Ziquan Cheng

**** * ********* ***, *** Angeles, CA 90007

+1-213-***-**** ǀ adzwo2@r.postjobfree.com

Education Background

University of Southern California Los Angeles, U.S. Master of Science in Applied Data Science (CS dept.) GPA: 3.7 /4.0 Jan. 2022 – Dec. 2023 Course: Operating System, Algorithm Analysis, Machine Learning, Web Technology, Knowledge Graph, Data Mining. Beijing Jiaotong University Beijing, China

Bacholar of Science in Economics, GPA: 3.5 /4.0 Sept. 2017 – June 2021 Course: Econometrics, Applied Statistics, Python, C++, Linux, Algorithms, etc. Technical Skills

Web Frameworks: NodeJS, Django, Flask, Angular Cloud Service: Git, AWS, GCP Databases&Cache: MySQL (Relational/SQL), MongoDB (NoSQL), PostgreSQL, Neo4j (KG), Redis Languages: Python (>6 years), C/C++ (3 years), Cython, Java, HTML/CSS/JS/TS, XML, JSON, SQL, shell, Cypher, SPARLQ,XQuery. Professional Experience

Gaia Qingke Private Equity Fund Management Co., Ltd. Quant Developer Intern Shenzhen, China May 2023 – Aug.2023 Main Outcome:

[Development] Using Cython with C++ to optimize the backtesting speed. Release GIL with multi-threading, making it possible to iterating millions pairs of parameters in a hour.

[Development] Build a Web-Socket auto-update framework fitted into Back-end, made interface for easily adding new nodes.

[Optimization] Optimize real-time data system using Cython/C++ with parallel technique, make chains 15 times faster.

[Optimization] Refactor and optimized Future order sending API and position management framework. AInvest (Beijing), Co., Ltd. Quantitative Researcher Intern Beijing, China June 2021 – Dec. 2021 Main Outcome:

[Development] Developed the server side of distributed trading system using C++, data and order functions all pass the test.

[Development] Conceive and build a Exchange thread to realize order simulation matching and transaction information push.

[Development] Build a technical-index calculation system with a convenience interface for adding new indexes.

[Trading Strategy] Researched and Successfully performed Silver Futures Statistical Arbitrage Trading Strategy.

[Outcome] Recognized as a "Model Intern" by the CEO. Centrin Data System, Co., Ltd. Data Analyst Intern Beijing, China Sept. 2020 – Jan. 2021 Main Outcome:

[Development] Develop data processing system, adapt to win and linux systems. Automate data preprocessing, model building and analysis, and integration with MySQL databases, resulting in a streamlined process for generating monthly reports.

[IT Support] Assist the work of the IT department, deploy NLP sentiment analysis project on the server, and analyze the positive/negative direction of enterprise risk items. Infrastructure and Full-stack developing Projects

C++ Back-testing Framework Infrastructure C++, Python June 2023 - July 2023

It is a callback framework designed for iterating pairs of parameter and analyzing performance in backtesting. Distributed Trading System Infrastructure C++ 17, Multi-threading, MySQL, Memory-sharing Jun. 2021 – Jun. 2022

Implemented in C++17 standard consisting of server and client parts. The system build with sprite of “unifying back-testing, simulation and real trading platform and APIs”. Through socket and shared memory carry out process communication. LA rental Informational Website Full-stack & Data Craw Python, Node.js, MongoDB Feb. 2022 – May 2022

It is a website allowing users to search rental info, finding roommates, post sheets and grant requests. We have a user login system, rental info search system and a roommate finding system. Utilized a web crawler to gather rental information Industrial recommendation solution for startups in LA Full-stack & Model Dev Flask, React,MySQL Feb. 2023 - Apr.2023

The recommended industry is displayed on the interactive front-end webpage with a map, and the recommended data of different regions can be obtained by hovering the mouse and clicking on different regions. Event Ticket website in the United States Full-stack Angular, NodeJS, Bootstrap, JS/TS, Android Mar.2023-Apr. 2023

Design a website for searching and buying ticket. Create a Android app using Android Studio to display the above content on mobile phone.

Other Info

Language Proficiency: English(Fluent), Mandarin(Native) Graduation Time: 01/2024 Linkedin: <https://www.linkedin.com/in/ziquancheng/>

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