Lead the Auction Project, to create a new trading mode from 0 to 1. Lead the Multi-Site High Availability Project, and deeply understand the system design and underlying technology mechanism in the field of e-commerse trading system. Build a 12-person team by recruiting 5 new students, and manage the team by training the team PM, system owner and stability leader, defining the norms within the group, and making medium and long-term technical plan of the team.（1）Auction Project (2021.10… Show more Lead the Auction Project, to create a new trading mode from 0 to 1. Lead the Multi-Site High Availability Project, and deeply understand the system design and underlying technology mechanism in the field of e-commerse trading system. Build a 12-person team by recruiting 5 new students, and manage the team by training the team PM, system owner and stability leader, defining the norms within the group, and making medium and long-term technical plan of the team.（1）Auction Project (2021.10 - 2022.02)Background: Building auction business from 0 to 1, which leverages the supply of artwork, satisfies the sales demand in the art industry, and enhances the tone of the platform.Role: Tech lead, cooperating with 18 domains, taking 2 and a half months. Design the technical architecture of the auction business, and create two new sub domains: activity and bidding, which provides two bidding modes (conventional and entrusted), and three supply chains modes (direct delivery, deposit and warehousing). In the project, Redis is used to solve the technical problems (delay time boundary, information update and display).Business Performance: 382 pieces were auctioned, 87 pieces (23%) were bidden by users, 29 pieces (8%) were traded successfully, GMV ¥110784 , and the piece unit price was ¥3820. Art tab click UV and 7-day return visit rate are more than 2 times higher than the average.（2）Multi-Site High Availability Project (2022.02 - 2022.04)Background: Cooperate with the infrastructure team to build the business level disaster recovery capability.Role: Tech Lead, taking 3 months to complete the business code changes related to gateway, RPC, message, cache, database, etc. Problems of cross site database operation, cache update, message disorder, distributed lock are solved.Project Result: Finish business code change and complete the release. Show less

Alibaba Cooperation, Tmall Supermarket, Technical ExpertLead the Promotion Project of the New Year Festival, the Tmall App Plus Project and the Nanniwan project of tmall supermarket, familiar with e-commerce full business process, and have an overall understanding of B2C and O2O.（1）Tmall App Plus Project (2021.04 - 2021.09)Background: By optimizing the transaction paths of Tmall App (including shopping bags and one-step payment, etc.), reduce the decision-making steps of… Show more Alibaba Cooperation, Tmall Supermarket, Technical ExpertLead the Promotion Project of the New Year Festival, the Tmall App Plus Project and the Nanniwan project of tmall supermarket, familiar with e-commerce full business process, and have an overall understanding of B2C and O2O.（1）Tmall App Plus Project (2021.04 - 2021.09)Background: By optimizing the transaction paths of Tmall App (including shopping bags and one-step payment, etc.), reduce the decision-making steps of consumers' transactions and improve the transaction conversion rate through concise and clear information display.Role: Tech Lead, working with a team of 10 people, including client, server, Alipay, etc.Business Performance: The transaction conversion rate has increased from 71.19% to 77.48%, and the number of users who have registered one-step payment of mobile tmall has exceeded 250 million.（2）Promotion Project of the New Year Festival (2020.12 - 2021.01)Background: Support the promotion business (Tmall App, Tmall supermarket, etc.) from January 17 to January 31, including qps estimation, preparation plan making, pressure test, and activity preheating, etc.Role: PM for the stability, working with a team of 50 people.Business Performance: During the 15-day promotion activity, the accumulated GMV reached 4.35 billion, year-on-year increased 33%.（3）Nanniwan project of Tmall Supermarket (2020.10 - 2021.02)Background: Through the establishment of Tmall Supermarket's self operated warehouse, enhance the ability of fresh and frozen products, support the far-field and near-field sales requirements.Role: Tech Lead, working with a 10 person team.Business Performance: By March 2021, 1500 orders per day and ¥40000 GMV. Show less

Ant Group, Business Risk Department, Technical ExpertLead the Insight Project, analyze the data of the accounting & clearing system of transactions through technical and data methods, depict the business flow, mine risk points, and build monitoring and defense capabilities.

Work as a C++ developer in Execution Services technology group, which provides front to back solutions to the APAC Equity and Execution Service business. With colleagues in Tokyo, develop and maintain C++ framework of ModelEx and IndexArb , and work with quants team to integrate strategies into the framework.ModelEx (algorithmic trading suite): its strategies (VWAP, TWAP, etc.) respond to real-time market data sources and statistical signals to achieve high execution quality.IndexArb… Show more Work as a C++ developer in Execution Services technology group, which provides front to back solutions to the APAC Equity and Execution Service business. With colleagues in Tokyo, develop and maintain C++ framework of ModelEx and IndexArb , and work with quants team to integrate strategies into the framework.ModelEx (algorithmic trading suite): its strategies (VWAP, TWAP, etc.) respond to real-time market data sources and statistical signals to achieve high execution quality.IndexArb (proprietary application): manages arbitrage trading among ETFs, Futures and cash baskets, and market making of Nomura's ETFs and Futures. Show less

Within 4-5 person teams (Shanghai and London) , develop and support of various components of FX option trading system using Java and Scala, which are used by sales, trader and external client. Systems include Java-based quoting engine, which receives FIX messages of quoting request. More than 20 automatic quoting engines work together for high availability. 2 manual quoting engines for sales to adjust quoting result for special cases.

Software development

Software development

Internet Security

Compiler Design