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.

Job Description: 

We are seeking an experienced React Native Developer with over 4 years of experience to join our dynamic team. The ideal candidate will have a strong background in mobile development, particularly with React Native, and a passion for creating high-quality, scalable applications. You will play a key role in the development and maintenance of our cross-platform mobile applications, ensuring seamless integration with our web solutions and a superior user experience.

Key Responsibilities:

• Mobile Development: Develop, maintain, and optimize React Native applications for both iOS and Android platforms.

• Integration: Work closely with back-end developers to integrate mobile applications with APIs and other services.

• Collaboration: Collaborate with cross-functional teams, including UI/UX designers, product managers, and other developers, to deliver a cohesive product experience.

• Performance Optimization: Ensure the performance, quality, and responsiveness of applications by identifying bottlenecks and implementing solutions.

• Code Reviews: Conduct code reviews and ensure adherence to coding standards, best practices, and company guidelines.

• Testing: Write and maintain unit and integration tests to ensure the reliability and robustness of the application.

• Documentation: Create and maintain technical documentation for code and APIs.

• Stay Updated: Keep up with the latest industry trends and technologies, and continuously improve the development process.

Qualifications:

       •  Education: Bachelor's degree in Computer Science, Software Engineering, or a related field        (or equivalent work experience) 

• Experience: 4+ years of experience in mobile development, with at least 3 years of hands-on experience with React Native.

• Skills: Proficiency in JavaScript and strong experience with React Native, including working with state management libraries (such as Redux or MobX) and navigation libraries.

• Platform Knowledge: Solid understanding of mobile development for both iOS and Android, including platform-specific considerations.

• Performance: Experience with performance optimization techniques for mobile applications.

• Version Control: Familiarity with version control systems (e.g., Git).

• Collaboration: Ability to work effectively in a team environment and communicate technical concepts to non-technical stakeholders.

• Problem-Solving: Strong problem-solving skills and attention to detail.

Preferred Skills:

• TypeScript: Experience with TypeScript for type safety and better code maintainability.

• UI/UX Understanding: Familiarity with UI/UX design principles and ability to collaborate effectively with designers.

• Back-End Knowledge: Basic understanding of back-end technologies and APIs to facilitate seamless integration.

• Testing Frameworks: Experience with testing frameworks such as Jest or Mocha.

• CI/CD: Knowledge of continuous integration and continuous deployment (CI/CD) pipelines.

• App Store Deployment: Experience with deploying applications to the Apple App Store and Google Play Store

We are looking for an Android Developer responsible for the development and maintenance of applications aimed at a range of devices including mobile phones and tablet computers. Your primary focus will be development of applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products is essential

Roles and Responsibilities

² Design and build applications.

² Ensure the performance, quality, and responsiveness of applications

² Collaborate with a team to define, design, and ship new features

² Identify and correct bottlenecks and fix bugs

² To maintain the code quality, organization, and automation

² Work with the development team consisting of architects, UI designers, product managers, testers to deliver high quality mobile product & services

² Develop, test and rollout optimised UIs for diff versions/device

² Translate designs and wireframes into high quality code

² Build for multi device & multi platform scenario i.e mobile website along with mobile app

² Design, build, and maintain high performance, reusable, and reliable Java code

² Ensure the best possible performance, quality and responsiveness of the application

² Adaptability is a key factor to becoming a great Android app developer

² Identify the bugs ,correct bottlenecks and fix bugs

Skills Required:

² Prominent hands on experience in Native Android, Native iOS or Both.

² Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes

² An Android app developer must be well-versed with Java programming language.

² Familiarity with RESTful APIs to connect applications to back-end services

² Strong knowledge on UI design principles, patterns, and best practices

² Having knowledge about offline storage, threading, and performance tuning

² Knowledge of the open-source Android ecosystem and the libraries available for common tasks

² A knack for benchmarking and optimization

² Ability to understand business requirements and translate them into technical requirements

² Understanding of Google’s Android design principles and interface guidelines.

² Proficient with Objective-C or Swift.

² Understanding of Apple’s design principles and interface guidelines

² Knowledge of low-level C-based libraries is preferred

² Familiarity with cloud message APIs and push notifications

² Knack for benchmarking and optimization

² Proficient understanding of code versioning tools (such as Git, Mercurial or SVN)

² Familiarity with continuous integration.

We are seeking a highly skilled and experienced Senior Flutter Consultant to join our team. As a Senior Flutter Consultant, you will play a critical role in developing innovative and user-friendly mobile applications for our clients. You will collaborate with cross-functional teams, including designers, developers, and project managers, to deliver high-quality solutions that meet our clients' business objectives.

Responsibilities:

1. Develop and maintain Flutter applications for iOS and Android platforms.
2. Collaborate with designers and developers to translate wireframes and UI designs into fully functional mobile applications.
3. Provide technical expertise and guidance to the development team regarding best practices for Flutter application development.
4. Write clean, efficient, and maintainable code that adheres to industry standards and project requirements.
5. Conduct code reviews and provide constructive feedback to ensure code quality and performance optimization.
6. Troubleshoot and debug issues, identify bottlenecks, and propose effective solutions to technical challenges.
7. Stay updated with the latest trends and advancements in the Flutter framework and mobile app development.
8. Mentor and coach junior developers, sharing knowledge and promoting a culture of continuous learning and improvement.
9. Collaborate with project managers and clients to understand their requirements, provide technical insights, and deliver solutions within the agreed timelines.
10. Participate in Agile/Scrum development processes, including sprint planning, backlog grooming, and daily stand-ups.

Requirements:

1. Bachelor's degree in Computer Science, Engineering, or a related field.
2. Minimum 3 years of professional experience in mobile application development, with at least 2 years of hands-on experience with Flutter.
3. Strong proficiency in Dart programming language and Flutter framework.
4. Extensive experience in building and deploying mobile applications on both iOS and Android platforms.
5. Solid understanding of software development principles, including object-oriented programming, design patterns, and architectural best practices.
6. Experience with RESTful APIs, third-party integrations, and asynchronous programming.
7. Knowledge of version control systems (e.g., Git) and experience with collaborative development workflows (e.g., GitFlow).
8. Familiarity with mobile app testing frameworks and tools, such as Flutter testing framework, XCTest, and Espresso.
9. Excellent problem-solving and debugging skills, with the ability to analyze complex issues and propose effective solutions.
10. Strong communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams and clients.
11. Experience working in an Agile/Scrum development environment.
12. Proven ability to meet deadlines and deliver high-quality work in a fast-paced, dynamic environment.

Preferred Qualifications:

1. Experience with hybrid app development frameworks (e.g., React Native) is a plus.
2. Knowledge of backend technologies, such as Node.js or Firebase, for building APIs and integrating with databases.
3. Contributions to open-source projects or personal Flutter app projects.
4. Certifications related to mobile app development or Flutter.

Join our team and contribute to the development of cutting-edge mobile applications using Flutter. As a Senior Flutter Consultant, you will have the opportunity to work on diverse projects, leverage your expertise, and make a significant impact on our clients' businesses.

• Architect, build & maintain beautiful, world-class, enterprise-grade mobile apps
• Build for multiple platforms (iOS, Android) using a single code base (ReactNative, Expo
  and CSS)
•  Collaborate with cross-functional teams to design, develop & ship new features
• Build and maintain tools and infrastructure to support the rapid development and testing of mobile apps

• Passionate about developing mobile apps for iOS and Android using JavaScript
• A mindset to do what it takes to not just get the job done but go above and beyond
• Quick learning mindset and a humble attitude
• Strong fundamentals in JavaScript, ES6, React, and CSS
• Good understanding and working knowledge of using REST APIs and handling errors
• Knowledge of functional programming.Understanding of how to build performant, decoupled, testable, maintainable code.
• Experience in writing native code for android and iOS to write bridges whenever required.
• Bonus: Entrepreneurial spirit and the mindset of challenging the status quo is a big plus
• Bonus: Experience with modern testing frameworks (e.g., Jest, react-testing-library).

We are looking for a React Native developer interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.

Requirements 

- You will be working with our engineers to develop and maintain high-quality mobile applications for both platforms as 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 3 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 build 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.

• 3 years of experience in mobile development on React Native
• Experience in design, development, and deployment of mobile apps
• Experience with embedded relational databases (SQLite)
• Knowledge of Restful Web-Services, JSON, HTTP, Networking protocols
• Experience with any Apk and iOS builder with strong skills in JavaScript, React native.
• Experience on JavaScript,HTML,CSS, NPM, Android, iOS,
• Hybrid, Ionic, Angular 2+, Typescript, Webpack, GruntJS, GulpJS.

• 3+ years of relevant experience in react native, javascript, HTML,CSS
• This project requires experience with:
• Well versed in kotlin/swift/react-native/js and react environment.3+ years experienced
• Good knowledge of SDLC.
• Good knowledge of any database SQL/mongo etc.
• Should have a problem-solving attitude.
• Eager to learn new things.
• Should have intellectual skills.
• Working across Cross platforms (Android and IoS)
• Flutter Experience will be added advantage
• Experience in understanding large and complex code bases
• The developer will work with our offices in Bangalore (Currently Remote).

• Own front-end experience activities including UI design, development, testing, and support of complex web and native applications.
• Meeting with the development team to discuss user interface ideas and applications.
• Reviewing application requirements and interface designs.
• Developing and implementing highly responsive user interface components using React concepts.
• Writing application interface codes using JavaScript following React workflows.
• Troubleshooting interface software and debugging application codes.
• Developing and implementing front-end architecture to support user interface concepts.
• Monitoring and improving front-end performance.
• Documenting application changes and developing updates.
• Produce applications that provide measurable business values.

• Previous experience working as a React Developer.
• Solid understanding of website and native application development principles
• An understanding of React Native best practices and a commitment to following them.
• Experienced in using Mobile Views on iOS and Android
• Good understanding of MVC frameworks
• Ability to create and maintain continuous integration and delivery of React.js/React Native applications.
• In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
• Knowledge of React, React Native
• Experience with user interface design.
• Knowledge of how to build and consume APIs and the basics of internet communication protocols and web frameworks
• A knack for writing clean, readable React-Native code
• Experience with browser-based debugging and performance testing software.
• Excellent troubleshooting skills.