Tech Lead Or Senior Engineer
. Designed then built a chatbot service based on MQTT with a capacity of 1,000,000 connections and 10,000 messages per second that eventually went into production. Redesign the architecture of recommendation system include data pipeline, aggregator concept to reduce costs by 40% per month . Redesign algorithm of recommendation system to make non-realtime api become real-time, also improve api avg latency from 2 second to less than 0.5 seconds . Successfully improved daily user session time by approximately 250%. In a multi-language search context, enhanced accuracy and improved performance by
Full-time / Interested in working remotely