J

Justin Y Lau

About

Detail

Washington, United States
Contact Justin regarding: 
work
Full-time jobs

Timeline

work
Job
school
Education

Résumé

Jobs verified_user 0% verified
  • B
    Software Engineer
    Bayer - The Climate Corporation
    Feb 2025 - Current (1 year 8 months)
    Delivered new features while refactoring legacy JavaScript codebases toward TypeScript standards. Owned and launched "Planting" and "Applications" reports, extending core reporting capabilities. Implemented comprehensive test strategy — unit, integration, and E2E (Cypress) — with Datadog test reporting and dashboards for continuous quality tracking. Optimized data fetching and render performance across micro-frontends, achieving ≈ 90 % latency reduction through caching, batching, and cross-team schema design discussions. Collaborated cross-team with data and platform engineers on API contracts, schema design, and deployment orchestration, improving reliability and release velocity.
  • S
    Founding Engineer
    SoulGuide
    Nov 2024 - Current (1 year 11 months)
    Architected and built SoulGuide's entire platform — frontend, backend, runtime, and infrastructure — from prototype to production as a single-engineer founding build. Designed a contract-first monorepo with shared type libraries and cross-package interfaces, ensuring full type safety and API consistency across services and clients. Engineered modular service boundaries (Express + AWS Lambda) backed by a shared runtime SDK, reducing integration bugs and accelerating new feature delivery. Defined core infrastructure and developer experience via AWS CDK/GitHub Actions/hotswap CI/CD Established platform-wide observability and reliability patterns, resolving data integrity and performance issues through structured logging, tracing, and validatio
  • B
    Software Engineer Intern
    Bayer - The Climate Corporation
    Jun 2024 - Sep 2024 (4 months)
    Built an AI chatbot for farmers and customer support, integrating TypeScript, GraphQL, OpenAI/Llama3, and LaunchDarkly. Improved builds by 75% faster times with Webpack and Babel; tested with Cypress/Jest
  • U
    Associate Software Engineer
    Urban Forest Ecosystems Institute
    Mar 2024 - Sep 2024 (7 months)
    Built a Nursery marketplace with dynamic React components with GraphQL APIs, SQL queries, and indexed tables, improving data retrieval by 30%. Stack: TypeScript, Redux, TailwindCSS, Node.js, Express, Docker Led Cypress and Jest test suite development, completing end-to-end testing for major functions across the app
  • EDUrain
    Software Engineer Intern
    EDUrain
    Sep 2023 - Jun 2024 (10 months)
    Built Stripe/React/Node.js/Firebase payment system (300% revenue growth) for student housing app
  • Mindbody
    Software Engineer Intern
    Mindbody
    Jun 2023 - Aug 2023 (3 months)
    Designed and implemented high-quality Playwright E2E tests, improving reliability and cutting test runtime by 50%
  • C
    Associate Software Engineer
    Cal Poly - California Cybersecurity Institute
    Mar 2022 - May 2023 (1 year 3 months)
    Reached 100,000 requests/min with low latency (20 ms) and error rate (0.1%) for a real time competition site Built automated versioned AWS infrastructure with API Gateway, DynamoDB, S3, EC2, Lambda, and Elastic Beanstalk, and led a 1,000+ user cybersecurity site using React/Redux, Express, and WebSockets
Education verified_user 0% verified
  • Georgia Institute of Technology
    Master of Science
    Georgia Institute of Technology
    Jan 2025 - Current (1 year 9 months)
  • California Polytechnic State University
    Bachelor of Science
    California Polytechnic State University
    Jan 2021 - Jan 2024 (3 years 1 month)