yuyigz

Senior D App Full Stack Engineer

I am writing to express my strong interest in joining your team as a Full Stack Developer. With over 8 years of dedicated experience in full-stack development and a passion-driven career transition, I bring a unique combination of technical expertise and proven results in the Web3 ecosystem.

Career Transition & Self-Driven Learning

My journey into full-stack development began with a deep passion for web technologies. Starting from a completely different industry background, I successfully transitioned to full-stack development through self-directed learning and hands-on experience. This transition demonstrates my strong learning ability, adaptability, and genuine passion for technology. Since 2022, I have been actively involved in DApp development, staying at the forefront of Web3 innovation.

Deep Understanding of DeFi Protocols

Through extensive code analysis and hands-on experience, I have gained comprehensive understanding of Uniswap V2, V3, and V4 protocols. This deep technical knowledge has enabled me to:

  • Build liquidity management platforms based on Uniswap V4 hooks at Bunni Protocol
  • Develop advanced liquidity shaping and dynamic fee adjustment modules
  • Implement LP profitability optimization strategies that improved yields by 20%+
  • Help multiple projects migrate from Uniswap v2/SushiSwap to v3 for enhanced capital efficiency

Large-Scale Project Experience & Communication Skills

My experience spans multiple Fortune 500 companies, including HSBC Investment Banking and Private Banking divisions. I have successfully:

  • Delivered end-to-end solutions for complex financial systems
  • Collaborated effectively with international teams across different time zones
  • Demonstrated strong communication skills in English meetings, presentations, and written correspondence
  • Worked seamlessly with design teams using Figma and other collaboration tools
  • Maintained excellent remote collaboration practices with teams across APAC and EU time zones

Self-Built Projects & Innovation

I have developed several personal DApp projects that showcase my full-stack capabilities:

  • Pyro Wing DEX: A complete decentralized exchange built from scratch, including factory contracts, routing, frontend/backend integration, and liquidity management
  • Pyro Wing Stake: A decentralized staking platform with ERC20 token and staking contracts
  • Pyro Wing Wallet: A browser extension wallet with transfer, receive, and token management features
  • Personal Tech Blog: A full-stack blog with authentication, comments, and MCP service integration

Technical Expertise & ResultsMy technical stack includes:

  • Frontend: React, Next.js, TypeScript, TailwindCSS, Vue, Angular
  • Web3: Solidity, Hardhat, ethers.js, viem, wagmi, WalletConnect, EIP-712 signatures
  • Backend: Node.js, Scala, Java, Python, SQL, MongoDB
  • Cross-platform: Electron, React Native, Mini Programs
  • DevOps: Vercel, Jenkins, Docker, Nginx

Proven Impact

  • Improved critical system performance by 25% through gas and network optimization
  • Enhanced team delivery efficiency by 50% through reusable component development
  • Successfully managed protocols with TVL exceeding $10M
  • Developed SDKs adopted by multiple DeFi projects
  • Reduced system latency by 20%+ through request optimization and caching strategies

Why I'm a Strong Fit

My combination of self-driven learning, deep technical expertise, and proven results in both traditional and Web3 environments makes me an ideal candidate. I bring not only technical skills but also the passion, adaptability, and communication abilities necessary to thrive in dynamic development environments.

I am excited about the opportunity to contribute to your team and would welcome the chance to discuss how my experience and passion for technology can benefit your organization.

Thank you for considering my application. I look forward to hearing from you.


Experience: 8 years

Yearly salary: $60,000

Hourly rate: $35

Nationality: 🇨🇳 China

Residency: 🇨🇳 China


Experience

Senior DApp Engineer (DEX)
Bunni Protocol
2022 - 2024
Built liquidity engine UI based on Uniswap v4 hooks. Developed liquidity shaping and dynamic fee adjustment modules.
Full Stack Developer
Symbio (China) Co., Ltd. · HSBC Investment Banking MSS-FICC-MKTY Project Team
2021 - 2022
Independent frontend and backend development to production; multiple solution comparisons and optimal solution communication.
Frontend Developer
Chinasoft International Co., Ltd. · HSBC Private Banking PAYMENT Project Team
2019 - 2021
Refactored legacy modules and improved code quality via modular design.
Frontend Developer
Isoftstone Information Technology (Group) Co., Ltd. · Huawei Hardware Testing Digitalization
2018 - 2019
Data visualization and report export modules, test result backfill and statistics modules.
Frontend Developer
Guangzhou Pugu Technology Co., Ltd.
2017 - 2018
Bidding and Procurement Data Analysis
Gongcheng Management Consulting Co., Ltd.
2014 - 2017
Bidding and Procurement Data Analysis
Zhongjie Communication Co., Ltd.
2007 - 2014

Skills

front-end
english
chinese-mandarin