class SeragEldinSabry {
final String role = "Senior Flutter Developer";
final int years = 5;
final String location = "Alexandria, Egypt 🇪🇬";
final List<String> superpowers = [
"80% crash reduction via memory optimization",
"50% performance boost through rendering optimization",
"20+ production apps on Play Store & App Store",
"2 full POS systems + 2 KDS systems built from scratch",
];
final List<String> currentFocus = [
"Clean Architecture & BLoC patterns",
"Flutter rendering pipeline & Impeller",
"Open-source packages on pub.dev",
"Fintech & regulated environments",
];
}Core
Architecture & State
Backend & APIs
Platforms & Integrations
DevOps & Tools
Payments & Commerce
Published on pub.dev — actively maintained
| Package | Description | Downloads | Likes |
|---|---|---|---|
| 🔵 pay_with_paymob_flutter | Comprehensive Paymob payment gateway — Unified Checkout, iFrame, wallets, installments | ⭐ 2 | |
| 🟢 woocommerce_plugin | Full WooCommerce REST API v3 — products, orders, cart, JWT-Auth | ⭐ 1 | |
| 🟣 zatca_2_invoice_generator | ZATCA Phase 2 compliant QR code invoice generator | ⭐ 10 | |
| 🟡 sure_pay_plugin | SurePay POS terminal over TCP/IP — purchases, reversals, reconciliation | ⭐ 1 |
| 🎯 Achievement | 📊 Impact |
|---|---|
| Application Stability | 80% reduction in crashes via memory optimization |
| Performance Optimization | 50% boost through rendering & API restructuring |
| Production Launches | 20+ apps on Play Store & App Store |
| POS Ecosystem | 2 POS systems · 2 KDS · multiple cashier apps |
🛒 POS & Restaurant Systems
| App | Description | Store |
|---|---|---|
| Fawtarra POS | ZATCA-authorized POS for restaurants — invoicing, tax compliance | |
| Fawtarra KDS | Kitchen display system connected to POS | |
| Fawtarra CDS | Customer display during checkout | |
| Primary Cashier | Full POS covering front-end & kitchen ops | |
| Primary KDS | Real-time kitchen display | |
| Primary CDS | Customer display for checkout | |
| Primary MC | Mobile cashier for order management | |
| Primary Notifier | Order coordination notifier | |
| PosMena POS | POS terminal for business |
🌐 E-Commerce & Business Apps
| App | Description | Store |
|---|---|---|
| Mabna | Construction & industrial platform for clients | |
| Ehab Center | WooCommerce app with WordPress REST API | |
| Mast | Store discovery, rating & bookmarking | |
| Fawtarra HR | HR self-service — payroll, leave, attendance |
🕌 Lifestyle & Islamic Apps
| App | Description | Store |
|---|---|---|
| Basmala | Islamic app — Qur'an, hadiths, offline Qibla, smart rosary |
2019 ──────── Flutter Developer (Freelance / Early Career)
└── First production apps
2021 ──────── Mid Flutter Developer @ ElNokhba
└── Retail apps focused on reliability
2022 ──────── Senior Flutter Developer @ Matn Solutions
└── Delivery system performance — 50% boost
2024 ──────── Senior Flutter Developer (Part-Time) @ Primary
└── Restaurant POS ecosystem
2024 ──────── Senior Flutter Developer @ 3D Systems
└── Scalable POS systems
NOW ──────── Open to Senior Flutter opportunities 🚀
└── Fintech · Proptech · Regulated environments