Mobile App Developer

2 days ago

Remote, India Naturolled Tea Full time ₹ 12,00,000 - ₹ 36,00,000 per year

We are looking for an experienced Freelance Mobile App Developer capable of building a fully functional, highly secure B2B mobile application for both Android and iOS platforms. The ideal candidate must be able to develop the entire application from scratch (hardcoded/manual coding) with clean architecture, optimized performance, and a professional-grade user experience.

This is a full-cycle development project where the final deliverable will be a production-ready mobile app with all backend and frontend components fully integrated.

Responsibilities

  • Develop a robust, scalable, and secure B2B mobile application for Android and iOS using native or cross-platform technologies.
  • Write clean, maintainable, and well-documented code (hardcoded/manual coding—no no-code/low-code tools).
  • Build and integrate a secure backend, including:
  • Database design and setup
  • API development and integration
  • Oauth authentication and user management
  • Role-based access control (RBAC)
  • Integrate secure payment gateway(s) and ensure compliance with industry standards.
  • Implement best-in-class application security practices (data encryption, secure storage, secure API communication).
  • Ensure UI/UX implementation matches the design and provides a smooth user experience.
  • Perform full QA testing (unit, integration, performance).
  • Deploy applications to the Google Play Store and Apple App Store.
  • Provide documentation and minimal training/technical handover upon completion.

Required Skills & Qualifications

  • 3+ years of professional mobile app development experience (Android and iOS).
  • Proven experience building and launching production-ready mobile apps.
  • Strong proficiency in:
  • Android: Kotlin/Java
  • iOS: Swift
  • or Cross-platform: Flutter / React Native (if applicable)
  • Solid understanding of backend development, including , Django, Laravel, or similar frameworks.
  • Experience with RESTful APIs, database systems (MySQL, PostgreSQL, MongoDB), and cloud platforms (AWS, Firebase, GCP, etc.).
  • Hands-on experience integrating payment gateways (Stripe, Razorpay, PayPal, etc.).
  • Strong understanding of OAuth 2.0, JWT, and other authentication frameworks.
  • Familiarity with CI/CD, version control (Git), and app store submission processes.
  • Ability to develop secure applications following industry standards (OWASP Mobile Security).
  • Excellent communication skills and ability to work independently with minimal supervision.

Preferred Qualifications

  • Experience building B2B or enterprise-grade applications.
  • Knowledge of microservices or serverless architecture.
  • Experience with analytics, push notifications, and real-time features.
  • Familiarity with DevOps tools and automated deployment pipelines.

Deliverables

  • Complete Android and iOS applications (production-ready).
  • Fully integrated backend (database, APIs, authentication, admin panel if needed).
  • Fully integrated payment gateway.
  • Secure login system using OAuth.
  • Complete source code with documentation.
  • Assistance with app store publication.
  • Post-launch support for a defined period (optional/negotiable).

Job Type: Freelance

Work Location: Remote

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