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.

Key Competencies:

• 2+ years of experience in React-Native based app development is a must.
• Must have published at least 1 major React-Native app
• 2+ years of experience in building consumer facing Mobile Applications in React or

React Native (Layouts, animations, etc.)

• Strong UX/UI design exposure and experience in making apps work intuitively and with pixel perfect interfaces.
• Good understanding of Design and Architecture Patterns
• Strong focus on app performance
• Sound knowledge of any type of mobile app development Native(android) or Hybrid.
• Good Experience of working in React Native and its supporting architectures.
• Proficient in JavaScript, CSS, HTML5
• Strong working experience with third-party dependencies and debugging dependency conflicts.
• Ability to quickly learn React Native with Redux.
• Ability to write clean code.
• Familiarity with version control management system (e.g. git)
• Knowledge of Scrum development and DevOps

• Good time management, interpersonal and communication skills, team player.

Roles/Responsibilities: 

• Work on React Native on the front end to develop Android/iOS Apps.
• Write JavaScript code in React native for the app logic. Write business logic using Reducers, Actions and Redux framework.
• Create Android/iOS specific UI for Mobile apps.
• Integrate with Native plugins or custom written plugins for specific platforms.
• Write Modular, organized and robust code.
• Write Unit tests for your code.

Must Good to Have Details :

- Must have at least 1 year of experience on React Native along with architecture experience in Mobile Applications.

- Have strong knowledge of App UI design principles, patterns, and best practices

- Familiarity with native build tools, like XCode, Gradle, Android Studio IntelliJ, VsCode

- In-Depth Knowledge of React, React Native, TypeScript or JavaScript Redux, Hooks, ECMAScript (ES6, ES7 etc.), Node, NPM and iOS & Android Build systems

Must have :

- Understanding of REST APIs, the document request model, and offline storage and must have on React Native chart Library

- Working knowledge on Sending Notifications with APNs & FCM

- Experience working with Backend Web Services (like REST etc), Fetch API, and Axios and knowledge of Databases (Relational, Distributed etc.)

- Experience in integrating libraries like React Navigation, React Native, Firebase, Social Logins (Facebook, Google, Apple etc.), Push Notifications etc.

- Responsive layouts in both platforms in reactive native using Media Query & Flexbox

- Sound knowledge of Design Patterns like Creational, Structural, and Behavioral

Good to have :

- Working experience on third-party dependencies and debugging - dependency conflicts

- Must be able to integrate native code in react-native and expo Modules

- Able to generate builds for both IOS(.IPA) and Android (APK) Platforms and experience in hosting apps on respective Stores(AppStore, PlayStore).

- Professional Communication (written, verbal presenting)

- Open to learn and adapt to new technologies

- Go-getter, Result oriented Creative & Innovative approach

- Excellent Communication Skills

About Plum

We are making health insurance - simple, accessible and affordable. Hundreds of businesses of all sizes from startups to large corporates trust Plum for their employee's health protection.

Healthcare in India is seeing a phenomenal shift. Healthcare cost is seeing an inflation that is three times the general inflation. Treatments of diseases including Covid-19 can wipe out entire household savings. Majority of Indians won't be able to afford a health insurance on their own. As many as 600mn Indians would depend on employer-sponsored insurance.

Enter Plum. Plum is re-imagining the health insurance stack, and accelerating the penetration of health insurance in India to 100%. Plum has forged new underwriting and fraud detection algorithms to enable companies as small as 2 to benefit from a group insurance. The platform enables realtime insurance design & pricing to enable companies to buy insurance in 3-clicks. And offers employees a hassle-free claims experience through an integrated digital process.

Plum is backed by leading global investors including Tiger Global, Sequoia Capital, Tanglin Ventures and Incubate Fund (read more https://www.plumhq.com/blog/plum-series-a-funding">here)

• Design, build, and maintain high performance, reusable, and reliable Java code. 
• Translate designs and wireframes into high quality components and modular code, ensuring the best possible performance, quality, and responsiveness of the application
• Strong advocate of Google’s Android design principles and interface guidelines
• Strong sense of ownership and integrity demonstrated through clear communication and collaboration.Having experience with building and maintaining an open source project or design library is a plus.

• 3 + years of experience of Android SDK, different versions of Android, and how to deal with different screen sizes. 
• Experience with local databases, offline storage, threading, and performance tuningExperience with Kotlin and Jetpack Compose is desirable.
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Familiarity with the use of additional sensors, such as camera, 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

• You have prior experience in Java
• You have a deep understanding of Android SDK, app fundamentals & different development frameworks, integration with backend / API
• Excellent attention to detail and an eye for visuals. Design skills are not required but you should be able to critique and modify existing designs
• You have a deep interest in technology
• You're ready to learn and use new technology

Job Description :

We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and ipads. Your primary focus will be development of iOS 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.

Responsibilities :

• Design and build applications for the iOS platform
• Ensure the performance, quality, and responsiveness of applications
• Collaborate with a team to define, design, and ship new features
• Identify and correct bottlenecks and fix bugs
• Help maintain code quality, organization, and stigmatization.

Skills :

• Should have knowledge of UI(storyboard,xibs,autolayouts).
• API implementation.
• Swift programming language.

The iOS Developer is responsible for the development and maintenance of native mobile code on the iOS operating systems. This person utilizes their knowledge of mobile development and hardware capabilities as an integral part of the software development team. 

The role requires an energetic and self-motivated individual with excellent communication, organization, and technical skills to work cross functionally.

Responsibilities:

• Create compelling device specific user interface and experiences
• Build Prototypes
• Optimize performance
• Keep up to date on the latest industry trends in mobile technologies
• Collaborate with development team and product owners to analyze, design, and implement user stories using an agile methodology 
• Write high-quality code that complies with design specifications and meets development and support requirements. 
• Develop unit tests and test changes using an agile methodology. 
• Use a variety of tools to perform unit testing, automated builds, and source control. 
• Participate as a member in Agile teams, and work with other team member to review user stories, estimate effort for user stories, and participate in sprint reviews.

Required Skills:

• 5+ years experience in Objective-C, Swift and Cocoa development 
• Experience publishing applications to the App Store
• Experience with RESTful API to connect iOS applications to backend services
• Experience with Test Driven Development (TDD)
• Experience with Source Control like Git
• Understanding of Apple's design principles and interface guidelines
• Ability to understand and write SQL code
• Experience with Apple Pay is a huge plus
• Familiarity with continuous integration
• Ability to work in a fast-paced, high-effort, dynamic work environment
• Fast learner of new and emerging technologies
• Development experience with highly trafficked apps
• Excellent verbal, written, and interpersonal communication skills
• Undergraduate degree in the field of computer science or equivalent
• Able to handle multiple tasks in a fast paced environment

• Candidate Must be well versed with latest SDK versions, XCode, Objective C, Swift, UIKit, Cocoa etc.
• Expertise in integrating web services (XML/ JSon etc.) with iPhone applications.
• An experience in using Maps API, GPS services for iPhone/ iOS apps is required.
• Experience with third-party libraries and APIs.
• Working knowledge of the general mobile orientation, architectures, trends, and emerging technologies.
• Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text, Core Location.
• To take care of build and release process (Adhoc releases, Final release).
• Should have worked on cocoa touch, story board, core data, auto layout.
• Hands-on experience in Cloud APIs, push notifications, social media integration, and integration of analytics is an added advantage.
• Must have good analytical, debugging, App publishing and problem solving skills.
• Self-starter having the ability to independently acquire the knowledge required in succeeding his job.