About NPCI

The National Payments Corporation of India (NPCI) is a pivotal institution in India's digital payments ecosystem, established by the Reserve Bank of India (RBI) and the Indian Banks’ Association (IBA). It operates under the Payment and Settlement Systems Act, 2007, and is incorporated as a “Not for Profit” company under Section 25 of the Companies Act 1956 (now Section 8 of the Companies Act 2013). NPCI is dedicated to building world-class digital payment infrastructure through innovative and efficient retail payment platforms. As an Equal Opportunity Employer, NPCI is committed to fostering an inclusive workplace culture, with zero tolerance for discrimination based on race, ethnicity, disability, gender identity, or sexual orientation, including support for the LGBTQ+ community.

The NPCI WAY – Our Guiding Principles

At NPCI, we foster a culture of Inclusion, Innovation, and a High-Performance Workplace.

The NPCI WAY is not just a framework—it’s a shared commitment by every individual to align with our evolving business needs, dynamic market conditions, and workforce expectations.

🔷 Five Tenets of the NPCI WAY

1. Forward Thinking Mind-Set
2. Customer First
3. Lead With Purpose
4. Passion to Deliver
5. All Succeed Together

We are seeking a highly skilled iOS Developer with deep expertise in SDK development, cryptography, secure communication, and modern iOS architectures. The ideal candidate will also bring hands-on experience with SwiftUI, alongside UIKit, to build scalable, secure, and high-performance mobile components and SDKs

Job Title: iOS Developer

Division: Research & Development

Years of Experience: 4 to 7 years

Education: BE/BTech/BCA

Full-time

Location: Mumbai

Key Responsibilities:

• Design and develop modular, reusable SDKs that power secure and performant iOS applications.
• Architect solutions using MVVM, Clean Architecture, or VIPER that ensure scalability, testability, and maintainability.
• Implement secure communication channels (e.g., TLS, mutual TLS, SSL pinning) between apps and backend services.
• Build intuitive, dynamic UIs using SwiftUI and Combine, while maintaining legacy support with UIKit when necessary.
• Apply cryptographic techniques such as AES, RSA, HMAC, SHA-256, and ECDSA for data protection and message integrity.
• Utilize Keychain, Secure Enclave, and CryptoKit for secure storage and key management.
• Write robust unit, integration, and snapshot tests with XCTest, Quick/Nimble, or SnapshotTesting.
• Integrate and manage SDKs using Swift Package Manager, CocoaPods, or Carthage.
• Participate in code reviews, architectural discussions, and sprint planning in an agile team.

Key skills and experience required

• 5+ years of professional iOS development experience with Swift and Objective-C.
• Proven track record in building and maintaining iOS SDKs or libraries used across apps or platforms.
• Strong command of SwiftUI, Combine, and interoperability with UIKit.
• Solid experience implementing MVVM, Clean Architecture, or modular iOS architecture patterns.
• Deep understanding of cryptographic principles, secure communication protocols, and mobile security practices.
• Proficiency in Git, Xcode, debugging tools, and Instruments.
• Experience with CI/CD pipelines, fastlane, and automated testing frameworks.
• Familiar with App Store guidelines, App Transport Security, and privacy standards like GDPR.
• Experience with Jailbreak detection, device attestation, or Play Integrity/DeviceCheck APIs.