Xamarin

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 DETAILS:

Job Role: Android Developer

Experience: 6-8 years

Location: India (remote)

JOB DESCRIPTION:

1.            Handson exp in Kotlin and Android studio

2.            Good understanding of Core Java

3.            Experience in JSON parsing

4.            Experience in REST API

5.            Experience in Junit test cases

6.            Well versed in Latest Android API version.

7.            Experience in publishing apps to the App Store.

8.            Social Networking site integration

9.            Code version tool – Git and JIRA

10.          Architecture understanding - MVVM, MVP

11.          Strong analytical and debugging skills/ Unit test coverage

12.          Ability to do design and high level architecture

• Design and Build Advanced Applications for the Android Platform
• Collaborate with Cross-Functional Teams to Define, Design and Ship New Features
• Troubleshoot and Fix Bugs in New and Existing Applications
• Continuously Discover, Evaluate and Implement New Development Tools
• Work With Outside Data Sources and APIs
• Knowledge of Android SDK, Java programming, Kotlin, Jetpack Compose, Realm
• Version Control, Clean Architecture

Key Responsibilities:

• Conceptualizing and formulating apps that are suitable for use on all types of Android devices.
• Implementing measures to safeguard users' data.
• Ensuring that the construction and presentation of your apps are congruent with the company's standards.
• Proofreading your code and correcting mistakes before each app is released.
• Collaborating with UI and UX Designers, as well as Software Testers, to ensure that each app is presentable and in perfect working order.
• Liaising with the marketing department to ensure consistency in our company's 'voice' across the board.
• Monitoring app reviews to detect areas for improvement.
• Creating app updates, including bug fixes and additional features, for release.

Key Competencies (Functional):

• Proficiency in Java, Kotlin, or C++.
• Ability to use the Android Studio, including the Android SDK, with ease.
• Proficient in code versioning tools including Mercurial, Git, and SVN.
• Knowledge of C-based libraries.
• Familiarity with push notifications, APIs, and cloud messaging.
• Experience with continuous integration.

Full Stack Engineer ( React Native)

Experience: 1- 5 Years

Work Location: Hyderabad

Skillset: React Native, Node JS, React, MongoDB & AWS

If you have it in you to build dynamic web architecture, APIs and databases in a stimulating, fast-paced environment, then please give us a shout out. You will be a part of an extremely passionate team at Goldstone that is researching and creating smart solutions based on next-gen cognitive technologies.

You will get a chance to work on exciting projects at our state-of-the-art office, grow along with the company and be fruitfully rewarded for your efforts!

Requirements:

• Minimum 1 years of experience in React Native.

• Integration of Rest APIs in react native.

• Firm grasp of the JavaScript and Typescript language and its nuances, including ES6+ syntax

• Knowledge of functional and object-oriented programming

• Ability to write well-documented, clean JavaScript code

• Rock solid at working with third-party dependencies and debugging dependency conflicts

• Familiarity with native build tools, like XCode, Gradle, Android studio and IntelliJ

• Proficient understanding of releasing and monitoring apps on IOS App store, Play store.

• Should be able to communicate to backend developers on API building and modifications needed.

• Testing and releasing builds Experience in application testing software’s Appium is preferable.

• Understanding of REST APIs, the document request model, and offline storage

• Experience with automated testing suites, like Jest or Mocha

• Experience with handling production mobile apps.

• Experience with performance testing and optimization.

Responsibilities:

You’ll

• 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.

• Build pixel-perfect, buttery smooth UIs across both mobile platforms.

• Leverage native APIs for deep integrations with both platforms.

• Diagnose and fix bugs and performance bottlenecks for performance that feels native.

• Reach out to the open-source community to encourage and help implement mission-critical software fixes—React Native moves fast and often breaks things.

• Maintain code and write automated tests to ensure the product is of the highest quality.

• Transition existing React web apps to React Native.

Responsibilities:

• Writing clean and efficient codes for Android applications
• Identifying and resolving bottlenecks, rectifying bugs and enhancing application performance.
• Collaborating with cross-functional teams to define and design new feature.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Ability to brainstorm and come up with solutions to open ended problems.
• Ability to take ownership and drive initiatives end to end.
• Desire to learn and dive deep into new technologies on the job.
• Solid understanding of CS fundamentals-Operating Systems, Databases and Data Structure.

Knowledge and Skills:

• Prior experience as an Android Developer using Java, Kotlin, Android SDK, Android NDK
• Proficient understanding of code versioning tools such as Git
• Familiarity with RESTful APIs to effectively integrate Android applications
• Solid understanding of the full mobile development life cycle.
• Passion for products and aspiration to make a big impact.
• Solid engineering principles and clear understanding of data structures and algorithms.
• Expertise in implementation of custom UI components along with fabulous animations and  write/understand Rest APIs
• Experience working with Google Maps, Social APIs, Geo-locations, Media permissions, SMS fetch, etc.
• Experience in memory management and in designing high- performance apps

• Should have 5+ hardcore experience in Android Mobile App development
• Proficient in Kotlin, Android SDK with Location tracking, Route map, Google Map/ Voice API Integration, Regional language support etc.
• Understanding of design patterns and mobile architecture using frameworks such as MVVM / MVC / MVP.
• Familiarity with RESTful APIs and integration and code versioning tools such as Git.
• Problem solver with good analytical skills.
• Passion to work in dynamic, start-up environment.
• Compensation best in the industry

Job Description Responsibilities:

• Design and build mobile applications using React Native

• Build native component for iOS (Native experience would be plus) or Android

• Collaborate closely with the Team lead to understanding the requirement and implementation details.

• integration with third-party APIs.

Required Skills:

• 2yrs experience in React-Native based app development is a must.

• Must have published at least 1 major React-Native app

• Knows how to embed React-Native in a native(iOS/Android) component and vice versa

• Strong focus on app performance.