- Responsible for campaign delivery service of a MarTech product that can sends customized content to millions of users in few minutes. - Responsible for cross team product that requires heavy communication skill. - Migrated report generation pipeline to cloud-native solution by Argo Workflow. - Surveyed OLAP databases that could improve analytical queries performance by 80% compared to OLTP database on trillions of rows.

- Migrated frontend framework from AngularJS to Angular. - Introduced typing system by Typescript for better maintainability. - Optimized MySQL query with Django ORM for better performance and deadlock issues. - Coached junior developers. - Run a Scrum team with 8 members, defining features and Sprint Goals with team members. - Performed code review for better code quality.

1. Using MCTS and other ML techniques to build bots for card games. 2. Building an automated logs processing procedure to find cheating players. (Python/Tensorflow & Pytorch, Scala, Java) 3. Using Telegram chatbot with NLP to deal with routine work in enterprise like meeting room arrangement, attendance management, etc. (Google Dialogflow, Python/Django)

1. Analyzing missile performance with 6D simulation. (C++11, Python) 2. Designing missile guiding system. 3. Building CNN for target recognition. (Python) 4. Project management.