Mobile App Developer(React Native Developer)

The Role:

We are looking for a Software Development Engineer (iOS) to join our Core Payments team at Razorpay. In this role, you will be responsible for developing and scaling our iOS 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.

Responsibilities:

• SDK Development: Contribute to the development of our native iOS SDK, ensuring high availability and seamless payment experiences for a diverse merchant base.
• Engineering Excellence: Write clean, maintainable, and modular code. Architect solutions that are resilient across different host app environments.
• 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 and runtime integrity checks, to protect sensitive transaction data.

Mandatory Qualifications:

• 2+ years of experience in native iOS development using Swift.
• Systems Design: Solid understanding of OOPS principles and architectural patterns (e.g., MVVM, VIPER, or Clean Architecture).
• Cross-Platform Knowledge: Practical experience with bridge-based frameworks such as Flutter, React Native, or Cordova.
• Technical Depth: Strong proficiency in GCD, Swift Concurrency, and UIKit/SwiftUI lifecycles.
• Debugging: Proficiency in using Xcode Instruments for memory management, CPU profiling, and network debugging.

Good to Have:

• Android Stack Experience: Familiarity with Kotlin or Java is highly preferred to help maintain feature parity and align API design across platforms.
• Deployment & Tooling: Knowledge of CocoaPods, Swift Package Manager (SPM), or Fastlane for automated distribution.
• Open Source: Active contributions to GitHub or a portfolio of apps published on the App Store.

We are looking for an Android developer responsible for the development and maintenance of applications aimed at a vast number of diverse Android devices. Your primary focus will be the development of Android applications and their integration with back-end services. You will be working along-side other engineers and developers working on different layers of the infrastructure. Therefore, commitment to collaborative problem solving, sophisticated design, and creating quality products is essential.

• Translate designs and wireframes into high quality code
• Design, build, and maintain high performance, reusable, and reliable Java code
• Ensure the best possible performance, quality, and responsiveness of the application
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and automatization

• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with offline storage, threading, and performance tuning
• Ability to design applications around natural user interfaces, such as “touch”
• Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
• Knowledge of the open-source Android ecosystem and the libraries available for common tasks
• Ability to understand business requirements and translate them into technical requirements
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimization
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git
• Familiarity with continuous integration

We are looking for an Android Developer who possesses a passion for pushing mobile technologies to the limits. This Android app developer will work with our team of talented engineers to design and build the next generation of our mobile applications. Android programming works closely with other app development and technical teams.

Responsibilities

• Design and build advanced applications for the Android platform
• Collaborate with cross-functional teams to define, design, and ship new features
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency

Requirements

• BS/MS degree in Computer Science, Engineering or a related subject
• Proven software development experience and Android skills development
• Proven working experience in Android app development and have published at least one original Android app
• Experience with Android SDK
• Experience with third-party libraries and APIs
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
• Solid understanding of the full mobile development life cycle.

Job Types: Full-time, Permanent

Currently, we are looking for engineers who are skilled, passionate, driven, and a wee bit crazy (yes, crazy works! ) to join our tribe. The small tweaks you make, the processes you alter, the experiments you run, and the business decisions you drive will have reverberating effects on our ability to add value to our customers and keep them coming back for more.

Responsibilities:

• Work on cutting edge technical systems and seek to do things no one else has done before.
• Work with a group of people who believe in the utmost transparency and ethical practices.
• Work with full autonomy and high ownership of outcomes
• Add value to our user's life • Evolve as a professional through a learning and challenging journey.

Requirements:

• 4+ years of overall work experience, and a minimum of 2 years of experience in Android development
• Excellent knowledge of Java, Kotlin and Android eco-system
• Experience in software engineering best practices and design principles
• Prior experience in working on scalable Android App • Capable of handling web service integration - RESTful, JSON, SOAP, XML
• A focus and passion for Mobile UI & UX to make apps exciting for the user
• Excellent debugging and optimisation skills
• Rapid prototyping skills for getting product feedback
• Understanding of product development lifecycle
• Experience in React Native is a bonus

• Designing the Mobile Application for our product offering
• Communicating effectively in a cross-functional product development team and present ideas and designs effectively.
• Identifying and correcting bottlenecks and fixing bugs
• Helping maintain code quality, organization, and automatization

DESIRED SKILLS:

1. Android Development
2. Java / Kotlin
3. Javascript
4. UI / UX
5. Prototyping and Wireframing
6. Graphics and whiteboard application
7. Video-streaming and camera handling on Android
   
   
   

1. Minimum 4+ years of mobile application development experience in native and excellent coding skills in Swift, RxSwift, RxCocoa, Objective-C
2. Any experience on MVVM, VIPER
3. Should have deep knowledge of the iOS SDK and IDE development tools.
4. Experience developing client-server applications using technologies and web services APIs such as JSON, REST.
5. Has hands-on experience with unit testing.
6. Extensive experience in using various architecture, frameworks, and design patterns in designing/refactoring a highly optimized mobile is a must.
7. Solid understanding of the agile development process and experience.
8. Experience working in TDD (Test Driven Development) and CI/CD (Continuous Integration/Deployment) environment is a plus.
9. Implement clean and manageable code incorporating best practices on security
10. Collaborate with cross-functional teams from both offshore and onsite to define, design, and ship new features.
11. Unit-test code for robustness, including edge cases, usability, and general reliability.
12. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
13. Review code, bug triage and execute multiple releases as per business demand
14. Involvement with API team to design request / response contract
15. MVVM & VIPER is a must
16. Background fetch
17. Swift latest or minimum version 4 and Swift basics

Job Location: Pune

Experience: 2 to 5 years

Annual CTC: 400000 - 1000000 INR

Notice Period:  1 Month or Less

Skills: Flutter, Platform level iOS/Android, Mobile Application Development, SQLite.

Job Requirement:

• Desire to work in a startup environment, Fun@work culture and able to self-manage.
• Must have at least 2 years of experience in building mobile applications and built at least two Android and/or iOS apps with Flutter.
• A strong commitment to quality and willingness to learn.
• Have published one or more mobile apps in Google Play or App Store.
• Experience with third-party libraries and APIs.
• Experience working in an agile development process.
• Be proficient in using version control and continuous integration, with tools such as Bit Bucket, Git and Jenkins.
• Write clear, maintainable and testable code that you are proud of.
• Good communication skills.

Good to have: (Not Mandatory)

• Ability to take an ownership & leadership role on the team.
• Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies.
• Solid understanding of the full mobile development life cycle, including automated testing and building.
• Experience working in Fintech payments and eCommerce.
• General knowledge of Location Services, Maps, and other common Android/IOS libraries.