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Core iOS Engineer - Payments SDK
Core iOS Engineer - Payments SDK
CAW.Tech's logo

Core iOS Engineer - Payments SDK

Ranjana Singh's profile picture
Posted by Ranjana Singh
2 - 4 yrs
Best in industry
Bengaluru (Bangalore)
Skills
skill iconSwift
skill iconFlutter
iPhone SDK
skill iconReact Native
Apache Cordova
skill iconJava
skill iconKotlin
SDK
Object Oriented Programming (OOPs)
SOLID
skill iconAndroid Development
GCD
Xcode
cicd
SSL
Model-View-View-Model (MVVM)
Payments

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.
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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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About CAW.Tech

Founded :
2017
Type :
Services
Size :
100-1000
Stage :
Bootstrapped

About

CAW Studios is Product Development Studio. WE BUILD TRUE PRODUCT TEAMS for our clients. Each team is a small, well-balanced group of geeks and a product manager that together produce relevant and high-quality products. We use data to make decisions, bringing big data and analysis to software development. We believe the product development process is broken as most studios operate as IT Services. We operate like a software factory that applies manufacturing principles of product development to the software.

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Connect with the team

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Ranjana Singh
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Kartik Bansal
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RaviKiran V
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Krishnaveni B
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Stuti Jain

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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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