Senior Mobile Engineer (IOS Native Developer)

CrossAsyst; Navi Mumbai; On-site; INR 2,800,000 - 4,200,000; Full time

Job summary

CrossAsyst in Navi Mumbai seeks a Senior iOS Engineer to lead the design and development of high‑performance native applications from office location in Airoli, Navi Mumbai.

You will mentor engineers, drive architecture and code quality, optimize performance, ensure security, and coordinate with backend and design teams to deliver scalable iOS solutions. Requires 8+ years of hands‑on iOS experience and strong Swift/SwiftUI expertise.

Qualifications

• 8+ years of iOS development experience.
• Proficiency in Swift and Objective-C.
• Experience with SwiftUI, UIKit, and Xcode.
• Experience with RESTful APIs, JSON, Git, and CI/CD pipelines.
• Experience with Firebase Analytics/Crashlytics/Push Notifications.
• Strong security awareness and track record shipping apps.

Responsibilities

• Lead design, coding, testing, and deployment of iOS applications, integrating with backend services and APIs.
• Collaborate with UI/UX designers to deliver intuitive, modern interfaces.
• Optimize app performance for speed, battery efficiency, and memory management.
• Drive App Store submissions, release management, and ongoing updates to existing apps.
• Mentor junior engineers and establish best practices in mobile development.
• Implement offline-first features, push notifications, and background tasks.
• Ensure application security, data protection, and compliance with industry standards.
• Work closely with cross-functional teams to deliver scalable and maintainable solutions.

Skills

Swift

Objective-C

SwiftUI

UIKit

Xcode

RESTful APIs

Git

CI/CD

Firebase

Leadership

Tools

Xcode IDE

Firebase SDK

Core Data

Realm

Job description

Role: Senior Mobile Engineer (iOS Native Developer)

Experience: 8+ years of hands-on iOS native development

Location: Airoli, Navi Mumbai (Work from Office)

About the Role

We are seeking an experienced Senior iOS Engineer to lead the design and development of high-performance native applications. The ideal candidate will have deep expertise in building scalable, secure, and user-friendly iOS apps, with strong leadership in guiding teams, optimizing performance, and ensuring best practices across the mobile lifecycle.

Key Responsibilities

• Lead the design, coding, testing, and deployment of iOS applications, integrating with backend services and APIs.
• Collaborate with UI/UX designers to deliver intuitive, modern, and responsive interfaces.
• Optimize app performance for speed, battery efficiency, and memory management.
• Drive App Store submissions, release management, and ongoing updates to existing apps.
• Mentor junior engineers and establish best practices in mobile development.
• Implement offline-first features, push notifications, and background tasks.
• Ensure application security, data protection, and compliance with industry standards.
• Work closely with cross-functional teams to deliver scalable and maintainable solutions.

Required Skills & Qualifications

• 8+ years of professional experience in iOS development.
• Proficiency in Swift (primary) and Objective-C.
• Strong expertise with SwiftUI, UIKit, and Xcode.
• Experience with Core Data/Realm, RESTful APIs, JSON, Git, and CI/CD pipelines.
• Hands-on experience with third-party SDKs such as Firebase (Analytics, Crashlytics, Push Notifications).
• Advanced problem-solving skills for edge cases, concurrency, and iOS lifecycle management.
• Deep understanding of security issues, encryption, and best practices to prevent vulnerabilities.
• Proven track record of shipping and maintaining apps on the App Store.
• Strong communication and leadership skills to guide teams and collaborate with stakeholders.