Samuel Langenfeld
Software Engineer at Thinkful
Falls Church, Virginia, United States
Summary
👤
SeniorSamuel Langenfeld is a full-stack JavaScript developer with nine years of software experience, currently mentoring aspiring engineers as a Thinkful Full Stack Web Development Mentor since 2022. He specializes in React and modern JS stacks, delivering production-grade apps across startups and media teams, including Remedy Health Media (Next.js/React with a Contentful headless CMS) and U.S. News & World Report (JavaScript/React and Python/Django). He has contributed to open-source and collaborative projects such as the DARIAEngineering/dcaf_case_management Rails app, focusing on front-end UI polish, accessible components, and purposeful back-end cleanups. His background spans AWS, Jenkins, GraphQL/REST APIs, and end-to-end CMS-driven workflows, enabling cohesive delivery from back-end services to polished user interfaces. Based in Washington, DC, he brings mentoring, hands-on delivery, and an emphasis on practical, maintainable code. Outside work, he enjoys time with puppies and lifting weights, a reflection of his disciplined, collaborative approach to engineering.
9 years of coding experience
5 years of employment as a software developer
Github Skills (12)
user-interface10
rails10
front-end-development10
ruby-on-rails10
erb10
model-view-controller9
html9
css9
javascript8
git-repository8
git8
github8
Programming languages (4)
Github contributions (5)
DARIAEngineering/dcaf_case_management
Apr 2017 - Sep 2017
Rails-based case management system for abortion funds
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:11 commits, 7 PRs, 13 comments in 5 months
Contributions summary:Samuel primarily focused on front-end and UI improvements, styling the clinics index page with accordion collapse functionality. They refactored and updated the pledge modal by separating cancel and submit functionalities, and styled the button components. Additionally, the user modified patient fulfillment forms by preventing form auto-completion. They also addressed back-end concerns by removing a duplicate line in the exportable.rb file and modifying the flash notice to give a timestamp.
ruby-on-railsmanagement-systemrailsrubyabortion
SamuelLangenfeld/Resume
Feb 2017 - Mar 2024
Contributions:86 pushes, 3 branches in 7 years 1 month
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