Artur

Senior Solidity Engineer

Built core EigenLayer restaking middleware & AVS integration stack, Designed + implemented a UUPS-based restaking middleware for EigenLayer and Symbiotic, enabling custom operator validation, reward routing, slashing hooks, and AVS registration flows., Delivered PoA middleware architecture used as a blueprint for AVS teams integrating restaked security., Built a Node.js SDK + NPM module enabling developers to interact with the middleware, handle operator onboarding, and automate AVS registration., Dockerized the entire smart contract stack for reproducible dev environments and deterministic testing., Established secure CI pipelines using GitHub Actions (lint → static analysis → fuzz → gas snapshots → deploy checks)., Collaborated with Hashlock auditors; resolved all findings with zero critical issues., Designed operator-set metadata, task registration, stake management, and AVS-specific configuration patterns., Implemented upgradeable architecture with robust access-control & signature validation.