Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Flutter developer with 3+ years of professional experience building and maintaining production-grade cross-platform mobile applications. Experienced with Flutter/Dart, BLoC/Cubit, Clean Architecture, REST/GraphQL, Firebase, real-time communication, payments, and third-party SDK integrations. Proven track record developing reusable Flutter architecture, optimizing performance, conducting code reviews, and delivering complex mobile features for Android and iOS across multiple production apps and internal tools.…Flutter developer with 3+ years of professional experience building and maintaining production-grade cross-platform mobile applications. Experienced with Flutter/Dart, BLoC/Cubit, Clean Architecture, REST/GraphQL, Firebase, real-time communication, payments, and third-party SDK integrations. Proven track record developing reusable Flutter architecture, optimizing performance, conducting code reviews, and delivering complex mobile features for Android and iOS across multiple production apps and internal tools.

Kritartha Bikram Shah

App Developer, Software Engineer, Web Developer, +2





Flutter developer with 3+ years of professional experience building and maintaining production-grade cross-platform mobile applications. Experienced with Flutter/Dart, BLoC/Cubit, Clean Architecture, REST/GraphQL, Firebase, real-time communication, payments, and third-party SDK integrations. Proven track record developing reusable Flutter architecture, optimizing performance, conducting code reviews, and delivering complex mobile features for Android and iOS across multiple production apps and internal tools.…Flutter developer with 3+ years of professional experience building and maintaining production-grade cross-platform mobile applications. Experienced with Flutter/Dart, BLoC/Cubit, Clean Architecture, REST/GraphQL, Firebase, real-time communication, payments, and third-party SDK integrations. Proven track record developing reusable Flutter architecture, optimizing performance, conducting code reviews, and delivering complex mobile features for Android and iOS across multiple production apps and internal tools.

Available to hire

Flutter developer with 3+ years of professional experience building and maintaining production-grade cross-platform mobile applications. Experienced with Flutter/Dart, BLoC/Cubit, Clean Architecture, REST/GraphQL, Firebase, real-time communication, payments, and third-party SDK integrations.

Proven track record developing reusable Flutter architecture, optimizing performance, conducting code reviews, and delivering complex mobile features for Android and iOS across multiple production apps and internal tools.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Work Experience

Flutter Developer at Ebpearls – Kupondole, Lalitpur

July 1, 2025 - Present

Developed and maintained 4+ production and internal Flutter applications covering scheduling, bookings, payments, notifications, document processing, and role-based workflows. Designed and maintained a reusable Flutter QuickStarter architecture (project structure, state management, networking, dependency injection, environment configuration, and shared UI components). Built complex workflows including calendar synchronization, roster management, payments, OCR-based invoice processing, document scanning, and real-time data synchronization. Integrated third-party platforms and SDKs including Stripe, Apple Pay, Firebase, Google Calendar, Microsoft Outlook Calendar, Branch.io, GraphQL, and REST APIs. Applied BLoC/Cubit, GetX, Freezed, and Clean Architecture, including code reviews, debugging, and performance optimization. Maintained internal Flutter packages and reusable components to improve consistency and reduce duplicated work across applications.

Part-Time Flutter Developer at Codespider Technology Ltd. (UK) – Remote

April 1, 2025 - October 31, 2025

Resolved critical performance issues in the SwimSeeker mobile application, including memory optimization, APK-size reduction, and build-time improvements. Implemented real-time messaging with online/offline presence and Agora-based audio/video calling with social features (posts, reactions, comments, follows, moments). Implemented role-based access for business and personal users and built a custom PayPal WebView integration for product listings and purchases without relying on a dedicated third-party Flutter package. Worked remotely with a UK-based team contributing to production mobile features and troubleshooting application-level performance issues.

Mid-Level Flutter Developer at CellApp | SmartPalika – Thapathali, Kathmandu

April 1, 2024 - July 31, 2025

Developed and maintained 10+ cross-platform Flutter applications with a focus on responsive UI, stability, and maintainable architecture. Integrated RESTful APIs and implemented state management using BLoC and GetX across multiple production apps. Diagnosed and optimized performance issues (load-time and memory management) to improve responsiveness and stability. Conducted code reviews and technical improvements following Flutter best practices to enhance code quality and maintainability.

Flutter Developer at EduSewa | Travel Quoter – Remote

July 1, 2023 - December 31, 2023

Developed responsive Flutter applications for booking and user-management workflows across different device sizes. Integrated backend services and REST APIs using Dio and HTTP to implement application data flows and features. Collaborated with the development team using Git and GitHub for version control and delivery.