Tinsley Lau

About

💡 Tech focus: React, Next.js, TypeScript, Node.js, GraphQL, ethers.js, viem, wagmi, Web3 protocols, DeFi architecture, serverless backend (AWS), CI/CD

Experience

• Cronos | Cronos Labs (2 yrs 8 mos)
  • Senior Software Developer, Canada
    Mar 2023 - Apr 2025 · 2 yrs 2 mos

  • Senior Software Developer, HKSAR
    Sep 2022 - Mar 2023 · 7 mos

• Crypto.com (Hong Kong SAR)
  • Senior Software Developer
    Sep 2022 - Dec 2022 · 4 mos

    DEX team - Frontend squad lead • Main frontend IC for the flagship DEX on Cronos, helped scale to $1.45B+ TVL • Developed a hybrid NFT marketplace with Maker-Taker order model (Next.js, ethers.js, smart contracts) • Implemented SEO, analytics, and custom event tracking using GTM, Elastic APM, and Kibana

  • Software Developer
    Oct 2021 - Sep 2022 · 1 yr

    • Built and led frontend for the flagship DEX initial launch on Cronos chain • Built frontend architecture from scratch (React, TypeScript), integrating with smart contracts and subgraph/indexer data • Designed and deployed public-facing token APIs (Node.js + Redis cache) used by CoinGecko / CMC

• Analyst Programmer, ISSD at Hongkong Post
  Nov 2018 - Oct 2021 · 3 yrs

  Worked under E-Service Development, Information System Services Division • Led frontend and backend development of the HKSAR $10,000 Cash Payout Scheme, serving millions of citizens • Achieved WCAG 2.0 AAA accessibility compliance and full i18n across the app • Built a fullstack internal approval system using Angular, Spring Boot, and Activiti BPMN engine • Integrated with internal auth systems and fully eliminated paper-based workflows

• Analyst Programmer at Alliance Computer Systems Ltd.
  Sep 2017 - Oct 2018 · 1 yr 2 mos

• Programmer at LAWSGROUP 羅氏集團
  Mar 2016 - Aug 2017 · 1 yr 6 mos