Designed and implemented complex Web UIs and web plugins like chatting bot

Developed intergrated database architecture to handle communication among

Designed and built RESTful APIs and ETL pipelines with various database servers

Optimized the cluster to better handle heavy and spiky traffics by adapting

Implemented an internal logging system which monitors server loads and detects

Established internal machine learning architecture and automatic training

Worked as tech leader helping the team form up high level project planning and

Design and implement RESTful APIs supporting various manipulations toward database.

Database migration from ElasticSearch to Druid.

Designed graph database in neo4j, including export and import database.

Design machine learning models for user behavior prediction using TensorFlow estimator.

Design recommendation system for customer support team based on static and dynamic data.

Developing company websites including website logical design, efficient rendering, etc.

Developed and tested API services to retrieve specific data from database when user hit endpoints.

Log and analyzed events based on user behavior using Google Analytics.

Implemented the full stack system and client web app using Django and React.

Generated and processed the dataset for statistical analysis and machine learning

Developed Multi-face Recognition System.

Extracted every single face under multi-face setting.

Trained model by applying Local Binary Pattern Histogram(LBPH) to top-k principal feature vectors from single face database.

Developed an internal API and tested it under small class setting.