Abrar Ul Haq

Flutter Developer with 4+ years of experience building scalable, high-performance cross-platform applications using Flutter and Dart. Expertise in Clean Architecture, Bloc/Provider state management, REST API integration, Firebase, and advanced mobile features including offline-first systems, real-time tracking, and payment integrations. Proven track record of scaling apps from 1K to 10K+ users, reducing app size by 50%, and improving API performance by 30%.

Experienced in CI/CD pipelines, App Store & Play Store deployment, and Agile development practices.

Consultant Frontend Developer - Newto Solutions Consulting - Bengaluru

(2024-02)

• Redesigned and optimized Briclay multi-app platform (customer, merchant, delivery) using Flutter, scaling users from 1K+ to 10K+.
• Implemented Clean Architecture with Bloc state management, improving scalability and maintainability.
• Built offline-first features with local caching & sync; integrated Google Maps (real-time tracking), OneSignal (notifications), and Firebase (Remote Config, Auth).
• Developed advanced features including Bluetooth printer (POS), Razorpay payments, ML Kit face detection, and video recording/editing.
• Reduced app size by 50% and improved performance through optimized REST API integration (Dio/http).
• Led migration of admin app from Flutter to React, improving scalability and development efficiency.

Flutter Developer - Digiblock Network - Remote

(2023-02 - 2024-02)

• Architected and developed a B2B business management application used by 500+ businesses.
• Integrated REST APIs and cloud services, reducing response time by 30% and improving data flow.
• Implemented Firebase services (Authentication, Firestore, Push Notifications) for real-time features.
• Applied Provider/Bloc state management for efficient UI updates and performance optimization.
• Deployed applications to Play Store & App Store, achieving 5K+ downloads with 4+ ratings.

Junior Flutter Developer - NetCat Technologies - Remote

(2022-01 - 2023-01)

• Developed cross-platform mobile applications using Flutter for Android and iOS platforms.
• Integrated RESTful APIs and optimized app performance, reducing load time by 15%.
• Collaborated in Agile teams, contributing to code reviews and feature development.

Bachelor of Engineering - Electrical and Electronics Engineering - Dhaanish Ahmed College of Engineering (2019-05)