Sean Hasenstein
Senior Full-Stack Software Engineer
I have 11+ years of experience helping startups and businesses build scalable platforms using React, Next.js, and Node.js. I thrive on taking products from conception to production in fast-paced, collaborative environments.
Send me a messageExperience
NOV 2022 — AUG 2025
Senior Full-Stack Software Engineer · Everdays
Built and shipped features end-to-end from conception to production using React, Next.js, Node.js and Express, deploying almost daily. Collaborated cross-functionally with engineering, design, sales, and marketing teams to deliver business-critical features and integrations.
- JavaScript
- TypeScript
- HTML & SCSS
- React
- Next.js
- Node.js
- Express
- MongoDB
- Redis
- NGINX
- AWS
- Vercel
MAY 2014 — OCT 2022
Freelance Full-Stack Web Developer & Designer
Delivered complete web solutions for 10+ clients across diverse industries including apparel, education, sports organizations, and manufacturing. Managed entire project lifecycle from client consultation and requirements gathering to deployment and ongoing support.
- JavaScript
- TypeScript
- HTML & CSS
- React
- Next.js
- Gatsby
- Node.js
- MongoDB
- PostgreSQL
- AWS
- Vercel