About Us Quantum HR is a premier human resources consulting firm dedicated to connecting exceptional talent with leading organizations worldwide. We specialize in providing bespoke recruitment solutions, leveraging deep industry insights and a global network to help companies build high-performing teams by matching them with professionals who truly fit their needs and culture. About the Role We’re hiring a Senior iOS Engineer to lead the development of secure, high-performance iOS applications and SDKs powering digital identity, e-KYC, and e-contract solutions. You’ll own architecture, delivery, and optimization of mission-critical products used by banks and enterprise clients in a regulated environment. Key Responsibilities Design, build, and maintain scalable iOS apps and SDKs using Swift, SwiftUI, and UIKit Architect secure, modular mobile components for enterprise integrations Implement advanced features (biometric verification, OCR, liveness detection, OTP flows) Ensure top-tier performance, reliability, and low-latency execution Apply security best practices (encryption, Keychain, Secure Enclave) and ensure regulatory compliance Develop reusable SDKs with clear documentation and backward compatibility Write unit, UI, and integration tests; debug complex mobile and device-level issues Collaborate cross-functionally (Backend, AI/ML, DevOps, Product) and mentor engineers Work on high-impact, security-first products used by leading enterprises Ownership of critical architecture and product decisions Collaborative, high-caliber engineering environment Exposure to cutting-edge technologies in digital identity & biometrics Clear growth path with leadership and mentoring opportunities 5+ years of iOS development experience (SDK development preferred) Strong expertise in Swift, SwiftUI, UIKit Experience with async programming (Combine or async/await) Solid experience integrating RESTful APIs Strong understanding of mobile security, encryption, and authentication Experience with camera handling (AVFoundation) Proven ability to build scalable, production-grade applications Nice to Have Experience in fintech, regtech, or identity verification Knowledge of PKI, digital signatures, and secure document workflows Familiarity with Core ML, Vision framework, or OCR/face recognition models Experience with CI/CD tools (Fastlane, GitHub Actions) Exposure to SDK or white-label product development