Android Developer - Kotlin

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.

• Deep tech skills in flutter
• Good programming knowledge of DART
• Knowledge of REST API and JSON
• Self start and dynamic 

We are looking for an experienced IOS developer with a track record of developing Mobile applications, user-friendly and high-performing applications.

Experience:
2-3 years of experience in iOS Development

Job Location:
Lucknow

Skills Required:
Programming Languages: Swift ,Objective C, Cocoa, XML, JSON
Operating Systems/Development Platforms: MAC, iOS all versions

Roles and Responsibilities :

• Experience in various aspects of the Agile SDLC including application development
  (application structure, operating system APIs, debugging, performance, security) and
  deployment.
• Experience with rest APIs, offline storage, and threading.
• Strong experience in memory management, performance tuning, and resource
  optimizations.
• Experience in working with Test-driven development (TDD).
• Experience in Unit Testing and UI testing.
• Programming iOS native mobile applications from specifications.
• Scope, analyze, design, test, debug and implement complex iOS mobile applications.
• Cutting-edge native mobile application prototyping and development on iPhone/iPad.

Desired Candidate Profile

• 2+ years of experience in mobile application design and development.
• 2+ years of experience with iPhone development platforms experience developing native ios apps: swift, ios SDK, and Xcode.
• Experience integrating with third-party libraries, Restful API, and JSON.
• Deep familiarity with objective-c and cocoa touch experience working with ios frameworks such as core data, core animation, core graphics, and core text working knowledge of the general mobile landscape, architectures, trends, and emerging technologies experience integrating with WebSocket,  VOIP, call kit.
• Must be self-motivated, possess strong communication skills, and be able to work in a team-oriented environment

We are looking for a Flutter Developer responsible for creating multi-platform apps for iOS and Android using Google's Flutter development framework. The primary focus will be on creating new experiences and maintaining existing apps. Deep experience contributing to and managing high-scale production mobile apps. You must have strong previous experience in Flutter and Dart development.

Requirements :

• Good exposure to integration projects.

• Hands-on experience and expertise in Building interfaces with Android SDK, Android Studio and development.

• Rest Api knowledge.

• Expertise in Android Flutter.

• Passion for best design and coding practices and a desire to develop new creative ideas.

• Skills required teamwork, leadership, and self-motivated.

• Adaptive to learn any technology.

Responsibilities :

• Design and Build sophisticated and highly salable apps using Flutter.

• 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.

What will you do? (but not limited to)

• Design, develop, and maintain our mobile applications using either Flutter or React Native, ensuring high performance and responsiveness across both Android and iOS platforms.
• Collaborate closely with the product and development teams to design and develop innovative features that align with our mission and user needs.
• Write clean, maintainable, and efficient code that adheres to industry best practices, and conduct code reviews to uphold high-quality code.
• Troubleshoot, debug, and upgrade the software to ensure optimal performance, security, quality, and responsiveness of applications.
• Lead and mentor junior developers, fostering a culture of continuous learning, innovation, and improvement.
• Drive architectural decisions and lead efforts to scale and improve our codebases.
• Work closely with stakeholders to understand and address their needs, translating business requirements into technical solutions.

Who can apply?

• Minimum 3 years of experience as a Mobile Application Developer with a proven track record in developing and deploying mobile applications for both Android and iOS platforms.
• Proficiency in React Native, with a deep understanding of cross-platform mobile development and app architecture.
• Strong knowledge of JavaScript (for React Native), and familiarity with native build tools, like XCode, Gradle, Android Studio, IntelliJ, and other IDEs.
• Strong problem-solving skills, with an ability to think algorithmically and a keen eye for debugging and optimizing code.
• Experience with app development languages such as Swift, Kotlin, or Objective-C and with utilizing RESTful APIs for backend integration.
• Proficient understanding and utilizing code versioning tools, such as Bitbucket.
• Experience in a startup environment and building products from scratch is highly preferred.
• Excellent communication skills, with the ability to lead and inspire a team.
• Strong project management skills, with experience in agile methodologies.
• Demonstrated ability to make sound decisions based on a balance of data, experience, and judgment.

Roles and Responsibilities for Android Developer(2-4yrs)

• Creating Android Apps using native technologies set Java, Kotlin, Android studio.
• Developing, releasing, and maintaining Android Applications and also coordinate and participate in the backend coding, API development, and testing.
• Ability to participate in the design process also, be able to understand user experience and work with design team accordingly.
• Good understanding of the latest Android features and libraries such as Retrofit, Volley, SQLite, RxJava.
• Good understanding of designing architecture such as MVC, MVP, MVVM.
• Familiarity with RESTful APIs, SDK integration, Firebase, and Analytics platforms.
• Good Knowledge in OO design, JAVA, Kotlin, RESTful APIs, JSON, Android SDK, Eclipse and Android Studio and also AWS.
• Knowledge of SQLite, Graph & Chart API and other Google APIs and UI & UX designing.
• Optimizing performance for the apps and keep up to date on the latest industry trends in the mobile technologies.
• Good grasp of algorithms, design patterns, memory management, and multithreaded programming.
• An experience with other technologies like iOS development, swift, react native, php, APi development, DB programming can be a big plus.
• Experience in dealing with Google play store communication, app rejection, iTunes Apple store.

Desired Candidate Profile

• Must have at least 3 years of experience in native android development.
• Must be graduate with computer science subjects or MCA.
• Must be good in both written and verbal English.
• Must have research skills, ability to troubleshoot and work on exceptions is top priority.