Consultant - IOS Developer

Job Title : Senior iOS Developer (Native) — Contract

Experience - 5+ years

No. of positions : Offshore - 1

Work Schedule: Contract for 4 to 6 months. Can convert to Full time based on performance

Work Mode: Onsite | Shift Timing: 3:00 PM – 12:00 AM [Flexible]

Job Summary

We are looking for an experienced Senior Native iOS Developer to design, develop, and maintain high-quality iOS applications. The ideal candidate should have strong hands‑on experience with Swift, iOS SDK, UIKit/SwiftUI, application architecture, REST APIs, CleverTap integrations, Scan & Go functionality, product variant implementation, performance optimization, testing, and App Store deployment .

The candidate will work closely with product managers, designers, backend engineers, QA, and other developers to build scalable, secure, high-performance, and user-friendly mobile applications.

Key Responsibilities

• Design, develop, test, and maintain native iOS applications using Swift .
• Build scalable, maintainable, and high-performance mobile applications.
• Translate business and product requirements into technical solutions.
• Participate in application architecture and technical design discussions.
• Develop reusable UI components and frameworks.
• Integrate REST APIs and third‑party services.
• Implement and maintain CleverTap SDK integration for customer engagement, analytics, and marketing use cases.
• Implement Scan & Go / Scan-and-Pay functionality for retail and commerce applications.
• Develop barcode/QR code scanning capabilities using native iOS frameworks and/or third‑party scanning SDKs.
• Implement product and product variant management within the mobile application.
• Integrate product catalog APIs to retrieve and display product variants such as size, color, style, pack size, flavor, configuration, or other variant attributes .
• Implement product variant selection and validation based on availability, inventory, pricing, promotions, and business rules .
• Ensure the selected product variant is correctly represented throughout the product detail, cart, checkout, payment, and order flows.
• Handle variant‑specific SKU/item IDs, pricing, inventory, images, attributes, and promotional information .
• Implement product variant selection, switching, quantity updates, and cart synchronization.
• Ensure accurate product and variant information when products are added through Scan & Go .
• Handle cases where a scanned product maps to multiple variants or requires additional variant selection.
• Integrate Scan & Go flows with product catalog, pricing, promotions, inventory, shopping cart/basket, checkout, payment, and order services .
• Implement secure checkout and payment flows associated with Scan & Go.
• Track product, product variant, Scan & Go, cart, checkout, and purchase events through CleverTap .
• Optimize product browsing, variant selection, scanning, cart, and checkout experiences for speed and reliability.
• Troubleshoot and resolve complex production and application issues.
• Conduct code reviews and ensure adherence to development standards and best practices.
• Mentor junior and mid‑level developers and provide technical guidance.

Required Technical Skills

Strong hands‑on experience with:

• Swift
• UIKit
• SwiftUI
• Xcode
• Auto Layout
• Programmatic UI and/or Storyboards
• iOS application lifecycle
• Background processing
• Push notifications
• Deep linking
• Local storage and data persistence
• App lifecycle and state management
• Strong understanding of mobile application architecture.
• Experience with MVVM, MVC, Clean Architecture, VIPER , or similar patterns.
• Strong understanding of SOLID principles and design patterns.
• Experience designing modular, scalable, and testable applications.
• Experience with dependency injection and reusable components.

APIs & Integrations

• Strong experience integrating RESTful APIs .
• Experience with JSON parsing and API error handling.
• Understanding of OAuth 2.0 and token‑based authentication.
• Experience integrating third‑party SDKs and services.
• Strong hands‑on experience with CleverTap iOS SDK .
• Experience with barcode/QR code scanning SDKs and integrations.
• Experience integrating commerce APIs for:
• Products
• Product variants
• Categories
• Promotions
• Cart/Basket
• Checkout
• Payments
• Orders