Vinh Le

F

Lead Blockchain Developer

FirstBatch

Jan 2025 - Current (1 year 7 months)

Building Dria - Decentralized Synthetic Data Generator and Swan - Al Agents Marketplace ($9M raised). Architected and deployed smart contract infrastructure for Dria and Swan platform. Engineered backend services, SDK and cryptography-related tooling that reduced transaction costs by 25%.

C

Senior Backend Developer/Smart Contract Developer

Cega Finance

Apr 2024 - Jan 2025 (10 months)

Cega offers safer, higher yield strategies as DeFi's leading structured investments protocol ($10M+ raised, $85M valuation). Developed a high-performance options settlement system handling $10M+ in weekly transaction volume, achieving 99.99% uptime and reducing settlement times by 40% through optimized async processing. Developed and deployed DeFi structured product smart contracts/integration including Shark Fin options, Dual Currency Swaps, and Fixed Coupon Notes, facilitating over $600M in total traded notional while maintaining zero security incidents. Designed and implemented real-time pricing oracle system for exotic options products, processing 500k+ daily price updates with sub-second latency and 99.9% accuracy.

C

Blockchain Developer

Caliber team, Kyber Network

Apr 2023 - Apr 2024 (1 year 1 month)

Industry-leading multichain trading/liquidity hub connects liquidity from sources, to enable trades at the best rates ($50M raised). Led the architecture and implementation of decentralized cross-chain messaging and bridging solutions, significantly enhancing transaction efficiency and fostering increased cross-chain activity. Drove project development of open-source community projects such as FriendTech Explorer, ETH Faucet, DoveBTC, and ProofScan, contributing to 15% growth in community/developer engagement and adoption. Optimized network node management, token staking, and testnet participation processes, ensuring a 99.99% uptime and significantly enhancing blockchain application robustness.

Blockchain Developer

Nethermind

Jan 2022 - May 2023 (1 year 5 months)

Leading blockchain infrastructure company building Ethereum clients, Layer 2 tooling, and enterprise blockchain solutions. Contributed to Starknet L2 tooling including Juno full-node client development, improving sync speed by 30% and reducing memory usage by 25%. Developed blockchain core infrastructure optimizing Ethereum client performance across 5+ EVM chains with 99.9% uptime. Collaborated with major DeFi protocols (Aave, Uniswap) on L2 integrations handling $100M+ TVL migrations. Participated in open-source development with 50+ merged PRs, contributing to 20% increase in Starknet developer adoption.

C

Blockchain Developer

Crystalize.dev

Jan 2021 - Jan 2022 (1 year 1 month)

Outsource audit/web3/smart contract development firm. Engineered functional DApps, including DEX, NFT collections, and DeFi protocol, which collectively facilitated over $10M in transactions and attracted 10,000+ users globally. Led security audit team performing audits, using Slither/Echidna and manual verification, identifying critical vulnerabilities in 15+ contracts, safeguarding over $2M in assets from potential exploits.

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