
Yasser E.
Full Stack SaaS Developer Nextjs Supabase Stripe Expert
Skills

Bekijk mijn diensten


Portfolio
Werkervaring
Founder & Full Stack Developer
Freelance Web Designer • ZZP
Jul 2025 - Present • 10 mos
Founder and lead developer of Markearn (markearn.com), a SaaS tool for print-on-demand sellers on Etsy, Redbubble, TeePublic, and Amazon Merch. I built the entire product from scratch: → Frontend: Next.js 14, React, TypeScript, Tailwind CSS, framer-motion → Backend: Supabase (PostgreSQL), API routes, server-side logic → Authentication: Clerk integration with social login → Payments: Lemon Squeezy subscription system with 7-day free trial → Data: DataForSEO API for real-time keyword volume, competition, and trends analysis → Deployment: Vercel with automatic CI/CD from GitHub Key features I designed and shipped: - Niche verdict system (GO / POSSIBLE / AVOID) with 10-second analysis - Smart Design Brief generator with Midjourney prompts - Trend analyzer with 12-month seasonal data - Competition analyzer with top sellers tracking - Tag generator optimized for Etsy SEO - Listing optimizer with auto-generated titles and descriptions Shipped from zero to production in 1 weeks as a solo founder. Currently maintaining and iterating based on user feedback.