James Dong

Experience

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  SkillUpIT

  Mar 2023 - Sept 2023

  Software Engineer Intern

  • Spearheaded development and optimization of "Limited Time Discount & Buy Now" feature, integrating Redis and RocketMQ with the MySQL master-slave architecture, resulting in a tenfold increase in throughput to 50,000 queries per second (QPS) • Pioneered segregation of order service into discount and order microservices in line with Domain-Driven Design (DDD) principles, boosting system resilience. Executed unit tests using JUnit and Mockito, increasing test coverage from 60% to 85% • Designed asynchronous order creation with RocketMQ, reducing 20% error rates during peak loads and increasing system reliability ◦ Developed a "Pay-Check & Cancel" mechanism, leveraging delayed message consumption to manage payment verification; Fine-tuned MySQL's optimistic-lock mechanism to expedite inventory updates and streamline order processing pipeline Show less

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  SwapU, Inc.

  May 2023 - Aug 2023

  Software Engineer Intern

  • Revitalized user interface of an iOS application by employing Swift and SwiftUI, resulted in a daily active users enhance from 0 to 50+ and improved user engagement by 30% • Reengineered web application stack using React and Node.js, coupled with Firebase, to enhance responsiveness and efficiency, achieving a 25% surge in page load speed ◦ Instituted a verification process with ".edu" email-only registration, curtailing random email sign-ups by 40%; Seamlessly integrated Stripe for payment processing, fortifying transaction security and elevating user satisfaction levels by 20% Show less

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  Tesla

  May 2024 - Aug 2024

  Software Engineer Intern

  ◦ Engineered 8 RESTful APIs across stacks and database management system, leveraging React, C#, .NET and MongoDB to handle GB-level data, assigning specific permissions and allowing business users to manage and update FICO bands, credit ratings, and APR configurations for Tesla's global financial products.◦ Debugged and reduced backend intervention by 50% and boosted developer operational independence by 30% ◦ Developed and deployed a distributed system by C#, MySQL and Jenkins for publishing promotion updates to Financial Disclaimers onto a RabbitMQ queue, enabling seamless data consumtion by cross-functional teams and stakeholders, resulting in a 100% in accuracy and a 50% reduction in promotion time ◦ Redesigned the Financial Products storage infrastructure to dynamically communicate with multiple databases based on request identifiers, improving operation accuracy by 40% for Tesla's business users across environment Show less