I am Lunghao, my friends call me Dragon, I used to fix aircraft, now I am a frontend dev in Tiktok
Experience
2024 — Now
2024 — Now
New York City Metropolitan Area
Main developers of Tiktok for Business’s general sso feature, design and developed the sso portal for KA customers(eg: Netflix, epic gaming.. etc)
Redesigned the TikTok for Business onboarding flow, eliminating the root cause of 70% of account binding errors and driving 85% of users to successfully link their TikTok accounts with TT4B.
Designed and launched the Agency Rewards Program, expanding support from 800+ to 2,000+ agencies. Drove opt-in rate growth from 12% to 25%, capturing 49% of total eligible revenue, and boosted new advertisers per agency by 84%, generating $31M in incremental revenue.
Orchestrated the front-end rollout of TikTok For Business to 10 new countries by auditing the existing codebase, mapping end-to-end user flows, and resolving country-specific edge cases. Ensured seamless onboarding across diverse markets, enabling $266K in immediate revenue post-launch and projecting $4.4M annually.
Led the security pillar of TikTok Business Center, engineering an account-takeover prevention mechanism and building the General SSO for TikTok For Business to strengthen authentication and safeguard advertiser accounts.
2023 — 2023
2023 — 2023
Seattle, Washington, United States
Sr. React Developer | Starbucks Jan 2023 - Aug 2023
(React.js, TypeScript, GraphQL, Figma)
Contracted via Antra for Starbucks MyDaily application
• Collaborated within the MyDaily team at Starbucks to develop a communication application for store employees.
• Implementing a series of features in message delivery, resulting in a 6% boost in store manager satisfaction.
• Translated Figma designs provided by the design team into fully functional and visually appealing UI mock-ups.
• Worked closely with the backend team for GraphQL APIs intergration, enabling efficient data retrieval and updates.
• Implemented feature flags to facilitate controlled rollouts of new features, enabling A/B testing and promoting a data-driven approach to feature development.
• Developed specialized views catering to district managers, providing them with valuable insights and tools to manage multiple store locations effectively.
2022 — 2022
2022 — 2022
Denver, Colorado, United States
Frontend developer for CVS account flow
• Developed frontend applications for CVS account flow using Next.js.
• Constructed essential features for CVS account flow, including Digital ID, Keep me signed in, and forgot password.
• Enhanced and optimized the core frontend library for CVS internal usage
• Collaborated with the accessibility team for accessibility defects, enhancing the user experience for all CVS customers.
• Achieved an impressive 70% in Rx-tie rate for the CVS account flow, contributing to higher customer satisfaction.
2021 — 2022
2021 — 2022
Denver, Colorado, United States
● Bootstrapped a tech startup.
● Being selected by Create-X as part of the prestigious 2021 batch, ranking in the top 8% among over 1000 startups.
● Executed an early-stage marketing strategy that resulted in an outstanding 194% average weekly growth rate over a
3-month period. Discovered the first 350 early adopters and gained attention from Indie Hacker.
● Generated and seeded PostgreSQL with 10 million records and optimized queries to take < 2 ms
● Load-tested with K6 and horizontal scaled backend microservice to achieve > 1000 rps on AWS EC2 micro
● Deployed application using a microservice architecture with dockerized module
2021 — 2021
System design for a retail web app :
Technologies: Express, JavaScript, PostgreSQL, K6, AWS EC2, Docker, Jest
• Generated and seeded PostgreSQL with 10 million records and optimized queries to take < 2 ms
• Load-tested with K6 and horizontal scaled backend microservice to achieve > 1000 rps on AWS EC2 micro
• Deployed application using a microservice architecture with dockerized module
Education
University at Buffalo
Master of Science - MS
2018 — 2020
National Taipei University of Technology
Bachelor's degree
2013 — 2017