Qi Chen work email
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Qi Chen personal email
I focused on building large-scale distributed systems and data-driven applications using modern tech stacks and tools. I believes in technologies and cross-functional collaboration, to continuously improving human consciousness. Skills: Distributed Systems, Backend Services, Machine Learning, Generative Adversarial Nets, Simulation, Optimization
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Software EngineerUber May 2021 - PresentSan Francisco, California, UsMy Team: Build high availability, high efficiency, and fault-tolerant machine learning platforms to power distributed E2E ML pipeline. My focus: model tuning service; distributed trainingTools & Frameworks: Ray, Spark, XGBoost, Horovod, Torch, Keras -
Software EngineerA9.Com Jan 2020 - May 2021Seattle, Wa, UsContribute to the Amazon Advertising Exchange platform. Develop customer features following object-oriented design principles and improve core infrastructure on a large scale system (>3M QPS)- Built server-less data pipelines to serve Ad inventory and provided access in real time using AWS - Powered near real-time Ads analysis such as cookie consent adoption, using Hive and ETL design- Delivered services across advertising workflow, including targeting, user privacy, auction, and monitoring- Dived deep into long standing on-call issues to improve operational excellence and customer satisfaction -
Software Engineer - Machine LearningWework Jun 2019 - Jan 2020New York, Ny, UsAugmented Design - Accelerated design by launching a light-weight web application for floor-plan generation of WeWork offices (Full Stack) - Improved generated results by modularizing generation models and grouping multiple approaches including procedural optimization, computational geometry algorithms, and GAN-based modelsAlgorithmic Pricing - Developed a highly extensible agent-based Markov Chain model that evaluates pricing strategies by mimickingreal-world WeWork building portfolios - Leveraged parallel computing packages to accelerate large scale simulation for pricing strategy developing, including Ray and Multiprocessing - Improved rental revenues with annual $50M+ potential value (Featured by We Company Press) -
Data ScientistState Street Sep 2017 - Aug 2018Boston, Massachusetts, Us• Researched, developed, and deployed state-of-art credit risk modeling methods to achieve better performance on Basel Probability of Default (PD) Model• Conducted extensive experiments on large dataset (>2GB) to compare performance between Lasso, Ridge, and Elastic Net• Designed and implemented a ranking system to validate the integrity and correctness of processed data• Built R packages to standardize input data processing of PD Model• Achieved document automation of more than 10 Basel PD models by using R Markdown• Saved 15% working time and 60% computational time by optimizing financial model pipeline and code
Qi Chen Education Details
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University Of California, BerkeleyMaster Of Engineering - Meng -
Zhejiang UniversityIndustrial Engineering & Operations Research
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Singapore University Of Technology And Design (Sutd)Exchange Student
Frequently Asked Questions about Qi Chen
What company does Qi Chen work for?
Qi Chen works for Uber
What is Qi Chen's role at the current company?
Qi Chen's current role is Software Engineer at Uber.
What is Qi Chen's email address?
Qi Chen's email address is qc****@****ork.com
What schools did Qi Chen attend?
Qi Chen attended University Of California, Berkeley, Zhejiang University, Singapore University Of Technology And Design (Sutd).
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