# Patrick Shen > Software Engineer at Meta Location: San Francisco Bay Area, United States Profile: https://flows.cv/patrickshen ## Work Experience ### Software Engineer @ Meta Jan 2018 – Jan 2023 - Designed and implemented Real-Time insertions to Marketing Campaigns, affecting 2 Million+ daily users - Supported on-call tasks and provided solutions to various problems around the Marketing Home ecosystem - Interfaced with designers to provide better user experiences for marketers - Lead design and engineering implementation for various projects, delegated work to contractors to follow said guidelines - Developed Notifications and Reports portions of Facebook Marketing Partners for Agencies, launched globally for market expansion in NA, EMEA, and APAC regions - Designed Real-Time Screenings programs for the Boost Leaders Network, supporting over 9,000 SMB Advocates - Created full stack agency rewards internal tool for finance team by utilizing Presto queries and Hive tables, resulting in monthly ~$2.5M benefits approvals through Ent-based mutations - Built front-end of Pitch Wizard using React and Redux to streamline client interactions by surfacing the most relevant data for advertisers - Created self-serve diagnostic tool for Agency Administrators to proactively troubleshoot site-related bugs and questions by referencing known issues and solutions using PHP controllers - Developed Advertiser Workbench internal analytics tool allowing sales managers to build audiences of advertisers and customize metrics by using real-time filters ### Software Engineer @ Full Stack Javascript Applications Jan 2016 – Jan 2018 Designed and built various full stack applications: ● Front-end technologies used include React + Redux, Inferno, Angular, and Backbone ● Created service endpoints and designed corresponding raw SQL queries to search PostgreSQL database for relevant data ● Utilized Socket.io to enable live bidirectional interactions between presenter and audience views ● Integrated Mailgun RESTful API with Node.js + Express server for seamless two-way email messaging ● Automated testing, continuous integration, and deployment with CircleCI and Docker to Digital Ocean ### Test Engineer @ Lam Research Jan 2014 – Jan 2016 | Fremont, CA ● Developed comprehensive test plan and specifications for validation of seven product lines within Conductor Etch and Deposition tools for semiconductor production ● Designed automated tests cases for several systems as part of Pilot New Product Integration to streamline and reduce risk during final test, saving hundreds of labor hours ● Used ATAC programming language to interface with company UI software to design both effective and robust testing methods for technicians ● Quickly and successfully deployed validated tests for new technologies to full scale Volume Manufacturing floor supporting hundreds of builds ● Systematically troubleshot various issues dealing with assembly components such as software, RF generators, Node PCB boards, and actuators ● Queried SQL database to generate Statistical Process Control (SPC) reports and presented valuable data to cross-functional team ● Designed test fixtures and cables for custom applications ● Oversaw and provided guidance for technicians during Pilot Test ● Drafted and released official test procedures for Volume and Field Engineer reference ### Integration Engineer @ KLA-Tencor Jan 2013 – Jan 2014 | Milpitas ● Assured operational quality of third generation Reflective Electron Beam Lithography (REBL) system ● Maintained and operated high voltage (100kV) and high vacuum (10-8 torr) system by troubleshooting various issues related to electronic modules, optics and imaging, high voltage power supplies and cables, pneumatics, and vacuum systems ● Provided training and support in installation of inter-connect and electronic stack modules, as well as integrity testing of modules across all REBL platforms ● Managed high-volume flow of Dynamic Pattern Generator (DPG) chips, integrated circuits consisting of 4-million pixel mirror arrays, through contractor services including resist strip, atomic layer deposition, ion mill, wire bonding, XPS, and depth profiling ● Developed and streamlined DPG process from multi-person to individual endeavor while maintaining overall quality of process ● Oversaw quality control for dies by optical inspection and electronic testing of ALD Coating and chip functionality for use in lithography and efficiency experiments ● Participated in development and deployment of experiments for failure analysis on DPGs ● Modeled and created drawings of tooling for fabrication in ProE ● Experienced working in class 100 and 10,000 cleanrooms ### Mechanical Engineering Intern @ Arcus Technology Jan 2011 – Jan 2012 | Livermore, CA ● Designed new multi-axis controller top enclosure and integrated step motor-controller insert designated for commercial production ● Led quality assurance and functional testing on a series of servo motors including single and multi-axis motion controllers and stepper motors ● Designed and programmed demonstration displays of Arcus products for international distributors and trade show exhibits at Semicon West 2011 ● Interfaced with potential clients and performed torque calculations to determine feasibility of using company products ● Drafted CAD drawings and SolidWorks 3D models of stepper motion control products ### Undergraduate Researcher @ Department of Ocean Engineering Jan 2011 – Jan 2012 | UC Berkeley ● Assisted with graduate thesis project with the goal of fabricating a shape that would produce no resistance or drag force when towed through water ● Created 3D models of preliminary and subsequent designs in SolidWorks ● Fabricated custom-designed components for project shape and support structure utilizing machine shop mill and drill press ● Manually constructed and assembled shape and support structures using fabricated parts ● Operated wave tank and carriage in Richmond Field Station Wave/Towing Tank to run tests and experiments ● Acquired data using force blocks and wave probes to measure resulting wave resistance ## Education ### Hack Reactor ### University of California, Berkeley Jan 2008 – Jan 2012 ## Contact & Social - LinkedIn: https://linkedin.com/in/patricklcshen --- Source: https://flows.cv/patrickshen JSON Resume: https://flows.cv/patrickshen/resume.json Last updated: 2026-03-22