I am Lunghao, my friends call me Dragon, I used to fix aircraft, now I am a frontend dev in Tiktok
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
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
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.
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
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
2018 — 2020
University at Buffalo
Master of Science - MS
2018 — 2020
2013 — 2017
National Taipei University of Technology
Bachelor's degree
2013 — 2017