# Eric Hsu > Software Engineer at Retool Location: San Francisco, California, United States Profile: https://flows.cv/erichsu ## Work Experience ### Senior Software Engineer @ Retool Jan 2024 – Present | San Francisco, California, United States ### Software Engineer @ Reezy.ai Jan 2023 – Jan 2023 • Built core functionality for Reezy's AI-powered real estate marketing toolkit, including automated social media posts from residential images and listing data and user account management. • Consulted on additional feature designs regarding reliability enhancements for the initial product launch. ### Senior Software Engineer @ Blend Jan 2022 – Jan 2023 | San Francisco, California, United States ### Software Engineer @ Blend Jan 2019 – Jan 2022 | San Francisco Bay Area • Owned the codebase for the lender-side (i.e. enterprise) application serving hundreds of leading financial institutions and processing ~25% of all mortgage applications in the US per year. • Led a phased, multiyear, teamwide frontend code conversion from Angular to React, from research and planning through execution, testing, and release, resulting in a vastly improved user experience and developer ergonomics. • Built several backend-driven frontend applications featuring extensible design patterns that facilitated feature development from other teams within Blend. • Promoted code velocity and quality through improvements to shared packages, testing infrastructure, documentation, and best practices. • As a codeowner, responsibilities included on-call rotations, error monitoring, deployment, and code reviews. • Regularly collaborated with designers, product managers, and other engineering teams throughout the development cycle to give feedback and manage code complexities. • As our team grew from 2 to 11 engineers, created an onboarding process and its training materials and provided continued mentorship in recurring 1-on-1s. ### Senior Software Engineer @ HomeShare Jan 2018 – Jan 2019 | San Francisco Bay Area ### Software Engineer @ HomeShare Jan 2017 – Jan 2018 | San Francisco Bay Area • Architected and built new consumer-facing website as an isomorphic React and Redux single-page application. • Automated resident billing and payments, saving appx. 6 man-weeks per month for the operations team. • Provided leadership team with supply-side building data for business development. • Built internal tools for operations to manage lead and resident lifecycle. • Designed monthly resident rent and utility invoicing system. • Implemented core roommate matching algorithm to surface optimal combinations from user network. • Manage AWS services including EC2, ELB, S3, and Route 53. • Created reusable React components, JavaScript modules, and CSS styles to facilitate development process for the engineering team. • Defined patterns, best practices, and third-party packages to improve code organization, productivity, testability, and engineer quality of life. • Presented engineering team seminars about new technologies and concepts. ### Software Engineer @ Tawkify Jan 2015 – Jan 2017 | San Francisco Bay Area • Architected, designed, and developed internal productivity tools for matchmakers, including scouting, match administration, post-date feedback, and messaging apps. • Built customizable JavaScript modal plugin with event-based API. • Drafted HTML email templates for internal and external recipients and set up corresponding cron jobs and triggers. • Integrated with third-party services including AWS, Twilio, SendGrid, and Filestack. ### Plant Engineer @ Rehrig Pacific Company Jan 2013 – Jan 2014 | Vernon, CA • Designed, coordinated, and implemented process improvements in plastic injection molding plant to reduce operation expenses and improve product reliability. • Ensured consistent final product quality of food-grade pubkegs through production line controls, which effectively eliminated the cases of part failure. • Scheduled work orders and created new standards in the order fulfillment process that decreased monthly quality cases by 75% and increased the plant's customer satisfaction rating from 95% to 99% over the course of two months. • Supervised on-shift production, gaining first-hand knowledge of press operations and optimal personnel management. • Configured Sepro five-axis robot and robot arm tool to fully automate part production while minimizing reject rate and cycle time. • Fabricated and tested several trash and recycle cart modifications for sales team in bid for a 300,000 part roll out. ### Cost Estimating Analyst @ Tecolote Research, Inc. Jan 2011 – Jan 2013 | Manhattan Beach, CA • Examined historical aerospace cost data to further improve cost-estimating capabilities for US Air Force Space and Missile Systems Center. • Analyzed and identified appropriate inflation index for satellite projects to more accurately predict future programs, which required renormalizing entire historical dataset of 50+ satellite programs and regression of 40+ new cost-estimating relationships. • Compared budget and expenditure outlay profiles of several recently completed and ongoing space programs to develop comprehensive yearly phasing estimates. • Regularly interfaced with customer to explain research results and tailor future projects to their budgeting needs. • By normalizing NFL combine test results and deriving several advanced physical performance metrics, created multivariable models to predict future professional performance of college football players that were presented to multiple NFL teams. ### Undergraduate Laboratory Research Assistant @ USC Viterbi School of Engineering Jan 2010 – Jan 2010 | Los Angeles, CA • Explored surfactant self-assembly and manipulation of organic structures for gene delivery purposes. • Utilized atomic force microscopy to measure size and distribution of protein micelles and vesicles in a UV-treated mixture. • Gained experience in sensitive nanoscale lab setting and operating complex imaging devices. ## Education ### Bachelor of Science (B.S.) in Chemical Engineering University of Southern California Jan 2008 – Jan 2012 ### Web Development App Academy Jan 2014 – Jan 2015 ## Contact & Social - LinkedIn: https://linkedin.com/in/erichsu7 --- Source: https://flows.cv/erichsu JSON Resume: https://flows.cv/erichsu/resume.json Last updated: 2026-03-22