# Shean L. > Senior Software Engineer Location: United States, United States Profile: https://flows.cv/shean Developer with web experience in React, Python-Flask/Django, SQL, and Golang, ## Work Experience ### Senior Software Engineer II @ hims & hers Jan 2022 – Present Team lead building telemedicine software in a fast paced environment using Python, React, Redux, XState, PSQL, and MongoDB. Observability and monitoring through Datadog. Led high-impact patient experiences, including cancellation, intake, and medication adjustment flows. Launched Self-Cancel Alternatives for weight loss, reducing churn with 200+ daily snoozes, 22% CVR, and a 6.8% drop in D7 cancels. Delivered Weight Loss Medication Adjustment feature enabling 425+ monthly self-serve changes; reduced manual provider load and cleared $1M in excess inventory. Architected frontend logic with XState, GraphQL, and custom intake rendering systems. Built an internal “Intake Speedrunner” Tool, reducing QA time and human error in 20+ question medical flows. Shipped Hims’ first cross-category ED + Hair promo, integrating conditional flows and interstitials; increased AOV by 18% and boosted retention by 2%. ### Sr. Software Engineer @ Granular Jan 2020 – Jan 2022 | Remote Planned and shipped React features while coordinating with designers, product managers, and QA. ### Sabattical @ Recurse Center Jan 2020 – Jan 2020 Studied distributed systems, Golang, and concurrency at self-directed programming sabbatical. Implemented a distributed file system, consensus module, and membership system, while also blogging about their mechanics and the process of implementing them. Created blog and self-updating web gallery (chronicpizza.net, knoppers.icu) to host writing and photography. Presented project progress and interesting findings to peers at weekly talks. ### Software Engineer @ Granular Jan 2018 – Jan 2019 | Urbana-Champaign, Illinois Area Building and optimizing RESTful Python-flask API endpoints with a focus on unit testing and query efficiency, with Postgres as a persistence layer Simultaneous development of frontend Typescript-React features and backend Python microservices Migration of existing features from legacy codebase into new microservice environment ### Software Engineer Intern @ US Army Corps of Engineers Jan 2017 – Jan 2018 | Urbana-Champaign, Illinois Area Converted EPA developed stormwater modeling decision tool from Excel VBA to C#, decreasing run time by over 93%. Documented and implemented this newly revised model into C# Silverlight application. Implemented web caching for C#-Silverlight application Created highly configurable and flexible Python scripts for trend analysis of arbitrarily large time-series datasets. ### Software Engineer Intern @ University of Illinois at Urbana-Champaign Jan 2016 – Jan 2017 | Urbana, Illinois Cooperated with other developers to create Python-Django based database site with AJAX powered live-updating inventory tables and search tools. Database held information for lab inventory as well as genetic, phenotypic, and true locations of experimental crops in the field. Modularized design allowed for easy implementation of Python based web-apps for tasks such as data visualization and bulk uploads. Developed automation environment for TASSEL 5.0 bioinformatics software. Environment was controlled by chained Python-BASH scripts to manipulate files and analyze output data for meaningful trends. Planted, pollinated, and harvested large corn and sorghum fields in addition to assembling irrigation systems for fungal research. ## Education ### Bachelor's degree in Computer Science University of Illinois Urbana-Champaign Jan 2014 – Jan 2018 ## Contact & Social - LinkedIn: https://linkedin.com/in/sheanlin-fsd --- Source: https://flows.cv/shean JSON Resume: https://flows.cv/shean/resume.json Last updated: 2026-03-22