React Native Developer

The Role:

We are looking for a Software Development Engineer (Android) to join our Core Payments team at Razorpay. In this role, you will be responsible for developing and scaling our Android SDK, the critical integration point used by thousands of merchants to process payments across multiple geographies.

You will work closely with product and backend engineering teams to design high-performance features, ensuring the SDK remains secure, lightweight, and developer-friendly. This role offers the opportunity to solve complex engineering challenges involved in building financial infrastructure that operates at massive scale.

Roles and Responsibilities:

• SDK Development: Contribute to the development of our native Android SDK, ensuring high availability and seamless payment experiences for a diverse merchant base across a highly fragmented device and OS ecosystem.
• Engineering Excellence: Write clean, maintainable, and modular code. Architect solutions that are resilient across different host app environments, OEM customisations, and Android OS versions.
• Automation: Design and implement robust automation for tests, builds, and performance profiling. If a task is repetitive, you are expected to automate it.
• Instrumentation: Build deep telemetry within the SDK to provide real-time insights into success rates and latency, enabling data-driven product decisions.
• Security: Implement industry-standard security protocols, including SSL pinning, ProGuard/R8 obfuscation, and runtime integrity/root-detection checks, to protect sensitive transaction data.

Mandatory Qualifications:

• 2+ years of experience in native Android development using Kotlin (working knowledge of Java is expected for legacy interoperability).
• Systems Design: Solid understanding of OOPS principles and architectural patterns (e.g., MVVM, MVI, or Clean Architecture).
• Cross-Platform Knowledge: Practical experience with bridge-based frameworks such as Flutter, React Native, or Cordova.
• Technical Depth: Strong proficiency in Kotlin Coroutines/Flow, Jetpack libraries, Activity/Fragment lifecycles, and both XML Views and Jetpack Compose.
• Debugging: Proficiency in using Android Studio Profiler, LeakCanary, and network inspection tools for memory management, CPU profiling, and network debugging.

Good to Have:

• iOS Stack Experience: Familiarity with Swift is highly preferred to help maintain feature parity and align API design across platforms.
• Deployment & Tooling: Knowledge of Gradle build customisation, publishing to Maven Central, and CI/CD tooling (e.g., Fastlane, GitHub Actions) for automated distribution.
• Open Source: Active contributions to GitHub or a portfolio of apps published on the Google Play Store.

Location: Bangalore

Job Description:

• Strong proficiency with JavaScript / Core Java and other related technologies.
• Expertise in developing models and scalable Microservices components.

Good to have:

• Knowledge of Databases such as MySQL, DB2, Oracle and etc. (at least one)
• Basic understanding of front-end technologies, such as HTML5, and CSS3

Roles & Responsibilities:

• Developing and maintaining scalable APIs using Node.js
• Writing reusable, testable, and efficient code
• Integrating user-facing elements developed by front-end developers with server-side logic
• Designing and implementing low-latency, high-availability, and performant applications
• Implementing security and data protection measures
• Integrating data storage solutions (MongoDB, MySQL, etc.)
• Staying abreast of developments in web applications and programming languages

Key Responsibilities

Developing new features and user interfaces from wireframe models.

Ensuring the best performance and user experience of the application.

Fixing bugs and performance problems.

Writing clean, readable, and testable code.

Cooperating with back-end developers, designers, and the rest of the team to deliver well-architected and high-quality solutions.

Key Skills

1. Extensive knowledge of mobile app development. This includes the whole process, from the first line of code to publishing in the store(s).

2. Deep knowledge of mobile platforms on which the app runs, e.g., Android, iOS etc.

3. Proficient in HTML, CSS, Javascript, React, React Native, Node whichever language you use in the app.

4. Proficiency with writing automated tests in JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc. depending on the libraries you use to test

5. Familiarity with RESTful APIs and mobile libraries for networking.

6. Familiarity with the JSON format.

7. Experience with profiling and debugging mobile applications.

8. Strong knowledge of architectural patterns—MVP, MVC, MVVM, and Clean Architecture—and the ability to choose the best solution for the app.

9. Familiarity with Git and Github.

10. Familiarity with push notifications.

11. Understanding mobile app design guidelines on each platform and being aware of their differences.

• Minimum 2+ years of experience in React Native/ React development
• Familiarity with AWS solutions like Amplify , Cognito, DynamoDB will be a bonus
• Should be able to write reusable, testable, and efficient code. Should be able to design and implement low-latency, high-availability, and high-performance applications.
• Architect & design technically robust, flexible, and scalable solutions
• You must have experience in deploying Android/iOS apps previously on playstore/Appstore.
• You should be able to build pixel-perfect, amazingly smooth UIs across both mobile platforms.
• Diagnose and fix bugs and performance bottlenecks for performance that feels native
• .
• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax.

Location: Bangalore, Gurgaon, Work From Home

Function: Software Engineering → Mobile Development

React Native Developer (2-4 yrs)

- We are looking for a qualified React Native developer to join our Engineering team.

- You will be working with our engineers to develop and maintain high-quality mobile applications for both platforms like Android and iOS.

- Ultimately, you should be able to design and build the next generation of our mobile applications.

Job Responsibilities and Required Skills:
- Experience with React Js, React Native, JavaScript including DOM manipulation, and the JavaScript object model.
- Thorough understanding of React Native and its core Principles.
- Hands-on experience on React Native Framework at least 2 years.
- Good Knowledge of HTML5, CSS.
- Familiarity with code versioning tools (Such as Git, SVN or Mercurial)
- Familiarity with RESTful APIs
- Familiarity with modern front-end builds pipelines and tools.
- Experience with common front-end development tools such as Babel, Web pack, NPM etc.
- Experience with Native Mobile app deployment on App store and google play store.