● Develop microservices using gRPC to provide content product backend service.● Create a content search service with Elasticsearch to provide multi-apps user searching.● Develop recommendation system deduplication and cover strategies.● Develop tool products, such as contract generation, automatic signing and audio streaming service.● Resolved any problem issues, and optimize server performance.● Trained and coordinated new personnel.● **Tech stack**: Golang/Python, Mysql, Redis, Elasticsearch, Kafka

● Develop game real-time data panel.● Develop a data collection service to collect data from web pages and websockets.● Develop CSGO game video parser.● **Tech stack**: Golang/Python, PgSQL, Redis, Celery

● Develop educational app backend services.● **Tech stack**: Python, Mysql, Redis