cosbuc" National CollegeMaster of Science (MSc), Computer Science, Master of Science (MSc), Computer Science at Universitatea „Politehnica” din București
Romanian, English, German
Github Skills (20)
apim10
substrate10
back-end-development10
apidoc10
testing10
rpc10
api10
gossip10
blockchain10
nodejs10
rust10
nodes10
distributed-systems9
cryptography9
network-protocol9
Programming languages (10)
Github contributions (5)
firecracker-microvm/firecracker
Oct 2017 - Sep 2021
Secure and fast microVMs for serverless computing.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 627 reviews, 457 commits in 4 years
Contributions summary:Adrian primarily worked on implementing the API for the Firecracker project. Their contributions included fixing generated API URLs and generating code for the API. The user also refactored code, removing unused dependencies and imports from generated code and adding API server and jump into it at firecracker start. Further, they implemented the partial processing of instance start action requests.
containerssecureminimalistrustserverless
paritytech/polkadot-sdk
Aug 2023 - Apr 2025
The Parity Polkadot Blockchain SDK
Role in this project:Back-end Developer
Back-end DeveloperContributions:1020 reviews, 266 PRs, 139 pushes in 1 year 7 months
Contributions summary:Adrian's contributions primarily involve developing and modifying features related to the BEEFY (Blanchet Ethereum Finality) protocol within the Parity Polkadot Blockchain SDK. They implemented new RPC endpoints, improved the gossip logic by optimizing the filtering conditions. Also, they fixed multiple issues related to the correct management and finalization of blocks and their justifications, as well as implementing tools to debug, track and report equivocations. The user made changes to the codebase, including adding tests, and the integration with the Rialto & Millau runtimes.
blockchaincumuluspolkadotsubstrate
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