iOS Native & Hybrid Mobile Developer

Payment Gateway Solutions; Maharashtra; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

Payment Gateway Solutions is seeking an experienced iOS Native & Hybrid Mobile Developer in Maharashtra, India. You will design, develop, test, and support production-grade mobile apps using Swift, UIKit, and SwiftUI, while also building cross-platform features with Flutter or similar tech.

The role involves integrating REST APIs, WebSockets, and third-party SDKs, handling secure auth, WebView flows, push notifications, and native-mobile integrations for a seamless payment experience.

Job description

iOS Native & Hybrid Mobile Developer

We are looking for an experienced iOS Native & Hybrid Mobile Developer with strong hands‑on expertise in designing, developing, integrating, and supporting production‑grade mobile applications.

The candidate should have strong knowledge of Swift, iOS SDK, Xcode, UIKit/SwiftUI, along with practical experience in Flutter or other hybrid/cross‑platform technologies. Experience with API integrations, payment applications, WebViews, WebSockets, push notifications, and third‑party SDK integrations is preferred.

Key Responsibilities

• Design, develop, test, and maintain native iOS applications using Swift, UIKit, and SwiftUI.
• Develop and maintain hybrid/cross‑platform applications using Flutter/Dart.
• Integrate REST APIs, JSON‑based services, WebSockets, and third‑party SDKs.
• Implement secure authentication, token management, and application session handling.
• Develop and support WebView‑based flows, including payment pages, redirects, 3DS authentication, and native callbacks.
• Implement communication between WebView/hybrid components and native iOS functionality.
• Handle application lifecycle events, background/foreground transitions, network connectivity, and WebSocket reconnections.
• Implement APNs/FCM push notifications, deep links, and Universal Links.
• Integrate native capabilities such as camera, biometrics, file upload, and secure storage.
• Troubleshoot application crashes, memory leaks, API failures, WebView issues, UI issues, and production defects.
• Optimize application performance, stability, security, and user experience.
• Manage certificates, provisioning profiles, TestFlight builds, and App Store releases.
• Participate in code reviews, technical discussions, estimation, testing, releases, and production support.
• Collaborate with backend developers, Android developers, QA engineers, UI/UX designers, and product teams.

Technical Skills

• Swift
• iOS SDK
• Xcode
• UIKit / SwiftUI
• Auto Layout
• MVC / MVVM architecture
• ARC and memory management
• Delegates and Protocols
• Closures and Generics
• Grand Central Dispatch (GCD)
• Swift Concurrency (async/await)
• URLSession and Codable
• Keychain / UserDefaults
• WKWebView
• WebSockets
• APNs
• Universal Links / Deep Links

Hybrid / Cross‑Platform

• Flutter / Dart
• Platform Channels
• Native iOS integration
• Custom plugin integration/development
• WebView integration
• JavaScript‑to‑native communication
• Third‑party SDK integration

API & Integration

• RESTful APIs
• JSON
• HTTP/HTTPS
• Authentication and authorization
• OAuth/token‑based authentication
• SSL/TLS
• WebSockets
• Push notifications
• Payment gateway integrations
• Third‑party SDK integrations

Tools & Technologies

• Git / GitLab / GitHub
• CocoaPods
• Swift Package Manager
• Postman
• Firebase
• TestFlight
• App Store Connect
• CI/CD tools

Preferred Experience

• FinTech, banking, digital wallet, payment gateway, or e‑commerce applications.
• Payment gateway and payment SDK integrations.
• 3DS authentication and payment callback handling.
• KYC/identity‑verification SDK integrations.
• Real‑time communication and transaction updates using WebSockets.
• Mobile application security and secure API communication.
• Application performance optimization and production troubleshooting.

Key Competencies

• Strong problem‑solving and debugging skills.
• Good understanding of mobile architecture and design patterns.
• Ability to troubleshoot complex production issues.
• Understanding of mobile application security best practices.
• Ability to work independently and collaboratively.
• Good communication and technical documentation skills.
• Experience working across the complete mobile application lifecycle, from development through production release and support.