Jiajia Zhao's Email Addresses & Phone Numbers

📖 Summary

Software Engineering Intern @ MemSQL - Implementation of various features in a fast and distributed database From May 2014 to August 2014 (4 months) Operations Manager @ Highland Capital Management, L.P. Simplifies and centralizes crypto mining into one software.- Directly reporting to the company’s CEO, CTO and CMO on prioritizing potential projects and pushing for their smooth execution.- Created and managed Over-The-Counter trading systems for crypto-currencies with multiple desks.- In-depth user funnel analysis of the flagship product. Reported results and made suggestions to the Business Intelligence team.- Project leader on organizing and documenting the administration panel functionalities on multiple products for new hire training purposes.- Streamlined the company's customer support process. Compiled documentation that served as a guide to the customer support team. From June 2019 to August 2019 (3 months) Greater New York City AreaSoftware Engineer @ MemSQL - Core member of the Query Processing and Optimization team- Designed and implemented internal binary mode for more efficient communication among nodes in a distributed system.- Designed and implemented in-list filter optimizations for distributed systems with multi aggregators and leaves.- Project leader of the development of the collection and display of feature statistics of different queries shapes in a distributed cluster. From March 2018 to June 2019 (1 year 4 months) New YorkQuantitative Analyst @ Hywin Capital Management - Hands on experience in the Chinese futures market.- Developed, back-tested, and implemented intraday stat arb strategies with sharpe > 4 in Chinese futures.- Optimized strategies and portfolios based on trader behaviors/sentiment analysis.- Conducted extensive research on the specific rules and regulations in the Chinese futures market.- Trading data visualization for various OS and platforms in different languages including HTML, CSS, Javascript, C#/VS. From October 2017 to March 2018 (6 months) Greater New York City AreaQuantitative Analyst @ Tech Square Trading - Actively involved in portfolio construction; developed, maintained and optimized trading strategies across different markets and holding periods; monitored trading platform and investor relations.- Designed and implemented alpha signals including market regime detection and pattern recognition, from analyzing a variety of large data sets, using machine learning principals.- Investigated market micro structure, and significantly improved the performance of a mid-frequency market making strategy, deployed strategies to multiple exchanges and countries.- Innovative data retrieval and analysis from alternative data sources for alpha research using NLP techniques. From July 2016 to October 2017 (1 year 4 months) Cambridge, MassachusettsQuantitative Trading Intern @ Tower Research Capital - Developed a risk limit management system to prevent potential violation of risk limits on traded products.- Integrated the above system into the overall trading platform, so that the new system adds minimal latency to the overall platform.- Successfully detected and handled multiple forms of failure recovery, such as user server crash and restart.- Implemented a data structure that improved variable sampling efficiency, by designing and implementing essential operations such as iterators. From May 2015 to August 2015 (4 months) Greater New York City AreaDeveloper @ MongoDB - Worked on the backend of a new Mongo-HHVM driver- Create encoding and decoding functions between PHP and BSON for all mongo-specific types, such as mongoID, mongoDate, mongoTimestamp, etc- Support other C++ implementations with existing C functions From February 2014 to May 2014 (4 months) Gmail SRE Intern @ Google Site Reliability Engineer intern• Designed and integrated a monitoring dashboard into the existing platform, to automate the process to monitor Gmail reliability. • Backend work: queried desired data from a query machine with proper filters. • Frontend work: passed and processed data between web servers and clients. Visualized raw data and displayed it. From June 2013 to August 2013 (3 months) Mountain View, CAResearch Apprentice @ Trinity College Computer Science Department • Composed a paper, An Efficient Out-of-Core Implementation of Block Cholesky on a Multi-GPU System, and won the best paper award on IASTED 2012 (Nov 2012). • Developed an efficient parallel implementation of Cholesky decomposition using General-Purpose Graphics Processing Units (GPGPU) and successfully applied it to image processing. From January 2012 to May 2013 (1 year 5 months) Research Assistant @ MIT Brain and Cognitive Sciences Cambridge, Massachusetts, United StatesResearch Assistant @ MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) Cambridge, Massachusetts, United StatesResearch Assistant @ Harvard University Graduate School of Arts and Sciences From June 2020 to September 2020 (4 months) Cambridge, Massachusetts, United States