I am a Blockchain Developer and Software Architect with over 9 years of experience building decentralized applications and robust backend infrastructures. I specialize in multi-chain development, with deep technical expertise in Solidity, Rust, Go, and TypeScript across ecosystems including Ethereum, Solana, TON, Cosmos, and Bitcoin.
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Languages: Solidity, Rust, Go, TypeScript, JavaScript, Tact.
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Blockchain: TON, Solana, Polygon (ZkEVM), Ethereum, Cosmos, Bitcoin, SUI, Skale, Avalanche.
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Frontend: React (NextJS), Angular, Vite, Ionic.
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Backend: NodeJS (NestJS), GraphQL, Python, Go.
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Infrastructure: AWS (EC2, Lambda), Google Cloud Services, Docker, Firebase, BigQuery.
March 2025
- Developed Solana Rust smart contracts using Anchor in order to allow internet plan subscriptions.
- Worked on Go backend in order to expose API to customers, listen to Smart contract events and update customer data.
- Migrated Rust backend to Go keeping the same API.
May 2023 – March 2025
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PYTON: Developed Solidity/Tact smart contracts and modified a Go-based ZkEVM node to sync Polygon L2 with TON L1.
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Opsin: Built multi-chain user vaults and swap logic using Rust (Solana) and NestJS, with Clickhouse SQL for data ingestion.
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Swisstronik: Created TypeScript/JavaScript libraries for cross-chain interactions between EVM and Cosmos.
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Zenrock: Built a cross-chain bridge for SPL tokens linking Bitcoin, Zenrock, and Solana via Go and Cosmos modules.
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Runemine: Developed a high-performance Bitcoin indexer for Runes transactions using Rust and SQLite.
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One Balance: Implemented ERC-4337 account abstraction and integrated Turnkey for secure trading.
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7k AI & Tars Staking: Developed AI-driven trading UI (SUI) and Solana staking/DAO smart contracts in Rust.
Dec 2021 – May 2023
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SatoshiSync: Engineered a cross-chain bridge to migrate Bitcoin Ordinals and BRC-20 tokens to EVM and Solana.
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DeWallet & LiveCGI: Developed a Chrome extension for ERC-721 and an ERC-1155 marketplace with an Ethereum bridge.
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Bridge Tower & Rainmaker: Architected NFT marketplaces on Avalanche and multi-chain staking platforms on Polygon/Ethereum.
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NEOM & Clow Cash: Designed ERC-721 marketplaces and secure ERC-20 token vesting platforms.
Jan 2022 – July 2022
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Solana Pay: Built a retail payment platform for QR transactions and internal SPL token swaps.
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Arbitrage Bot: Developed an automated AMM bidding bot and management interface using Rust and AWS.
May 2021 – Dec 2021
- Crypto APIs: Led the implementation of scalable APIs and GraphQL schemas for cryptocurrency data.
May 2021 – Dec 2021
- Team Lead & Architect: Led developers in building high-performing web/mobile apps using Ionic, Firebase, and BigQuery.
2018 – 2021
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Diamond Algorithm: Architected a robust smart contract system for flexible and upgradable platform governance.
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STO Platform: Led the design of blockchain-based platforms for tokenized assets.
2017 – 2018
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RentPeacefully: Developed a property listing platform integrating cryptocurrency payments.
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Cryptoway: Built backend services for high-frequency trading data using NodeJS and MySQL.
- Electronics Engineering | Simón Bolívar University (2011–2018).
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📧 Email: lesther.tech@gmail.com.
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🔗 LinkedIn: in/itslesther.