# Bobby Li > Engineering at Gusto | Scaling Agentic AI solutions for CX Location: New York, New York, United States Profile: https://flows.cv/bobbyli Looking for a full stack engineer with an open mind on new technologies? Well if you've got coffee, let's connect! ## Work Experience ### Senior Staff Software Engineer @ Gusto Jan 2024 – Present | New York, NY • Architected and launched Otto, a React-powered AI assistant embedded in Salesforce to tackle core workflow failures that account for over 75% of all user feedback complaints. The launch of Otto has immediately lowered Average Handle Time (AHT) by 6% the first month. ### Senior Tech Lead Manager @ AppLovin Jan 2024 – Jan 2024 | New York, New York, United States • Led an agile team of full-stack engineers to pioneer innovative UI solutions focused on enhancing both internal cross-team processes and external workflows. • Spearheaded an optimization initiative for our ads delivery team, addressing propagation delays in scheduled queries exceeding 10 minutes. Collaborated with the platform team to achieve a comprehensive database cleanup resulting in a 55% median reduction in propagation delays. This lift was realized by significantly reducing the size of critical legacy database tables, downsizing them from over 70 million rows to 17 million rows. • Oversaw the integration of Sentry for frontend error tracking, incorporating session-replays to enhance troubleshooting capabilities. Requests belonging to the same replay are uniquely tagged and searchable within our server logs, effectively bridging frontend error reporting with backend error logs for comprehensive error monitoring and analysis. ### Principal Software Engineer @ AppLovin Jan 2023 – Jan 2024 | New York, New York, United States • Designed and created a comprehensive UI framework to streamline the setup and validation processes for both dependent and orthogonal AB test experiments. This new experimentation framework has been integrated across our core engineering teams. • Engineered a UI dashboard centralizing the training, deployment and metrics of inference models for AXON 2.0, our cutting-edge AI recommendation engine. This new model management system streamlines our research science team’s workflow by significantly reducing the turn-around time of managing models. ### Staff Software Engineer @ AppLovin Jan 2022 – Jan 2023 | Palo Alto, California, United States • Prototyped a responsive website that communicates with an OEM-installed SDK to serve personalized app suggestions to users during new phone setup. • Expanded MAX targeting options to include age, gender, device type and custom keywords. • Added scope granularity for application access for AppLovin’s OAuth service. • Revamped our core legacy admin settings from server-side rendered PHP views based in MVC to client-side-rendered React views based in Service Oriented Architecture. ### Software Engineer @ AppLovin Jan 2018 – Jan 2021 | Palo Alto, California • Added new report and chart analytics for AppLovin’s dashboard with Redux and Highcharts. • Combined core standalone features into a shared onboarding wizard for our flagship product MAX. • Integrated several 3rd party services using OAuth for scheduled aggregated data collection. • Designed and contributed core components and hooks to our internal commons npm package. ### Software Engineer @ Zanbato, Inc. Jan 2017 – Jan 2017 | Mountain View, California, US • Developed a graphic analytics page with reusable React components for user research. • Reduced overlapping dependencies for legacy components by removing redundant API requests. • Worked with a variety of testing suites such as Selenium, Python Unit Tests, Enzyme and Jest. ### LAMP Developer @ Horizn Inc. Jan 2017 – Jan 2017 | Toronto, Ontario, Canada • Revamped a legacy JSON loading process to support complex content changes by adopting a CRUD-based approach via an endpoint. • Extended a tag-based data model convention to allow localized content to be better uniquely identified while still supporting aggregations based on the original content. ### ASP.NET Developer @ Edisoft Inc Jan 2016 – Jan 2016 | Toronto, Ontario, Canada • Developed a new EDI-ERP integration for WebAcumatica, (a cloud-based ERP system), based on their web API. • Added support for processing new EDI transaction set types by automating their corresponding changes to be reflected in the ERP system. ### Web Developer @ CanadaStays Jan 2015 – Jan 2015 | Toronto, Ontario, Canada • Implemented RESTful API endpoints for uploading and editing property listing photos. • Designed and refined core models using Eloquent ORM based on required business logic. • Optimized scheduled web-feed processing using regex matching and Linux Cron jobs. ### SQL Developer @ Ontario Ministry of Health and Long-Term Care Jan 2015 – Jan 2015 | Toronto, Ontario, Canada • Optimized and migrated existing stored procedures from PostgreSQL to SQL Server. • Created cross-reference automations to efficiently verify the integrity of post-migration scripts. ### Business Analyst @ CIBC Jan 2014 – Jan 2014 | Toronto, Canada • Developed VBA scripts to generate quarterly growth comparison reports over 60% faster than previously. • Created a multi-facet credit loan dataset and forecasted the expected performance for the upcoming 16 months. ## Education ### Bachelor of Applied Science - BASc in Computer Engineering University of Waterloo Jan 2013 – Jan 2018 ## Contact & Social - LinkedIn: https://linkedin.com/in/bobby-li --- Source: https://flows.cv/bobbyli JSON Resume: https://flows.cv/bobbyli/resume.json Last updated: 2026-04-01