# Eric Lum > Senior Fullstack Engineer Location: New York, New York, United States Profile: https://flows.cv/ericlum Experienced Software Engineer ## Work Experience ### Senior Full Stack Engineer @ DoubleVerify Jan 2024 – Present | New York, NY Architected and implemented critical reporting and user access management features for platformization efforts. Led the design, development, and maintenance of the user experience for our critical Identity and Access Management and SSO platform as the lead frontend engineer, ensuring a seamless and secure user experience. Drove adoption of industry best practices, including using OpenAPI for API documentation and testing, resulting in improved developer experience and efficiency. ### Senior Full Stack Engineer @ LeagueApps Jan 2024 – Jan 2024 | New York, New York, United States Developed complex frontend features for both legacy and next-generation tournament and club schedule products utilizing Typescript and React. Authored frontend best practices documentation and significantly increased test coverage by 80% using React Testing Library and Jest, ensuring robust, bug-free user experiences. ### Software Engineer ll @ Wayfair Jan 2018 – Jan 2024 | New York, New York, United States Led a 5-person team in a complete re-platforming of the onboarding experience from an internal framework to React and PHP, reducing onboarding time by an average of 17%. Engineered an event-driven tracking microservice in Java & Kafka to provide business intelligence teams with real-time supplier onboarding progression metrics. Released high-visibility "Comfort Scale" features on the Product Display Page for mattresses and sectionals, directly impacting user purchasing decisions. Launched "Hot Deals Mattress" features, contributing over $1M in additional revenue. Contributed architectural documentation and conducted product research for a replatformed Category Navigation component, subsequently leading its implementation. Migrated a browse experience, serving millions of daily users, to Next.js and Typescript, enhancing performance and scalability. Implemented comprehensive alerting and monitoring procedures using Datadog Monitors and Dashboards for critical systems. ### Software Engineer @ CapStack Analytics Jan 2018 – Jan 2018 | Greater New York City Area Developed frontend applications in React and Ruby on Rails for prospective product launch Designed initial backend data model for users, and user onboarding flow. ### Full Stack Web Developer @ Flatiron School Jan 2017 – Jan 2018 An intensive training program designed to equip New Yorkers with the skills necessary to launch careers in web development. This program includes three months of intensive, full-time on-campus training, including classes/lectures, individual, pair and group programming projects, code challenges, presentations and more. • Studied a variety of web development languages, frameworks, and libraries in-depth, including Ruby, Rails, Sinatra, Javascript, jQuery, SQL, ActiveRecord, Git, HTML, CSS and Bootstrap • Collaborated on project teams to develop and present a variety of web-based applications and build web development skills and efficiency, including: Menagerie • Ensemble web application for storing item info, images, and more • Allows users to manage items and item locations relative to a discrete container. • Uses Ruby on Rails as a backend API and React.js/Redux front-end • Features JSON Web Token (JWT) authentication. Dish Lister • Location based restaurant recommendation web application based on user generated entrees. • Written in React/Ruby on Rails (RoR) utilizing the Google Places and Google Maps API • Utilizes the Google Maps API to perform an address search • Allows users to share dish recommendations by restaurant in a searched location. Calibre Media Player • Web based media player for playing audio and media in a playlist. • Plays selected audio and video files through HTML5 elements • Manages playlists and allows sharing of playlists through front-end Javascript actions • Features a back-end Ruby on Rails 5 API for persistence ### Implementation Consultant @ Fast Enterprises, LLC Jan 2014 – Jan 2016 Implemented over 30 major financial reports in VB.net and SQL for New Mexico Motor Vehicle Division for reconciliation and revenue accounting in a system of over two million drivers accounts Collaborated with a small team of client and company developers to develop key financial processes, including refund rejection, third-party security, and payment redirection Maintained Tapestry system via performance optimization, code refactoring, and process redesign Overhauled both in office and online driver registration processes to comply with state licensing requirement changes Revamped in-system document scanning, photo capturing, and image indexing services to reduce user error rates by 80% Mentored less experienced developers in version control, best practices, and key elements of the Gentax System ### Undergraduate Researcher in the Farber Lab for Systems Genetics @ University of Virginia School of Medicine Jan 2012 – Jan 2013 | University of Virginia School of Medicine Worked closely with Dr. Farber and lab staff to conduct efficient differential genetics studies on bone density Increased lab CT scanner efficiency by 12 times by designing novel device using CAD Optimized contouring protocol to improve lab efficiency for microCT 40 scanner Dissected hundreds of mice in small lab teams to improve research process Revamped two dimensional X-ray contouring profile for assessment of bone density to reduce analysis time by 20 percent Published in “Bicc1 is a Genetic Determinant of Osteoblastogenesis and Bone Mineral Density,” Journal of Clinical Investigation, September 2013 ### Laboratory Technician @ University of Virginia Biology Department Jan 2012 – Jan 2012 Performed lab maintenance, autoclaving, dish cleaning Conducted Long Term Research in Evolutionary Biology study on Silene vulgaris plants Maintained greenhouse in replanting Silene vulgaris plants ## Education ### Full-Stack Web Development Immersive Flatiron School ### Bachelor of Science (BS) in Biomedical/Medical Engineering University of Virginia ## Contact & Social - LinkedIn: https://linkedin.com/in/eric-lum - Website: https://github.com/ErlcLum - Website: https://medium.com/@eric_lum --- Source: https://flows.cv/ericlum JSON Resume: https://flows.cv/ericlum/resume.json Last updated: 2026-04-05