# Samuel Langenfeld

> Software Engineer

Location: New York City Metropolitan Area, United States
Profile: https://flows.cv/samuellangenfeld

I'm a full stack JavaScript developer with 5 years of experience, working in React and Next.JS.

Languages: JavaScript, TypeScript, Python, HTML, CSS, SASS, SCSS, SQL
Frameworks: React, Next.js, Node.js, Express.js, Vue.js, Django
Rendering: SSR, SPA, CSR
Databases: MySQL, PostgreSQL, MongoDB, Redis
JavaScript Libraries: Redux, JQuery, Styled Components
Build Tools: Webpack, Github Actions, CircleCI, Docker
Testing Tools: Lighthouse, Jest, Storybook, Chromatic, Puppeteer
APIs: GraphQL, RESTful APIs
Cloud Services: AWS, Vercel
Headless CMS: Contentful
Version Control: Git, GitHub, GitLab

## Work Experience
### Software Engineer @ Sourgum
Jan 2025 – Present | New York, NY

### Full Stack Web Development Mentor @ Thinkful
Jan 2022 – Present
Guided aspiring developers in mastering front-end and full-stack web development concepts, including
JavaScript, React, and modern web practices.

Assisted in debugging JavaScript problems, fostering confidence and capability in students.

### Software Engineer @ Remedy Health Media
Jan 2020 – Jan 2023 | Washington, District of Columbia, United States
Developed server-side rendered pages using Next.js, ensuring accessibility and dynamic content loading.
Designed and implemented a Webpack-based bundling solution, supporting 10 branded websites from a
unified platform.
Increased website performance by 35% through various improvements such as smaller bundle sizes, CSS
file splitting, and font optimizations.
Led team that integrated E2E testing pipelines to guarantee deployment integrity across branded
websites.

### Software Developer @ U.S. News & World Report
Jan 2018 – Jan 2020 | Washington D.C. Metro Area
Created React pages for Travel vertical, achieving 6 million monthly unique page views
Boosted lead generation revenue by 70% through SEO and accessibility enhancements.
Built scalable APIs and database queries using Django to handle complex data structures.
Led company-wide training sessions on React Hooks, promoting adoption of modern practices.


## Contact & Social
- LinkedIn: https://linkedin.com/in/samuel-langenfeld
- Website: http://www.samlangefeld.com
- GitHub: http://github.com/SamuelLangenfeld

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Source: https://flows.cv/samuellangenfeld
JSON Resume: https://flows.cv/samuellangenfeld/resume.json
Last updated: 2026-03-23