Tonghong Chen Email & Phone Number

Mountain View, CA, US

Building a risk detection system using C++ and Python to monitor and suppress AI-generated content with politically sensitive information, mitigating ~2M instances per day to enhance user trust.Example Sensitive Queries/Questions:- "Who is likely to win 2024 US election?"- "Why is Israel bombing Gaza?"- "Dumbest congressman in US?"Clients:- Gemini.

Guangzhou, Guangdong, CN

Founded in 2000, Twothousand® Machinery is a leading commercial kitchen equipment manufacturer and distributor based in China. Its clients include, from Fortune 500 companies to small business owners, Burger King, Marriott, Emirates, and more. Website: https://www.twothousand.com

Menlo Park, CA, US

Co-led the development of a customer insight platform that helps decision-makers quickly understand product performance and identify expansion opportunities.Sample Projects:Product Analytics Hub - Created a self-served data analytics platform similar to Google Analytics, utilizing React, GraphQL, HighchartsJS, Python, SQL, and PHP technologies, to enable.

Menlo Park, CA, US

Developed and managed analytics system and service (logging, pipelines, datasets, dashboards, API) for Messaging Ads to supervise key metric movement, reveal growth opportunities, enrich machine learning feature store, and facilitate business reportingSample Daily Jobs:- Led the team’s data strategy and build data warehouse & ETL solution- Logged user.

• Summer Project: Messenger Core User-Profile Table
• Delivered a large-scale ETL system with MVC design to extract, transform and load 300+TB data per day
• Redesigned Messenger’s largest user-level data pipeline with optimized queries and fewer aggregation levels to reduce 30%+ CPU time
• Extended Messenger’s core user-profile table with 24 user engagement features by using Presto, Hive, Spark, and internal pipeline scheduler to feed downstream user analysis
• Developed an attribute configurator to automate the process of adding new user engagement features into the core table
• Built 3 dashboards on internal visualization tool to summarize demographics, geographical distribution, app usage, and primary interfaces of a target user group

New York, US

• Project 1: Top-Startup Deal Sourcing Engine
• Developed a deal-sourcing application with Python and AWS to recommend 20 new startups on a daily basis* Created a data fetching service on EC2 to extract and clean new startup data from Crunchbase* Scheduled the.
• Built and deployed a Slack notes consolidation tool on AWS EC2 to automatically save and structure conversations on Google SheetsProject 2: Portfolio-Company Job Board Crawler
• Developed a portfolio-company job board crawler to scrape and export jobs to Google Sheets automatically

Shenzhen, Guangdong, CN

• Project1: Short-Title HotNews Pipeline
• Designed and maintained web crawlers to scrape daily buzzwords from 3 Chinese search engines (Baidu/Sougou/360)
• Queried the recent news from Inveno’s MySQL database, calculated the LCS relevancy between news' titles and scrapped buzzwords to identify hot news
• Extracted main ideas of long news titles with TextRank algorithm
• Verified the extracted short title to be valid by google search to achieve 90%+ accuracy on the test datasetProject2: Daily News Web Crawler
• Designed and maintained web crawlers to scrape 23 news and media websites (e.g. Instagram/Facebook/9Gag)

Piscataway, NJ, US

• Project: Customer-Acquisition Intelligence
• Developed a keyword-based web crawling system to identify potential customers via Google Scholar and LinkedIn. Scraped potential customers’ data, and generated email addresses from the scraping data with 86% accuracy
• Built Excel VBA programs to automate several administrative tasks (e.g. filtering business email addresses from big email table), increasing operations efficiency by 25%

Guangzhou, Guangdong, CN

• Applied SEO rules to raise the company's search ranking to #3 on Google's first page under the keyword “Chinese Commercial Kitchen Equipment”.
• Built 30+ product catalogs on company’s new WordPress website to attract customers
• Designed 3 posters of new planetary mixers and used them in promotional emails to receive over 50 queries.

Central, Hong Kong, HK

• Evaluated the commission system and conceptualized a new idea of salary incentives by applying Jeffrey Sonnenfeld's Career Theory.
• Led a 6-people team to design and present a life insurance marketing campaign in format of drama.

Master Of Arts, Statistics

Bachelor'S Degree (2+2 Program), Management & Business Analytics

Bachelor'S Degree (2+2 Program), Business Administration And Management, General