Senior Software Engineer2016 - PRESENTCoupang
- Designed and developed a pricing admin tool that allows eCommerce operators to map competitor products with Coupang products and confirm price matching.
- Architected the new data streaming system that replaced the old batch job and can handle more than ten times the current data load by using Apache Kafka.
- Improved and scaled the pricing system performance by optimizing query and implementing the new caching system using Redis.
Software Engineer2014 - 2016Amazon.com
Technologies: Java, AWS, AWS SWF, AWS DynamoDB, Amazon SQS, Perl, Spring, APIs, eCommerce
- Developed the back-end system to allow eCommerce vendors to publish their discount items to business customers.
- Designed and implemented the customer-facing application for the vendors to upload and manage their discounts.
- Designed the architecture for the new central platform that can scale and support multi-flavor products for business pricing projects. Developed the API for the central platform to create and track submissions from customers.