David Potolski Lafetá
Senior Smart Contract Engineer | DeFi Protocol Architect | Technical Team Lead
Blockchain Development Expert specializing in Smart Contracts & DeFi Solutions
Solidity•Move•UTXO•EVM•ZK•DeFi
About Me
I am a Senior Smart Contract Engineer and DeFi Protocol Architect with extensive experience leading technical teams across blockchain ecosystems. I combine deep technical expertise with strong project management skills to deliver successful blockchain solutions. My expertise spans across Smart Contracts (Solidity, Move), UTXO, EVM, and ZK implementations, with a focus on DeFi protocol architecture, DEXs, DAOs, and on-chain KYC solutions.
Work Experience
Lunos DAO
August 2024 - Present
Tech Lead - Dubai, UAE
- Led the redesigning of the core smart contract architecture
- Enhanced scalability, security, and interoperability while optimizing gas efficiency
- Built automated, trustless coverage solutions that protect digital assets across the blockchain ecosystem
Syscoin
May 2023 - Present
Ecosystem Manager - Dubai, UAE
- Oversaw internal team coordination, resource allocation, and strategic tracking across development initiatives
- Aligned technical workstreams, optimized resource distribution, and maintained visibility on high-priority projects
- Led the development of zkSYS, Syscoin's first Edgechain built with zkRollup technology
Pollum
May 2023 - Present
Tech Lead | Project Manager - British Virgin Islands
- Developed KYC solutions and built DID implementations for on-chain primary and secondary sales
- Led smart contract development for UnoRe and managed Pegasys.fi DeFi protocol (Uniswap v3 fork)
- Managed development of Pali wallet, a successful crypto wallet extension
Clevertech
August 2022 - March 2023
Software Engineer - New York, United States
- Designed and implemented three major smart contract projects deployed to mainnet
- Developed a proof of attendance NFT system on Polygon for tracking event participation
- Created an NFT collection with packs and cards system, achieving over 1,400 token mints
- Built a custodial wallet exclusively for client NFTs using Solidity and Hardhat
Brick Abode
August 2019 - March 2022
Software Engineer | Project Manager - Salem, Virginia
- Led the Epic Cash blockchain upgrade (MimbleWimble implementation in Rust) from v2.17 to v3.0
- Implemented NFT support and royalty marketplace features using Solidity (ERC-721 and ERC-2981)
- Developed core APIs for cryptocurrency asset management, including market data streaming and order management
- Managed a social media analytics platform maintenance team and led startup planning initiatives
Featured Projects
Skills & Expertise
Blockchain Development
- Smart Contracts (Solidity, Move)
- UTXO & EVM Systems
- DeFi Protocol Architecture
- ZK Implementations
Development Tools
- Hardhat
- Truffle
- OpenZeppelin
- Ethers.js