Senior Mobile 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.

Requirements:

• 4-6 years of overall development experience.
• Very good understanding of core Javascript concepts.
• 3 years of React Native experience for iOS and/or Android.
• Extensive knowledge about mobile app development.
• This includes the whole process from the first line of code to publishing in the store(s).
• Some understanding of the build process involved with iOS and Android.
• Comfortable with basic design concepts and flex ui.
• Great attention to code quality & coding standards.
• Good grasp of architectural principles and patterns.
• Proficiency in Javascript/Typescript.
• Very good communication skills in English.

We're looking for an experienced and mature engineer (2-6 yrs experience), who wants to build incredible products while shaping the architecture, tools, and engineering culture of our company

Responsibilities:

• Architect and build our native Android application using Java or Kotlin.
• Set up our backend using either the MEAN (Mongo, Node) or Django stack.
• Collaborate with the design team on feasibility and design reviews.
• Set up DevOps processes - CI/CD and release management.
• Hire an additional backend engineer to scale the application based on requirements.

Requirements:

• You possess strong computer science fundamentals.
• You have native Android application development skills - with Java/Kotlin as a framework.
• You have strong knowledge of Android UI design principles, patterns, and best practices.
• You have built backends for mobile applications - using the MEAN or Django stack.
• You have some mobile app projects that are worthy of public view (Play Store, Github).
• You like discussing a plan upfront, welcome open collaboration and are an excellent verbal and written communicator.
• We’re a fast-paced environment so while we value robustness, we also hope for speed. You’ll hop from project to project and should be a self-starter.
• You are open to learning new stuff (important).
• You are humble, kind, and are open to feedback (important)

• Design and build application for iOS platforms
• Writing well designed, testable, efficient code by using the best software development practices
• Responsible for working on iOS frameworks, Xcode, Swift, Rxswift, Xcode SDK Platform tools
• Responsible to work on bug fixing and improving application performance
• Create and maintain software documentation
• Stay plugged into emerging technologies/industry trends and apply them into operations and activities