Senior Flutter and React Web Developer

quantia Bangladesh
Remote
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AI Summary

Build cross-platform mobile apps and responsive web apps with AI-driven capabilities. Implement pixel-perfect UIs and integrate apps with backend services. Develop with Flutter and ReactJS, and collaborate with AI teams and backend developers.

Key Highlights
Build cross-platform mobile apps with Flutter
Develop responsive web apps with ReactJS
Implement AI-driven features with real-time capabilities
Key Responsibilities
Develop and maintain cross-platform mobile apps using Flutter
Build and maintain web applications using ReactJS
Implement pixel-perfect UIs that match design mockups across devices
Integrate apps with backend services, REST APIs, WebSockets, and real-time systems
Collaborate closely with backend developers (Java & Spring Boot) for AI-driven features and real-time workflows
Implement Firebase Cloud Messaging (FCM) for push notifications
Configure and manage deep linking for seamless in-app navigation
Assist in testing, debugging, and deploying applications to App Store and Google Play Store
Technical Skills Required
Flutter Dart JavaScript ReactJS TypeScript Webpack Node.js Java Spring Boot REST API WebSockets
Benefits & Perks
Fully remote work
100% remote work environment
Annual salary up to BDT 60,000
Opportunities to learn and grow Flutter, ReactJS, and full-stack skills
Nice to Have
Experience with AI/ML integration, OpenAI APIs, or Agentic AI workflows
Experience with voice features, Twilio, or real-time chat systems
Familiarity with Git, CI/CD pipelines, and testing frameworks

Job Description


Flutter & Web Developer

Salary up-to BDT 60,000/-

Location: Remote (Bangladesh)

Job description

We’re building next-generation AI-driven applications with real-time capabilities, multi-tenant architectures, and seamless web & mobile experiences. As a Flutter & Web Developer, you’ll work closely with backend engineers and AI teams to build cross-platform mobile apps, responsive web apps, and pixel-perfect UIs.

If you’re passionate about Flutter, ReactJS, AI-powered systems, real-time features, and app deployment, this is the role for you.


Responsibilities
  • Develop and maintain cross-platform mobile apps using Flutter.
  • Build and maintain web applications using ReactJS.
  • Implement pixel-perfect UIs that match design mockups across devices.
  • Integrate apps with backend services, REST APIs, WebSockets, and real-time systems.
  • Collaborate closely with backend developers (Java & Spring Boot) for AI-driven features and real-time workflows.
  • Implement Firebase Cloud Messaging (FCM) for push notifications.
  • Configure and manage deep linking for seamless in-app navigation.
  • Assist in testing, debugging, and deploying applications to App Store and Google Play Store.
  • Ensure apps are responsive, performant, and maintainable across mobile and web platforms.

Contribute to UI/UX design improvements and implement modern design principles.


Required Skills & Qualifications
  • 1+ year experience developing Flutter mobile applications.
  • Experience building web applications with ReactJS.
  • Solid knowledge of Dart, JavaScript/TypeScript, and Flutter widget system.
  • Experience with real-time systems, WebSockets, and REST API integration.
  • Familiarity with local storage solutions (SQLite, Hive, or similar).
  • Experience with app deployment to App Store and Play Store.
  • Understanding of state management (Provider, Riverpod, Bloc, or similar).
  • Ability to implement pixel-perfect UIs across mobile and web.
  • Basic knowledge of app security, performance optimization, and cross-platform development.
  • Good teamwork and communication skills.
Nice to Have
  • Experience with AI/ML integration, OpenAI APIs, or Agentic AI workflows.
  • Experience with voice features, Twilio, or real-time chat systems.
  • Familiarity with Git, CI/CD pipelines, and testing frameworks.

Exposure to multi-tenant business applications.


Why You’ll Love Working With Us
  • Build AI-powered, real-time applications for web and mobile platforms.
  • Collaborate with a passionate, innovative, and fast-growing global team.
  • 100% remote, flexible work environment.
  • Learn and grow your Flutter, ReactJS, full-stack, and UI/UX skills alongside senior developers.

Exposure to modern backend systems, cloud infrastructure, AI workflows, and production app deployment.




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