What's done:

Gnosis Chain Core Development

(Go, Solidity, Rust)

• Researched and justified EIP-4844 and EIP-7514 changes for Gnosis Chain
• Worked on internal infrastructure: go-eth2-client, checkpointz, goteth, and 3rd party provider monitoring
• Automated validators staking rewards distribution: repo
• Supported Ethereum Hive test harness fork and developed Shanghai and Dencun test suites
• Created dappnode packages for multiple Gnosis EL and CL clients

Evmos Core Protocol Development

(Go, Solidity)

• Worked on Evmos state machine and Ethermint library
• Created automatic ERC20 <> Cosmos Token Standard conversion extension for IBC protocol
• Worked on Ledger support and ERC-712 typed data signing
• Created docker environment automation for end-to-end testing

VRM.trade Solidity Development

(Solidity, JS)

• Developed Smart Contracts for NFT marketplace
• Implemented ERC-721, ERC-1155, EIP-712, EIP-1271 and UUPS proxy standards
• Inspired and developed Lazy Minting mechanism
• Worked on Gas Optimizations and basic security check with Mythril and Slither

Waves Tech Gateways Development

(Go, Solidity, Rust)

• Worked on Firewall development for Waves Exchange
• Supported existing cross-chain system and worked on decentralization of its centralized components
• Developed identity infrastructure TOTP/OTP confirmation flow