Minchen Wang's Page

Minchen Wang

Software Engineer at Meta
Amazon Alumni
New York University & Tsinghua University Alumni

💬 About

I'm a Software Engineer working at Meta (formerly Facebook). Currently I'm working in Ads & Business Products (Monetization) pillar, supporting internal governance tools and infrastructure platforms supporting Ads org and Meta Ads Manager, mainly use React, JavaScript, GraphQL & Hack (Meta's company standard programming language, object-oriented styled PHP).

Previously I worked as an SDE intern at Amazon Devices (Lab126) SCM group at Beijing, mainly worked on developing internal tools and web applications, using Python, flask & MySQL.

Make an impact to help people and make the world better and different!

💻 Experience

• 

  Meta, formerly Facebook - Software Engineer

  July 2020 - , Menlo Park CA

  Working at Ads & Business Products (Monetization) pillar, working on supporting internal tools and governance processes. This covers quite a few areas, including: the internal web application for project review and management of Meta Ads Manager, governance enforcement over the internal A/B Test tools, supporting the infrastructure tools and platforms on collecting metrics from code, engineering support on annual Ads Code Freeze, etc.

  Mainly code with company standard technology: Hack (Meta's object-oriented styled PHP), modern JavaScript, React, flow, GraphQL, Python, and SQL.

  Guided and supported Software Engineer Intern in summer 2022.

• 

  New York University - Graduate Teaching Assistant

  February 2019 - May 2020, Brooklyn NY

  Worked as the Teaching Assistant/Course Assistant of Prof. Torsten Suel's course CS6083 Principles of Database Systems for 3 semesters - Spring 2019, Fall 2019 & Spring 2020

• 

  Amazon (China) - Software Dev Engineer Intern

  June 2019 - August 2019, Chaoyang Beijing

  Worked at Amazon Devices (Lab126) SCM group at Beijing as an SDE Intern, mainly worked on developing internal tools and web applications, using Python, flask & MySQL.

🎓 Education

• 

  New York University

  Tandon School of Engineering

  August 2018 - May 2020, Brooklyn NY

  Master of Science, Computer Science - GPA 4.0/4.0

  Design and Analysis of Algorithms Principles of Database Systems Interactive Computer Graphics Game Design Artificial Intelligence Machine Learning Human Computer Interaction Web Search Engines Cloud Computing Information Visualization

• 

  Tsinghua University

  School of Software

  August 2013 - July 2017, Haidian Beijing

  Bachelor of Engineering, Software Engineering

  Software Engineering Data Structure and Algorithms Web Front-End Technology Architecture of Computer and Network Computer System Software Functional Programming Java and Object-Oriented Programming Modeling and Verification of Software Systems

⚔️ Skills

PHP/Hack GraphQL JavaScript React flow Python SQL Django flask jQuery Java C/C++ HTML CSS Web Development Relational Database Management System (RDBMS) Web Search Engines Software Engineering

📚 Projects

📗 Professional Projects

Meta, Software Engineer

Coded mainly with Hack (Meta's object-oriented styled PHP), modern JavaScript, React, flow, GraphQL, Python, and SQL. Worked on supporting the infrastructure of Meta Ads Manager, knowledge domain across web development and infrastructure.

• Development of Internal Ads Project Management and Review System

  • Developed and improved the internal web application for project review and management supporting Meta Ads Manager and other Ads products (kind of similar to Jira)
  • Worked with PM & designer, collaborated with other engineers on implementing a fully-redesigned front-end UI of the web application
  • Worked on adding new functionalities, like a few new review steps, and SLA of reviewing steps

• Development of Governance Enforcement on A/B Test Tools

  • Developed a new framework on adding roll out validation steps to internal A/B test tool and escalation tool integration
  • Worked with Designer, Data Scientist, other engineers, and multiple cross-functional teams to get alignment on engineering details (e.g. roll out process, governance rules, metrics to be collected, etc.)
  • Worked on the engineering work of building the whole back-end infrastructure and front-end functionalities, worked on and integrated the functionalities with the A/B test tool, escalation tool, Ads project review system, and adding thorough logging and testing. Implemented the whole functionality dependently

• Supporting and Maintaining Infrastructure Tools

  • Worked on the internal tool of a suggesting system of best code reviewers. Developed on adding new attribution features; Worked on improving the efficiency and fault tolerance on heavy queries on the SCM; Worked on refactoring the code structure design, and implementing a better designed UI and improving the command line function.
  • Worked on the internal infrastructure platform, which constantly schedules daily jobs to collect metrics from the code repositories. Keep maintaining the platform to run in a healthy state, and worked on investigating and fixing job failures.
  • Built great domain of knowledge, and constantly keep working on improving the codebase and maintain the systems running sliently. Keep providing engineering support for integration requests, and answering questions in the support and feedback groups.

• Supporting Ads Code Freeze

  • Provided engineering support to the Ads Code Freeze program, which happens annually in November & December.
  • Worked with Product Manager, added integration of code freeze to the Ads project review system and the code review tool, and supported other teams on knowledge of engineering
  • Worked on analyzing and determine the boundary of Ads code, built pipelines and scripts using the information of database of oncall and code file information to determine the boundary of Ads code.

• Others

  • Guided and supported Software Engineer Intern in summer 2022.

Amazon (China), Software Dev Engineer Intern

Coded mainly with Python, flask, JavaScript/CSS/HTML & MySQL. Worked on developing internal tools and web applications.

• Jira Helper Python package

  a Python package to use Jira in command line or python code
  • Developed a Python package to help engineers use Jira in code and command, which could process the input arguments and the responses of Jira server's REST API; Added document auto-generation with Doxygen.

• Learning Management System

  a Flask web application for engineers and vendors to learn internal tools
  • Analyzed the requirements and designed web application system structure. Developed the web application with jQuery & Bootstrap in front-end, and constructed the back-end with Python, Flask & MySQL in MVC pattern, and integrated the user authentication with Crowd API.

📙 Course Projects

Web Search Engines - Course Projects

The course Web Search Engines (CS6913) at NYU Tandon is an advanced course designed for students with solid Computer Science background and excellent programming skills. The course has a few coding and research projects and assignments related to Web Search Engines.

• Build a Web Crawler in Python

  • Implemented multi-thread crawling, achieved strategies of crawling pages in BFS and Priority Queue by score
  • Achieved hyperlink processing & web page crawling using urllib, implemented web page hyperlink parsing, implemented checking of visit history and followed Robot Exclusion Protocol before crawling

• Build a Search Engine: Inverted Index Building & Query Execution in C++

  • Constructed program to read gzipped CommonCrawl data set and parse terms from data set documents, implemented building of inverted index using parsed terms from documents, achieved Variable Byte encoding & decoding to compress the inverted index files on hard disk
  • Developed command line interface for conjunctive & disjunctive of query execution from inverted index in Document-at-a-Time method, using BM25 score to rank and return top 10 results, and provided web search interface using Python & Flask
  • Haved been tested using CommonCrawl data set of 7.39 GB
  • Some screenshots could be found here.

• Research Project: Search Engine Query Suggestion System based on Lexicon & Corpus in C++

  • Researched, proposed and constructed program achieved term auto-correction and similar term suggestion method based on 3-gram index and edit distance (a dynamic programming method), auto-completion of last unfinished term with Trie, auto-suggestion of possible next term using previous term based on bigram language model
  • Proposed and implemented the ranking function of suggestion results based on model of conditional probability and bigram language model, integrated the system with web interface
  • Haved been tested using lexicon with 23 million terms
  • Some screenshots could be found here.

📘 Student Entrepreneur Project

Visual Dynamics - Albedo, Full-Stack Developer

Albedo is a SaaS product that our student team build to enforce the PV industry by providing smart design of solar panel layout schema and visualized future prediction reports. The founder team has registered a company in Beijing and I have exited from the team now.

• Data Visualization Prediction Report Dashboard

  • Designed and developed front-end application based on yarn, TypeScript, React, React Router & Ant Design. Implemented i18n with React-Intl, and implemented asynchronous data request and rendering through AJAX Promise, used React Redux to manage system global data loading state, and used ECharts to render visualized graphs and charts.

• User Center System

  • Built a user account platform integrated with Stripe, developed back-end based on Python 3, Django & MySQL, and front-end based on TypeScript, React & Ant Design.

🏆 Awards

• NYU Tandon School of Engineering Academic Achievement Award

  November 2019, by NYU Tandon School of Engineering Computer Science & Engineering Department

😻 More about Me

I'm a big fan of games. I have been playing Minecraft, Factorio, Cities: Skylines, the Sims, Age of Empires IV, etc. for a really long time in the past few years and now. I'm also a big fan of trying new hardwares devices. I now own a few really cool devices like Xbox One S, Xbox One Kinect Sensor, Oculus Quest 2, Meta Quest Pro, Steam Deck, etc.

👋 Contact

https://www.linkedin.com/in/wmc54321/
me [AT] minchen.wang