Senior App Developer

3 days ago

Kolkata, West Bengal, India Weekday AI Full time ₹ 25,00,000 - ₹ 45,00,000 per year

This role is for one of the Weekday's clients

Salary range: Rs Rs ie INR 25-45 LPA)

Min Experience: 5 years

Location: Kolkata

JobType: full-time

As a Senior React Native Developer, you will be responsible for designing, developing, and maintaining the core mobile applications that connect educators and parents through engaging and user-friendly interfaces. You will collaborate with cross-functional teams, including product, design, and backend engineers, to deliver robust, maintainable, and high-performing apps. This role also involves performance tuning, debugging, and leveraging modern AI tools and analytics to enhance app quality and speed up development workflows.

Requirements

Key Responsibilities:

  • Develop, maintain, and optimize React Native applications for both iOS and Android platforms.
  • Collaborate closely with product managers, designers, and backend teams to translate business requirements into efficient and scalable mobile solutions.
  • Utilize AI-powered tools and modern IDEs (like Cursor, Claude Code, etc.) to enhance development speed and maintain code quality.
  • Implement advanced mobile features, including media uploads, offline access, and push notifications.
  • Optimize app performance by monitoring startup times, memory usage, and responsiveness.
  • Ensure smooth app releases with rigorous testing, debugging, and continuous integration practices.
  • Work with monitoring tools such as Sentry, Firebase, and Mixpanel to track app health, user behavior, and crash reports.
  • Manage app store deployments, OTA updates, and maintain a strong release cycle for stability and performance.

What Makes You a Great Fit:

  • You bring 5+ years of proven experience in React Native and the broader React ecosystem, with a deep understanding of mobile app architecture and performance optimization.
  • You have hands-on expertise in native module integration, navigation handling, and app state management.
  • You are skilled at diagnosing complex performance issues and implementing scalable solutions.
  • You are experienced in using monitoring and analytics platforms like Sentry, Firebase, and Mixpanel to deliver high-quality releases.
  • You have a strong grasp of deployment processes, OTA updates, and best practices for App Store and Play Store releases.
  • You embrace innovation, are familiar with AI-assisted development tools, and constantly seek ways to improve speed, reliability, and user experience.
  • You thrive in a collaborative, agile environment, where continuous learning and quality engineering practices drive success.

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