Senior Flutter Developer (5 plus Years,Remote)

Novizco Infotech; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Novizco Infotech in the United States seeks an experienced Senior Flutter Developer with 5-7 years of hands-on Flutter/Dart experience to design and maintain cross-platform applications for iOS, Android, and web.

You will architect scalable solutions, manage state with MobX/Provider, and integrate REST APIs using Dio while collaborating with distributed teams to ensure performance, reliability, and quality throughout the product lifecycle.

Qualifications

• 5-7 years of software development experience with Flutter and Dart.
• Production-ready iOS/Android apps experience.
• Flutter web experience.
• Strong state management knowledge (MobX/Provider).
• REST API integration using Dio or similar.
• Firebase services experience and payment integrations.
• Experience with routing, deep linking, notifications, and testing.

Responsibilities

• Design, develop, test, and maintain cross-platform apps with Flutter/Dart.
• Build mobile apps for iOS/Android; support Flutter web.
• Implement architecture, reusable components, and clean code.
• Manage app state with MobX/Provider.
• Integrate REST APIs using Dio or similar libraries.
• Implement authentication and third-party integrations (Firebase, payments).
• Handle routing, deep linking, push notifications, and document viewing.
• Monitor performance, troubleshoot, and improve reliability with Sentry/Crashlytics.
• Write tests, participate in code reviews, and follow coding standards.
• Collaborate with backend, QA, product, and other teams.
• Support builds, releases, and deployment workflows for mobile and web.

Skills

Flutter

Dart

REST APIs

MobX

Provider

Firebase

iOS/Android

Flutter web

Git

Testing

CI/CD

Tools

Dio

Job description

About the Role

We are seeking a Senior Flutter Developer with 5-7 years of relevant experience in building and maintaining cross-platform applications for iOS, Android, and web. The ideal candidate will have strong expertise in Flutter and Dart, API integration, state management, and application performance, along with excellent communication skills and the ability to collaborate with distributed teams.

Key Responsibilities

Design, develop, test, and maintain cross-platform applications using Flutter and Dart.

Build and enhance mobile applications for iOS and Android, with experience supporting Flutter web

applications.

Implement application architecture, reusable components, and maintainable code structures.

Manage application state using MobX, Provider, or comparable state management solutions.

Integrate REST APIs using Dio or similar networking libraries.

Implement authentication and third-party integrations, including Firebase services and payment gateways.

Work with routing, deep linking, push notifications, document viewing, and electronic-signature functionality as required.

Monitor application performance, troubleshoot defects, and improve reliability using tools such as Sentry and Firebase Crashlytics.

Write unit and widget tests, participate in code reviews, and follow established coding standards.

Collaborate with backend developers, QA engineers, product stakeholders, and team members.

Support application builds, releases, and deployment workflows for mobile and web platforms.

Communicate progress, technical challenges, dependencies, and risks clearly to stakeholders.

Required Skills & Experience

5 to 7 years of relevant software development experience, with strong hands-on expertise in Flutter and Dart.

Experience developing and maintaining production-ready iOS and Android applications.

Experience building or maintaining Flutter web applications.

Strong understanding of state management, preferably MobX and Provider.

Hands-on experience integrating REST APIs using Dio or similar libraries.

Familiarity with Firebase Authentication, Firebase Cloud Messaging, and other Firebase services.

Experience with application navigation, responsive UI development, debugging, and performance optimization.

Knowledge of automated testing, version control using Git, and collaborative development workflows.

Familiarity with mobile application build and release processes for the Apple App Store and Google Play.

Excellent verbal and written communication skills, with the ability to explain technical concepts clearly and collaborate across time zones.

Soft Skills

Excellent communication and collaboration skills.

Strong analytical and problem-solving mindset.

Ability to work independently and manage multiple priorities.

Proven track record of mentoring and leading technical teams.

Preferred Qualifications

Experience integrating payment gateways such as Stripe.

Familiarity with deep linking, analytics, crash reporting, and application monitoring tools.

Experience with document viewing, file uploads, and electronic-signature integrations.

Exposure to CircleCI or similar CI/CD tools and Firebase Hosting.

Experience working with REST APIs secured through token-based authentication.

Why Join Novizco

Opportunity to work on cutting-edge projects with modern tech stacks.

Collaborative and innovative team culture.

Growth-oriented environment with continuous learning opportunities.