iOS Developer - Objective C/SWIFT

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.

Minimum 2 years of working experience.

Can work on live projects of international clients.

Can handle multiple projects

Error-free coding.

Required Experience, Skills and Qualifications

Objective-C, or increasingly, the Swift 3.0 programming language

Apples Xcode IDE

Frameworks and APIs like Foundation, UIKit, and CocoaTouch

UI and UX design experience

Apple Human Interface Guidelines

2D and 3D graphics frameworks like SpriteKit and SceneKit

OpenGL or Metal, iOS graphics APIs

Familiarity with iOS 10 and newer OS versions

A Git code repository technology

Strong Objective-C skills and inside-and-out knowledge of the iOS SDK.

Experience using and creating scalable web-based Restful APIs.

Skills:

• Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
• Kotlin, Java
• Important libraries include Dagger, RxJava, Realm
• MVVM Clean Architecture
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Strong knowledge of Android UI design principles, patterns, and best practices
• Experience with offline storage, threading, and performance tuning
• 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
• Familiarity with cloud message APIs and push notifications
• A knack for benchmarking and optimization
• Understanding of Google’s Android design principles and interface guidelines
• Proficient understanding of code versioning tools, such as Git

Designing and developing advanced applications for the Android platform

Unit-testing code for robustness, including edge cases, usability, and general reliability

Bug fixing and improving application performance

Job Description: Angular Developer

We are looking for an Angular Developer responsible for the client side of our service. Your primary focus will be to implement a complete user interface in the form of a mobile and desktop web app, with a focus on performance. Your main duties will include creating modules and components and coupling them together into a functional app. The artistic design will be delivered to you, together with a few HTML templates, but we will ask for your help in regard to animations, CSS, and final HTML output. You will work in a team with the back-end developer, and communicate with the API using standard methods. A thorough understanding of all of the components of our platform and infrastructure is required.

Responsibilities

· Delivering a complete front end application

· Ensuring high performance on mobile and desktop

· Writing tested, idiomatic, and documented JavaScript, HTML and CSS

· Coordinating the workflow between the graphic designer, the HTML coder, and yourself

· Cooperating with the back-end developer in the process of building the RESTful API

· Communicating with external web services

Experience Required: Minimum 2 – 4 years.

Skills and Qualifications:

· Proficiency with JavaScript , HTML5, Core Java and Angular (6 and above)

· Professional, precise communication skills

· Deep knowledge of Angular practices and commonly used modules based on extensive work experience

· Creating self-contained, reusable, and testable modules and components

· Ensuring a clear dependency chain, in regard to the app logic as well as the file system

· Ability to provide SEO solutions for single page apps

· Extensive knowledge of CSS and JS methods for providing performant visual effects and keeping the framerate above 30fps at all times

· Thorough understanding of the responsibilities of the platform, database, API, caching layer, proxies, and other web services used in the system

· Validating user actions on the client side and providing responsive feedback

· Writing non-blocking code, and resorting to advanced techniques such as multi-threading, when needed

· Creating custom, general use modules and components which extend the elements and modules of core Angular

· Experience with all levels of operation available to the front-end, such as from creating XHRs in vanilla JS to using a custom wrapper around $resource

· Experience with building the infrastructure for serving the front-end app and assets

· Architecting and automating the build process for production, using task runners or scripts

· Documenting the code inline using JSDoc or other conventions

· Writing extensive unit tests using automated TDD tasks

· Creating e2e test suites for all components, and running them with Protractor (or a well-reasoned alternative)

· Creating configuration, build, and test scripts for Continuous Integration environmen

- 2+ years of hands-on programming experience in building native iOS apps, with deep focus on usability, performance, Core Data and integration with REST APIs & services.

- Built real world apps that are published on the app store.

- Experience in OO design, design patterns & fluency in Objective-C programming (exposure to Swift or React Native would be a plus)

- Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text

- Experience with third-party libraries and APIs, consuming REST Web Services

- Unit/Integration tests

- Experience with third-party libraries and APIs

- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies

- Solid understanding of the full mobile development life cycle

- Strong knowledge of data structures, algorithms, and designing for performance UI development with Interface Builder and Code, including Auto Layout