Blockchain / Protocol Engineer
Istanbul, Turkey
Blockchain / Protocol Engineer with 5 years of production experience in DeFi, cross-chain infrastructure, and EVM smart contract systems. Deep expertise in AMM math, precision-safe arithmetic, and cross-chain messaging protocols. Strong focus on gas optimization, formal correctness, and security-conscious design.
Entangle
Jan 2025 โ Present
Architected smart contracts for the Universal Interoperability Protocol (UIP), a cross-chain messaging and liquidity-transfer protocol. Developed adapters for Axelar, LayerZero, and Wormhole. Implemented gas-efficient batch signature validation reducing cross-chain tx costs by 44% (~$500K annualised savings). Integrated 21 blockchain networks. Configured CI/CD with Echidna fuzz testing and Slither static analysis; zero critical findings in external audit.
TorusChain
Oct 2022 โ Jan 2025
Designed and implemented a concentrated-liquidity AMM inspired by Uniswap V3 with tick-bitmap indexing and Q64.96 fixed-point arithmetic. Engineered a Liquid Staking Protocol with $8M+ TVL at peak. Developed an Arbitrary Messaging Bridge with fraud-proof challenge window. Built an NFT Marketplace with off-chain order signing and ERC-2981 royalty enforcement. Achieved ~100% unit-test coverage with Foundry.
DDG LLC
Aug 2021 โ Oct 2022
Developed NFT-backed lending protocol (60-75% LTV) with on-chain oracle liquidation triggers. Wrote C++ smart contracts for EOSIO and custom node plugins. Designed off-chain indexer (Node.js + PostgreSQL) sustaining <100ms query latency at 15,000+ NFT scale. Contributed to $2.5M+ trading volume on Novarally over 6 months.
BSc ยท Computer Science
? โ 2022