Ilija Pavlovic
Backend Developer at Chainlink Labs
Serbia
Summary
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RockstarIlija Pavlovic is a backend developer with five years of experience specializing in secure, production-grade infrastructure for blockchain oracles. Based in Serbia, he contributes to Chainlink/Chainlink Labs where he focuses on hardening smart contract security and improving node reliability. His work includes identifying and fixing authorization vulnerabilities in AuthorizedReceiver.sol and adding rigorous TypeScript/Hardhat tests, demonstrating a strong blend of backend engineering and security testing. Ilija also updated critical tooling like the AuthorizedForwarder geth wrapper, showing attention to both protocol and operational layers. He brings practical experience shipping fixes in a high-profile open-source blockchain project and a knack for turning subtle security issues into auditable, test-covered solutions.
5 years of coding experience
Github Skills (7)
it-security10
smart-contracts10
solidity10
ethereum10
security10
blockchain9
golang9
Programming languages (6)
Github contributions (5)
smartcontractkit/chainlink
May 2023 - Jul 2026
node of the decentralized oracle network, bridging on and off-chain computation
Role in this project:
Back-end Developer & Security Engineer
Back-end Developer & Security EngineerContributions:879 reviews, 234 PRs, 825 pushes in 3 years 2 months
Contributions summary:Ilija primarily focused on enhancing the security and robustness of the smart contract code within the Chainlink repository. Their contributions involved identifying and fixing vulnerabilities related to duplicate sender authorizations within the `AuthorizedReceiver.sol` contracts. Furthermore, the user added comprehensive tests for these fixes using TypeScript and the Hardhat testing framework, ensuring the code's reliability. They also updated the `AuthorizedForwarder` geth wrapper.
golangcomputationethereumblockchaindecentralized
smartcontractkit/chainlink-stellar
May 2026 - Jul 2026
Contributions:1 review, 24 pushes, 3 branches in 1 month
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