Hassan W.
Senior Full Stack Developer | React, Node.js, Shopify, WordPress & AI
I build scalable web applications, SaaS platforms, eCommerce systems, mobile apps and AI-powered products from initial architecture to production deployment. With 9+ years of hands-on development experience, I help businesses build new products, improve existing platforms, integrate complex systems, and solve technical problems without unnecessary rewrites. My core stack includes: • React.js, Next.js, TypeScript • Node.js, Express.js, REST & GraphQL APIs • PostgreSQL, MySQL, MongoDB & Supabase • AWS, Azure, Firebase & Vercel • OpenAI, Claude, Gemini, RAG & AI integrations • Shopify, Liquid & Shopify APIs • WordPress, WooCommerce & custom PHP • React Native & cross-platform mobile development • Stripe, PayPal & third-party integrations • Git, CI/CD, Docker & production deployments I can help with: → Full Stack Web & SaaS Development → AI-Powered Applications & Automation → API Development & Complex Integrations → Shopify & WooCommerce Development → Mobile Application Development → Existing Codebase Audits & Improvements → Performance, Security & Scalability → MVP Development through Production Launch I am comfortable stepping into existing products as well as building from scratch. My approach is straightforward: understand the business requirement, choose the simplest reliable architecture, build cleanly, test thoroughly, and communicate clearly throughout delivery. If you have an existing platform that needs an experienced technical hand or a new product that needs to be built properly from day one, I am ready to discuss the architecture, challenges, and best path forward.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $32k
Billed in all: $47,564$48k
$1.2k in the last 6 months
Across 27 contracts
Across 40 contracts
Earnings, last 30 days
Skill rankings: Top 1% in PHP
Ranked by MRR among everyone on Upwork with the skill.
- #29Database Architecture864 freelancers · 🇺🇸 #10Top 3%🇺🇸#10 of 113
- #49Payment Gateway Integration2,302 freelancers · 🇺🇸 #12Top 2%🇺🇸#12 of 83
- #56Web Application Development2,030 freelancers · 🇺🇸 #12Top 3%🇺🇸#12 of 187
- #59CRM Development2,819 freelancers · 🇺🇸 #22Top 2%🇺🇸#22 of 355
- #83AI Implementation2,382 freelancers · 🇺🇸 #25Top 3%🇺🇸#25 of 421
- #133Supabase4,116 freelancers · 🇺🇸 #31Top 3%🇺🇸#31 of 289
- #172SaaS Development5,201 freelancers · 🇺🇸 #26Top 3%🇺🇸#26 of 290
- #199Laravel12,549 freelancers · 🇺🇸 #37Top 2%🇺🇸#37 of 523