Zahid H.

🌍 Served Clients Across 30+ Countries 🏆 100% Upwork Job Success Score ⏱️ 475+ Hours Worked on Upwork Is your PHP app slow, stuck on an old version, or running on a badly configured server? I fix exactly that, and build new systems that don't break down the road. I'm Zahid, a Laravel & Symfony specialist with 5+ years of experience delivering backend systems for SaaS platforms, government organizations, and international businesses. I don't just write code, I solve the real problems behind your technical requirements. 🚀 𝗪𝗵𝗮𝘁 𝗜 𝗦𝗼𝗹𝘃𝗲 𝗙𝗼𝗿 𝗬𝗼𝘂 🔹 Fix slow applications I identify real bottlenecks, inefficient queries, N+1 issues, missing indexes, poor caching, and improve performance with measurable results. 🔹 Optimize & migrate databases I restructure poorly designed databases, tune slow queries, add proper indexing, and handle full data migrations, across MySQL, PostgreSQL, and Oracle, with zero data loss and full integrity checks. 🔹 Upgrade legacy systems Safe upgrades from PHP 5.x / 7.x → 8.x, Laravel and Symfony upgrades with full compatibility and minimal downtime. 🔹 Build scalable backend systems SaaS platforms, REST APIs, real-time features (WebSockets), and complex business logic designed to scale. 🔹 Integrate payment gateways I implement secure, reliable payment flows using Stripe, PayPal, Mope payments, and other regional or custom gateways — subscription billing, one-time payments, marketplace payouts, and refund handling all covered. 🔹 Solve server & deployment issues Proper VPS setup, Nginx/Apache configuration, SSL, security hardening, and production stability. 🔹 Clean up messy codebases Refactoring legacy systems into maintainable, structured, and developer-friendly code. 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀 🔹 Laravel & Symfony Development — SaaS, multi-tenant apps, REST APIs, WebSockets, queues, admin panels. 🔹 PHP & Framework Upgrades — PHP 5/7 → 8.x, Laravel 5–12, Symfony version upgrade. 🔹 Wordpress — Wordpress development, Wordpress bugs fix, Wordpress upgrade. 🔹 Legacy PHP Modernization — refactoring, security patching, technical debt reduction. 🔹 API & Third-Party Integration — REST APIs, webhooks, Twilio, and custom service connections. 🔹 Performance Optimization — query tuning, Redis/Memcached caching, N+1 fixes, code refactoring. 🔹 Database Optimization & Migration — schema redesign, indexing, query optimization, cross-platform data migration (MySQL, PostgreSQL, Oracle) 🔹 Payment Gateway Integration — Stripe, PayPal, Mope payment, subscription billing, marketplace payouts, webhook handling. 🔹 VPS & Server Setup — cPanel, WHM, Nginx, Apache, SSL, DNS, mail server, firewall configuration. 🔹 Server & Hosting Migration — zero-downtime transfers, database migration, DNS cutover. 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗖𝗵𝗼𝗼𝘀𝗲 𝗠𝗲 🔹 Code + Server — One Person I own both the application and the infrastructure it runs on. No gaps between your developer and your sysadmin. 🔹 Government & Enterprise Delivered I've built production systems for government organizations and national enterprises, where reliability, security, and accountability are non-negotiable. 🔹 Performance You Can Measure I don't just say "it's faster." I give you real numbers, query times, page load speeds, server response metrics, before and after. 🔹 Long-Term Code Quality Clean architecture, SOLID principles, and full documentation so any developer can maintain what I build. 🔹 Global Availability Flexible hours covering US, European, and Middle Eastern time zones. 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 🔹 Backend: PHP, Laravel, Symfony, CodeIgniter, REST APIs, WebSockets, Cron Jobs, Queue Workers, Eloquent ORM, Doctrine ORM, JWT Authentication, Mail Integration 🔹 Database: MySQL, PostgreSQL, Oracle DB, SQL, Database Optimization, Database Migration 🔹 Server: VPS, Dedicated Server, Shared Hosting, cPanel, WHM, Plesk, CyberPanel, DirectAdmin, Nginx, Apache, OpenLiteSpeed, Linux (Ubuntu, CentOS, Debian, AlmaLinux), Windows Server, Docker, CI/CD, GitHub Actions 🔹 Frontend: React.js, Next.js, Vue.js, JavaScript, Tailwind CSS, Bootstrap, base44 🔹 API & Third-Party: Payment Gateway Integration, SMS Gateway Integration, Chatbot, Geo-Location APIs, Twillo APIs. 🔹 CMS & E-commerce: WordPress, Wordpress Theme, Wordpress Plugin, Shopware, Grav CMS Tell me your situation, slow app, broken server, outdated codebase, or a new build. I'll give you a clear plan, honest timeline, and get it done right.