Leon C. Email & Phone Number

Vancouver, Bc, Ca

Shenzhen

- Led the R&D team to build Tencent Meeting customized privatized application and conference SDK by using C++ for important business customers, and provided access technical support.- Optimized the develop process, unify branch management and pipeline design, standardize delivery products, reduce communication costs, reduce error probability, and improve delivery efficiency.- Established the customizable capabilities of privatized apps (for Windows, Android, iOS, MacOS). Shorten the workload of customization development from more a week to one day. And made the core customization functions into server configuration.- Led the team to build 2nd-generation SDK with unified standard in different platform, better interface design and easier to access. The number of business customers had increased from 3 to 55 in one year.- Built the automated interface testing system for SDK, and auto testing in the SDK build pipeline, reduced the proportion of SDK interface problems after delivery from 34% to 5%.- Designed the core indicators and performance reporting and statistics system of SDK products, and monitor the stability of online products at all times.- Won the Outstanding Newcomer Award of Tencent Meeting Department in April 2021- Won the Honor of Outstanding Contributor in the assessment in H1 2021- Won the Outstanding Owner Award of Tencent Meeting Department in September 2021

Beijing

- In the extreme shortage of staff condition, kept company business running well, and meanwhile recruited and coached staffs in a short time to assemble new R&D team.- Led the team to develop and maintain the cryptocurrency trading system including spot trading and contract trading by using Golang, microservice and AWS.- Established market-making quantitative system for exchanges by using Python, microservice and AWS.- Explored ToB business, optimized and standardized the ToB access process, established self-service console platform for merchant, which greatly reduces the difficulty of customers' access and significantly shortens the technical integrate cycle, from 2 months to 2 weeks. With the same human resources input, the number of customers had increased by 4 times.- While providing better quality of services, continuously save company expenses, coordinate front-end and back-end engineers to optimize various interfaces, data, interactive processes, and system structures. In-depth cooperation with AWS, using the best practices of AWS cloud computing technology, reducing server costs by 21%, the performance improved by 3 times.- In order to ensure security of the company's funds, led to establish the on-chain fund reconciliation system, the transaction risk control system and a monitoring and alerting system.- In less than half a year, helped the company achieve both ToC and ToB businesses growth, turned the company around into profit, and steadily increased revenue.- Led the team to build a 2nd-generation trading platform system and SaaS service, which greatly improves the performance and user experience, make the service architecture more scalable, more stable.

Beijing

- Played an important role in cryptocurrency exchange server development for the spot, option and perpetual contracts trading. Led the team to build the basic platform services using Go and Python and developed the option and contract trading system. Responsible for providing trade Open API and technical support for 3rd party quantitative trading team.- Based on the current exchange platform architecture, established contract trading cloud platform to provide services of perpetual contract trading and orders’ depth sharing for the 3rd party exchanges. This business provides the company with 30% - 40% income.- Designed and constructed the market-making system for the better trading liquidity of our exchange, meanwhile minimize the risk of market-making through the hedging strategy.

Beijing

- Led a team to establish a worldwide blockchain fair gaming platform, and launched various blockchain games, including the world’s first decentralized slot machine game by smart contract on Ethereum mainnet, Texas Hold’em Poker with decentralize fairness proof by blockchain technology and Crypto City which provided game assets stored and transacted on the blockchain.- Organized and developed backend services for blockchain-based gaming platform that provided open API for the traditional game manufacturers to access blockchain.

Beijing

- Started up, recruited and organized the technical team for the company.- Led and developed an Android Emulator called “QuanMin Game Assistant”, which helps players tosmoothly play the mobile games with better experience on Windows through virtualization technology. It supported Dual-Engine VM and multiple instances, and provided better compatibility and higher performance for gaming. Within one year, our product reached the top 3 in the Android Emulator market.- Led team to build Android and iOS Open SDK for mobile games. The SDK provided our own account and payment support for game manufacturers and distribution channels, it became the main source of company revenue.- Established the CI system by Python and Jenkins for software building and releasing, made the product development processes more standardized and automated, which doubled the efficiency of production.

Beijing

- Led development team using C++ to build and maintain the “Soft Manager” in “360 Safe”, which is the largest security software for users in China. Be responsible for solving plenty of complicated online problems.- Redesigned and refactored the architecture of the software, made it 2 times faster with 1/4 resource capacity and easier maintenance.- Created the Common Library for client development, including many utilities such as client framework, libraries of UI, networking, processes, communications and file systems etc. It was widely used by multiple teams in company.- Built automatic CI system by Python, improved efficiency of programs’ compile, signature, backup, tagging, testing and releasing progress. It was widely used in projects of the team.- Obtained national patent for the company.- Recruited the engineers for the company and trained junior engineers as mentor and supervisor.

Shenzhen

- Participated in main development of the software QQ (using C++), which was the top one instant message software in China, servicing billions of users worldwide.- Led and developed QQ Group in QQ Group Feature Team as owner, created essential features such as group feeds channel, group mini-portal, apps in the group, made the QQ become the largest user scale group community in China.- Obtained serval national patents for the company.- Recruited the engineers for the team and trained junior engineers as the mentor.

Shenzhen

- Participated in main development for the QQ, which is the top one IM software in China, servicing billions of users worldwide. - Optimized the performance and solved many memory leaks in QQ software, greatly shortening startup time and accelerating the response for user operation, the performance was 40 times faster than before.- Summarized the reasons for the performance problems in QQ, and held the training for all the member of the team to help them avoid performance issues while coding.

Master'S Degree, Software Engineering

Bachelor'S Degree, Computer Science