# Shannon Largman > Software Engineer at Retool Location: San Francisco Bay Area, United States Profile: https://flows.cv/shannonlargman Hello, I'm a full stack software engineer with a background in mathematics. https://github.com/slargman Technical Skills: • Frontend | JavaScript (ES5 and ES6), TypeScript, React/Redux, Next.js, HTML5, CSS3, jQuery • Backend | Node.js, Express, PostgreSQL, MySQL, MongoDB/MongoDB ORM, RESTful API • Testing/Deployment | Jest, Mocha, Chai, Docker, Heroku, AWS: EC2, CI/CD, k6, Loader.io • Developer Tools | Vim, Git, npm, Webpack, Babel, Agile Methodology, Scrum, TDD ## Work Experience ### Software Engineer @ Retool Jan 2022 – Present ### Backend Software Engineer @ Personal Projects Jan 2022 – Jan 2022 Gold Engine | A scaled RESTful API to support an e-commerce retail portal • Developed and applied a benchmarking suite to identify performance bottlenecks and optimize database queries • Created a data access layer that executed complex queries in .3ms across all API endpoints, a reduction from a baseline of 1s • Deployed a PostgreSQL server to AWS and executed an ETL process on a dataset containing 15 million cumulative rows • Horizontally scaled a microservice architecture using an NGINX load balancer and Redis caching • Used profiling and stress-testing with k6 and Loader.io to guide performance optimizations, increasing throughput from 100 RPS to 10,000 RPS with +3ms latency increase over network latency and 0% error rate. ### Full Stack Software Engineer @ Personal Projects Jan 2022 – Jan 2022 Gopher | A web app where users create and manage shared grocery lists (Typescript, React, Next.js, Express, PostgreSQL) • Directed a team of 6 as systems architect, providing app wireframe and designating overall data flow and interactions between frontend components • Designed and built backend including PostgreSQL database schema and REST API, ensuring 3ms server processing times • Developed responsive React components and pages within a Next.js app ### Frontend Software Engineer @ Personal Projects Jan 2022 – Jan 2022 SERUM | A React app providing a modern storefront for a fashion retailer (React, Nginx, Redis, AWS, PostgreSQL) • Engineered a component library including carousel and image gallery viewer along with a design system to facilitate and streamline app development • Set up CI pipeline with GitHub Actions and wrote accompanying Jest testing suite • Designed and built product overview section with responsive image gallery zoom view that followed cursor movement ### Machine Learning Engineer @ Semel Institute for Neuroscience and Human Behavior Jan 2018 – Jan 2019 | Los Angeles, California, United States • Designed and implemented the data pipeline for analysis of high-throughput single cell RNA-seq experiments using machine learning algorithms • Developed systems for data QC, normalization, feature selection, and dimensionality reduction using PCA and UMAP/tSNE • Created a glioblastoma cancer stem cell classifier model through clustering analysis, providing statistical identification of differentially expressed biomarkers ## Education ### Bachelor's degree in Mathematics UCLA ### Hack Reactor ## Contact & Social - LinkedIn: https://linkedin.com/in/shannonlargman --- Source: https://flows.cv/shannonlargman JSON Resume: https://flows.cv/shannonlargman/resume.json Last updated: 2026-03-20