React Native Developer

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 out for an iOS Developer to join the Mobile team to take end to end ownership of our iOS Consumer App. We are looking out for someone who speaks fluent Swift and loves shipping and building beautiful, maintainable and scalable apps.

Requirements:

• You have 2-6 years of experience working with Swift and Objective-C whenever you encounter the pitfalls of Swift.
• Familiarity with MVC, MVP, MVVM and VIPER architectures.
• You have worked on 2-3 production apps with MAU's in the range of 25K+.
• You love getting your hands dirty and are dealing with legacy parts of the code bases.
• You have experience building projects from scratch as well as building on top of existing code bases.
• You have handled complex views ranging from Form Heavy views to Animation Heavy views.
• You have a strong bias towards action.

Good to have:

• Experience dealing with Location Data along with Mapping interfaces like Google Maps, Map Box or MapMyIndia.
• Experience implementing CI/CD, Automated Tests and Unit Testing.
• Experience with RxSwift, Alamofire, Kingfisher, Lottie, SwiftyBeaver, Firebase SDK, Clevertap SDK and ObjectMapper.
• Implementing designs w. r. t HCI guidelines.

Qualifications:

A Bachelor’s degree in Computer Science (or equivalent experience)

Job Role:

• Experience building and maintaining code for:
• iOS platform (Xcode, Swift, Objective C, Swift UI is a plus)
• Hands-on experience with modern technologies.
• Excellent Swift programming skills
• Excellent analytical, debugging and troubleshooting skills (battery usage, network usage optimization, etc)
• Passion for usability, simplicity and consistency in software development.
• Excellent communication and collaborative skills.
• Exposure to Agile methodologies
• Bonus points for knowledge of Android platforms, hybrid platforms(React native, Flutter).

Job description

1. To design and build advanced applications for the iOS platform.
2. Client Interaction.
3. To collaborate with cross-functional teams to define, design and ship new features.
4. To generate wireframes.
5. To design, develop, test and implement an iOS application as well as continue production of new versions of the application.
6. To design solutions independently.
7. Unit-test code for robustness, including edge cases, usability and general reliability.
8. Work on bug fixing and improving application performance.
9. Operates effectively in a fast paced, deadline driven, collaborative and iterative programming environment.
10. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.

Experience -

1. 1-3 years Experience required.
2. Good knowledge of interface builder, Core animation, Swift and Object oriented concepts.
3. Strong working knowledge of HTML5 & CSS, MySQL, and JavaScript.
4. Working knowledge of the general mobile landscape, architectures, trends and emerging technologies.
5. Experience with third-party libraries and APIs.
6. The familiarity with frameworks & web technologies.
7. Android experience is an added advantage.
8. Team handling experience is an added advantage.