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Bùi Hoàng Ý

Fullstack TypeScript engineer for DeFi systems

0xWhyZi · Da Nang, Vietnam

Hoangy761exe@gmail.com@0xWhyZi@Whyziiiiiiiii

Summary

Skin in the game since 2021. Shipped wallet admin platforms and live trading bots across EVM, Solana, and perpetual venues.

Experience

  • Independent DeFi engineer, Personal systems

    May 2025 - Present

    Designing and operating trading bots for perps, delta-neutral LP hedges, and cross-chain meme execution.

  • Fullstack developer, Confidential Layer-1 · wallet core team

    May 2024 - May 2025

    Admin dashboard, API key provisioning, auth, and whitelist/blacklist flows for an Abstract-native wallet.

  • Researcher, Confidential Layer-1

    Early 2024 - May 2024

    Protocol and market research supporting BD and product decisions.

  • Business development, Confidential Layer-1

    2023 - 2024

    Partnership and ecosystem BD for a Layer-1 blockchain company.

  • Community manager, GameFi & Layer-1 projects

    2021 - 2022

    Community operations across early GameFi and L1 launches. Built the foundation for DeFi domain fluency.

Selected projects

  • Perpetual trading systems, Independent · NestJS

    May 2025 - Present · ~8 months live

    • Live execution across Extended, RiseX, and Arcus with entry/exit logic, risk controls, and PnL tracking.
    • Focused on operational reliability: continuous runtime, venue selection, and position hygiene under live market conditions.
    • Metrics: Volume ~$2M · PnL $300+ · Incentive points 350 · Runtime 8 mo

    Stack: NestJS, TypeScript, Extended, RiseX, Arcus

  • Abstract-native wallet (Privy-like), Fullstack · Core team

    May 2024 - May 2025

    • Built admin dashboard and operator flows for a chain-native wallet comparable to Privy-style embedded auth.
    • Owned API key setup, authentication surfaces, and user whitelist / blacklist administration.

    Stack: TypeScript, Admin dashboard, Auth

  • Delta-neutral LP + perp hedge bot, Independent · NestJS + Solidity

    2025 - Present

    Live · not yet profitable

    • Automates Uniswap V3-style LP on HyperEVM with a short hedge sized to LP HYPE exposure on Extended.
    • Rebalances on delta drift and out-of-range events to keep the book closer to market-neutral.
    • In production and still iterating. Strategy not yet profitable.

    Stack: NestJS, Solidity, HyperEVM LP, Extended · Strategy write-up

  • Meme coin trading · EVM + Solana, Independent · NestJS

    2025 - Present

    Live · not yet profitable

    • Data → execution pipeline: GMGN market data, ox for EVM swaps, Jupiter Aggregator for Solana.
    • Live systems with strategy still iterating. Not yet profitable.

    Stack: NestJS, GMGN, ox, Jupiter

Skills

  • Languages: TypeScript, Solidity, Java, Rust
  • Integrate: NestJS, Next.js, ox (EVM), Jupiter Aggregator, GMGN SDK
  • DeFi experience: DEX, Lending, PerpDEX, LP hedging

Education

FPT University Da Nang, Software Engineering (2020-2024), Excellent graduate

Writing