Agus A.
Senior OpenCart Developer, Extension, Theme & Upgrade Expert
OpenCart Expert — 10 Years | 3,000+ Customers | Official OpenCart Partner 🚀 OpenCart Stores That Work — Not Just Stores That Look Good OpenCart stores can become difficult to maintain when extensions, customizations, themes, and integrations start working together. That’s where I come in. I’m Agus, an OpenCart specialist with 10 years of hands-on experience and 3,000+ customers worldwide. I help businesses build, fix, upgrade, optimize, and maintain OpenCart stores — from quick fixes to complex ecommerce systems. 🏆 Why Clients Choose Me 🔹 10+ years specializing in OpenCart 🔹 3,000+ customers worldwide 🔹 Official OpenCart Partner 🔹 OpenCart 1.5.x, 2.x, 3.x & 4.x expertise 🔹 Custom extension & integration development 🔹 Complex troubleshooting & optimization 🔹 Clean, maintainable development 🔹 Transparent communication 🔹 30 days free post-project support 📦 OpenCart Development 🔹 Custom store development & functionality 🔹 Theme customization & frontend development 🔹 Custom extensions & modules 🔹 Payment, shipping & third-party integrations 🔹 Custom checkout & ecommerce workflows 🔹 Structured data & SEO implementation I don’t just make features work. I build them to be stable, maintainable, and compatible with your existing OpenCart ecosystem. 📦 Extensions, OCMOD & Custom Development Need functionality that doesn’t exist out of the box? I develop and modify OpenCart extensions around your actual business requirements. 🔹 Custom extensions & modules 🔹 Existing extension modifications 🔹 OCMOD development & troubleshooting 🔹 Extension conflicts 🔹 Modification conflicts 🔹 Custom admin functionality 🔹 Multi-store functionality With years of experience working with heavily customized stores, I understand how multiple extensions and modifications can interact — and how to fix them without creating new problems. 📦 OpenCart Upgrade & Migration Running an outdated OpenCart version? I can help you upgrade while preserving your data and business functionality. 🔹 OpenCart 1.5.x → 3.x / 4.x 🔹 OpenCart 2.x → 3.x / 4.x 🔹 OpenCart 3.x → 4.x 🔹 Database migration 🔹 Extension compatibility 🔹 Custom code & theme migration 🔹 OCMOD/modification migration 🔹 Post-upgrade testing The goal isn’t simply to get the new version running — it’s to make sure your products, customers, orders, extensions, and workflows continue working correctly. ⚡ Performance, Troubleshooting & Optimization If your OpenCart store is slow, unstable, or behaving unexpectedly, I can help identify the actual cause. 🔹 Database & query optimization 🔹 PHP/code optimization 🔹 Extension & OCMOD optimization 🔹 Page speed & Core Web Vitals 🔹 Checkout optimization 🔹 Extension conflicts 🔹 PHP compatibility issues 🔹 Payment & integration problems 🔹 Frontend/UI issues I focus on solving the underlying problem — not adding temporary workarounds. 🤝 More Than Just a Developer For long-term clients, I work as a technical partner for their OpenCart store, not simply someone who fixes individual tickets. From: Analysis → Development → Testing → Deployment → Optimization → Ongoing Support Whether you’re running a heavily customized legacy store, planning an upgrade, dealing with complex extension conflicts, or building something new, my experience helps reduce the trial-and-error that often comes with OpenCart development. Clean code. Clear communication. Practical solutions. No unnecessary complexity. No quick hacks that create bigger problems later. 📩 Let’s Work Together Whether you need a quick OpenCart fix, custom development, an upgrade, performance optimization, or ongoing technical support, send me the details. Tell me what you’re trying to achieve or what problem you’re facing — I’ll help you find the right solution.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $8.7k
Billed in all: $28,499$28k
$1.1k in the last 6 months
Across 10 contracts
Across 65 contracts
Earnings, last 30 days
Skill rankings: Top 4% in OpenCart
Ranked by MRR among everyone on Upwork with the skill.
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