Flutter Developer

Sanjay Kumar Das

******.****.***@*****.*** Portfolio +91-863******* Github Medium

Summary

Skilled Flutter developer with 4+ years of experience building cross-platform apps for mobile, web, and desktop. Proficient in clean architecture, BLoC, and integrating services like APIs and Payment Gateway. Delivered multiple production apps with strong UI/UX and performance. Collaborative, efficient, and focused on scalable, maintainable solutions. Education

University of Engineering and Management, Jaipur July 2019 – June 2023 Bachelor of Technology - Computer Science; GPA: 8.0 Skills Summary

• Languages: Dart, Python, C++, C

• Frameworks: Flutter

• Tools: Docker, GIT, Firebase CLI, OneSignal

• Platforms: GCP, Firebase, Appwrite, Stripe, Razorpay

• Soft Skills: Leadership, Event Management, Writing, Public Speaking, Time Management Experience

Freelance (Remote) Jan 2025 – Present

• Building applications for Startups and Small Businesses. Bandgi Technologies SDE-II Flutter (Remote) Oct 2024 – Dec 2024

• Improved on-boarding process for client acquisition by developing and integrating new app features. Liftup Technologies SDE-II Flutter (Remote) Feb 2024 – Oct 2024

• Developed a cross-platform app allowing users to simultaneously post on multiple Social Media

• Optimized user interface and implemented scheduling and post analytics features. IOTRL Connect SDE-I Flutter (Remote) Feb 2023 – Feb 2024

• Built SafetyConnect project from ground up.

• Developed Sentiance SDK for Flutter for data analysis. Medaid Technologies Tech Lead (Remote) May 2021 – Jan 2023

• Led a team of 5 to develop a healthcare application.

• Integrated advanced payment and security features. Velozity Global Solutions SDE-I Flutter (Remote) Oct 2020 — May 2021

• Built a 3-app Food Delivery System: User, Restaurant, and Delivery.

• Integrated geo-location, order tracking, Payment Gateway and push notification system. Projects

• E-Commerce Platform (Amazon): Tech Stack: Flutter + Firebase and Features: Dynamic UI, responsive design, cart and order management, Stripe payment gateway integration.

• Food Delivery App (Uber Eats): Apps: User, Restaurant, Delivery and Features: Nearby restaurant fetch, real-time order updates, payment processing, delivery assignment logic.

• Cab Booking App (Uber):Apps: Rider and Driver and Features: Live map tracking using Google Maps SDK, real-time location updates, fare estimation, secure payments. Publications

• Published 30+ Medium articles on Flutter (BLoC, Local Storage, Push Notifications, etc.).

• Udemy course: ”5+ Udemy courses” (25000+ students). Volunteer Experience

Flutter for Learners Conducted Flutter virtual workshops for 500+ students. Feb 2024 – Present

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