Experience
San Francisco Bay Area
2022 — 2023
San Francisco Bay Area
Contributed to the open-source library for generating UML diagrams based on Rails Active Record Associations using Ruby.
Implemented Sidekiq (Redis) to reduce performance incidents by 90%, eliminating timeouts for InvoiceGroup endpoints.
Developed an auto-generation system for subscription documents, reducing the average time by 2 hours per configuration file.
Investigated and planned the removal of the Parse ORM in favor of Prisma for MongoDB.
Reduced testing time by 20% by refactoring over 100 long function/Restful APIs and rewriting related unit tests using Rspec.
Utilized Docker and other containerization technologies to simplify the configuration.
Implemented rules on Datadog for analytic events and reduce unnecessary logging that require actions by 12%.
Worked in an Agile environment, participating in daily Scrum meetings to deliver high-quality software.
San Francisco Bay Area
Developed e-commerce web applications using Spring, Java, React, Redux, JavaScript, CSS, and HTML from zero to one.
Designed and implemented improvements to the company’s custom React UI library.
Integrated Stripe payment gateway API using Java.
Enhanced system resilience & tolerance using bulkhead, circuit breaker, rate limiter, and retry pattern.
Boosted notification retrieves performance with Redis cache, resulting in 0.4s latency deduction.
Designed and implemented notification service to generate and deliver notifications for more than 50 QPS with Spring Cloud.
Built event-driven services for decoupled services with Spring Cloud Stream and Kafka.
Configured routes using React Router, updated controllers and handled JSON responses.
Set up unit testing using Jest and React-test-render to finish End-to-end test (E2E) .
Debugged applications using browser tools such as Chrome Developer and React browser tools.
Improved code reusability using React High-Order-Components.
Education
2022
International Technological University (ITU)
Master's degree
2022
2017
UC San Diego
Bachelor's degree
2017