Faizan UllahSenior Flutter Engineer
Passionate About Mobile Innovation
A Gold Medalist engineer who turns complex problems into elegant mobile experiences.
Results-driven Senior Flutter Engineer with 5+ years of experience delivering high-quality, scalable mobile applications across Flutter, Kotlin, and Swift. Proven track record of improving app responsiveness by 25%, reducing production bugs by 30%, and maintaining 95% on-time delivery across 10+ enterprise projects. Specialized in FinTech, HealthTech, and enterprise mobility solutions with deep expertise in clean architecture, CI/CD pipelines, and cross-platform development.
Technical Expertise
A comprehensive toolkit built over 5+ years of professional development.
Mobile Development
Architecture & Patterns
Testing & Quality
DevOps & Tools
Backend & Cloud
Core Proficiency
Work History
5+ roles of progressive growth across startups and enterprise-level organizations.
Senior Software Engineer (Flutter)
Architect and develop secure, scalable FinTech mobile applications using Flutter, serving thousands of users across Saudi Arabia. Implement VPN integrations, biometric authentication, and performance optimizations, achieving a 25% improvement in responsiveness. Drive code quality through TDD and BDD using Mockito, reducing code-related issues by 30%. Apply MVVM, MVI, and Clean Architecture with BLoC/Cubit, GetX, and Provider, decreasing crash rates by 20%. Manage CI/CD pipelines via Azure DevOps, enforce SOLID principles, and integrate DexGuard/iXGuard for app security.
Software Engineer (Flutter)
Engineered multi-platform mobile applications processing media with multilingual support, increasing user engagement by 15%. Integrated Firebase Analytics and Crashlytics for data-driven insights, improving user satisfaction by 10%. Implemented real-time communication using Socket.IO and SignalR for inventory, orders, and transaction synchronization. Configured payment terminal SDKs, receipt printer SDKs, and KIOSK/SWIFT device integrations for POS operations. Managed CI/CD pipelines and established RESTful API integrations, Bar/QR code, and push notification systems.
Software Engineer (Flutter)
Developed feature-rich mobile applications integrating Google Maps, multi-language support, and push notifications. Implemented monetization via AdMob, Facebook Ads, and AppLovin Ads, contributing to revenue growth.
Junior Software Engineer
Contributed to cross-platform mobile application development using Flutter, collaborating on feature implementation and bug resolution.
Junior Flutter Developer
Developed secure real-time chat features leveraging Node.js, PHP, and Socket.IO for audio, video, and text communication. Resolved security vulnerabilities in multimedia functionalities, ensuring data integrity and user privacy compliance.
// portfolio
Featured Projects
A selection of impactful applications built across FinTech, social, AI, and enterprise domains.
American Express KSA (AMEX KSA)
Developed a secure, high-performance FinTech application for American Express users in Saudi Arabia, ensuring seamless financial transactions, account management, and VPN security while complying with local and international banking regulations.
WeTrends – Social App with Live Streaming & E-Commerce
Designed and developed WeTrends, a short-video social platform similar to TikTok, integrating live calling, real-time streaming, and in-app chat for interactive user engagement. The app also includes e-commerce features, allowing users to buy and sell products directly within the platform.
Dtek Swift – Auto Cashier System with AI
Designed and developed the frontend UI for an AI-powered automated cashier system, streamlining the checkout process using facial recognition and payment automation.
Key Achievements
Quantifiable improvements delivered across real-world projects.
Academic Background
Bachelor's in Information Technology
Languages
Let's Work Together
Open to new opportunities, collaborations, and exciting projects. Let's build something great together.