Jepriyanto S.
Senior Shopify & Maropost Developer | Pixel-Perfect Front-End Expert
Hi! I’m a front-end developer with 13+ years of proven experience turning UI/UX designs into high-performance, pixel-perfect websites. Over the last five years, I’ve specialized in eCommerce development, focusing on custom themes and complex integrations for Shopify and Maropost. I don’t just code — I build beautiful, responsive, and conversion-focused storefronts that perform great on all devices and deliver real business value. ⭐ Why Clients Love Working With Me 🔹 Expert in Converting Designs to Code - Pixel-perfect implementation from PSD / Figma / XD / Sketch → live site - Clean, semantic, and scalable HTML / CSS / JavaScript - Fully responsive, performance-optimized layouts - Attention to UI/UX details other developers miss 🔹 eCommerce Specialist — Shopify & Maropost - Custom theme development from scratch - Advanced theme customization & optimization - Section-based architecture & design system implementation - App integrations, scripts, and dynamic content - Proven ability to increase conversions & page speed 🔹 Reliable, Efficient, & Clear Communicator - Fast turnaround with high quality - Transparent workflows & consistent updates - Comfortable with collaborative tools (Slack, Trello, Notion, Git) - Easy to work with across time zones 💼 What I Do Best ✅ Convert UI designs into pixel-perfect, responsive websites ✅ Custom Shopify & Maropost theme builds ✅ Liquid template work and dynamic store features ✅ CSS animations & modern UI interactions ✅ Cross-browser & accessibility-ready front end ✅ Performance optimization (speed, mobile scores) ✅ Fixes, troubleshooting, and refactoring code 📈 What You Get When You Hire Me ✔ No guesswork — I implement exactly what your design demands ✔ Clean, maintainable code that’s easy to extend ✔ Fast delivery with top quality ✔ Support and communication you can count on
Earnings and projects
An estimate from an earlier read
Last 6 months: $150
Billed in all: $180,596$181k
$150 in the last 6 months
Across 2 contracts
Across 261 contracts
Earnings, last 30 days
No data since Nov 5, 2026.
Skill rankings: Top 22% in Twitter/X Bootstrap
Ranked by MRR among everyone on Upwork with the skill.
- #9Zurb Foundation41 freelancers · 🇮🇩 #1Top 22%🇮🇩#1 of 1
- #209Twitter/X Bootstrap962 freelancers · 🇮🇩 #5Top 22%🇮🇩#5 of 17
- #761PSD to HTML2,799 freelancers · 🇮🇩 #9Top 27%🇮🇩#9 of 33
- #2,334jQuery8,973 freelancers · 🇮🇩 #40Top 26%🇮🇩#40 of 129
- #3,195Front-End Development8,892 freelancers · 🇮🇩 #60Top 36%🇮🇩#60 of 148
- #6,400HTML18,716 freelancers · 🇮🇩 #79Top 34%🇮🇩#79 of 247
- #6,453CSS19,042 freelancers · 🇮🇩 #84Top 34%🇮🇩#84 of 262
- #11,075React33,075 freelancers · 🇮🇩 #163Top 33%🇮🇩#163 of 424