Mobile App Developer (React Native/Flutter)

We are looking for a Senior Frontend / Mobile App Engineer with deep expertise in React Native and/or Flutter, strong frontend fundamentals, and a product mindset. You will play a key role in designing and building high-quality, scalable, and performant mobile applications used by millions of learners worldwide.

This role requires hands-on ownership, architectural thinking, and the ability to collaborate closely with product, design, and backend teams in a fast-moving, AI-first environment.

Key Responsibilities:

• Lead the design and development of high-performance mobile applications using React Native and/or Flutter
• Build intuitive, engaging, and accessible user experiences across Android and iOS
• Own features end-to-end—from concept and design to development, testing, and production release
• Define and drive frontend/mobile architecture, patterns, and best practices
• Ensure excellent app performance, responsiveness, and reliability at scale
• Collaborate with backend teams to integrate APIs and AI-powered services
• Mentor junior engineers and contribute to code reviews and design discussions
• Continuously evaluate and adopt new tools, frameworks, and patterns to improve product quality
• Work in an Agile environment with rapid iterations and frequent releases

Required Qualifications

• Bachelor’s or Master’s degree in Computer Science or equivalent
• 6+ years of overall frontend/mobile development experience
• Strong hands-on experience with React Native and/or Flutter in production-grade apps
• Deep understanding of JavaScript / TypeScript, mobile UI frameworks, and app architecture
• Strong knowledge of CS fundamentals, data structures, and algorithms
• Experience building scalable, maintainable, and testable codebases
• Solid understanding of mobile performance optimization, memory management, and rendering
• Experience working with RESTful APIs and modern backend integrations
• Proficiency with Git and modern build / CI tools
• Strong problem-solving skills and product-oriented thinking

Why Join CK-12?

• Work on products impacting hundreds of millions of learners globally
• Be part of a non-profit, mission-first organization
• Build cutting-edge AI-powered learning platforms
• High ownership, low bureaucracy, and freedom to innovate

We are looking for a Senior iOS Developer, who should be able to

1. Strong knowledge on iPad, iPhone And Mobile compatibility developments.
2. Solid understanding of iOS application architecture patterns (e.g., MVC, MVVM).
3. Proficient in working with RESTful APIs and integrating third-party libraries.
4. Strong knowledge of software engineering principles, design patterns, and best practices.
5. Familiarity with agile development methodologies.
6. Excellent problem-solving and analytical skills.
7. Ability to work independently.
8. Strong communication and interpersonal skills.

We are seeking a skilled React Native Developer to join our development team in Noida. As a React Native Developer, you will be responsible for designing, developing, and maintaining high-quality mobile applications using the React Native framework. You will work closely with cross-functional teams to deliver outstanding mobile solutions.

Responsibilities:

• Develop and maintain mobile applications using React Native for iOS and Android platforms.
• Collaborate with designers and backend developers to implement intuitive user interfaces and ensure seamless user experiences.
• Write clean, efficient, and maintainable code, following coding standards and best practices.
• Integrate third-party libraries and APIs to enhance application functionality.
• Conduct thorough testing and debugging to identify and resolve any issues or bugs.
• Stay updated with the latest industry trends, technologies, and best practices in mobile application development.
• Collaborate with backend developers to ensure smooth integration of server-side logic.
• Participate in code reviews and provide constructive feedback to team members.

Requirements:

• 2-5 years of professional experience in mobile application development.
• Strong proficiency in React Native framework and JavaScript.
• Good understanding of mobile app development concepts, including UI/UX design principles and mobile-specific considerations.
• Experience with RESTful APIs and asynchronous programming.
• Familiarity with version control systems, such as Git.
• Knowledge of mobile app performance optimization techniques.
• Strong problem-solving and debugging skills.
• Excellent communication and collaboration abilities.
• Ability to work effectively in a fast-paced and dynamic environment.
• Bachelor's or Master's degree in Computer Science or a related field.

Preferred Skills:

• Have practical experience on deploying an app on "Play store"

We are looking for a highly skilled computer programmer who is comfortable with both front and backend programming. Full stack developers are responsible for developing and designing frontend web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.

Fullstack developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Full Stack web developer responsibilities: 

Developing frontend website architecture.

Designing user interactions on web pages.

Developing back-end website applications.

Creating servers and databases for functionality.

Ensuring cross-platform optimization for mobile phones.

Ensuring responsiveness of applications.

Working alongside graphic designers for web design features.

Seeing through a project from conception to finished product.

Designing and developing APIs.

Staying abreast of developments in web applications and programming languages.

• Should have develop Native Mobile Applications.
• Should have worked on SQLite, Retrofit, Firebase etc.
• Must have knowledge working on Hybrid Applications.
• Additional advantage if worked of frameworks like React Native, Flutter etc.
• Advantage having working knowledge of Kotlin.
• Certification done is an additional advantage.
• Even candidate should have very good debugging skills.
• Clear about Object Oriented Programming Concepts.
• Must have knowledge of working with api's and working with databases.

• Ability to work independently and take ownership of the project.
• Should be capable to work in a team.
• Must have strong communication skills.
• Should be enthusiasts and able to take challenge