Senior IOS Developer

Avisoft; Mumbai; On-site; INR 1,800,000 - 2,800,000; Full time

Job summary

Avisoft is seeking a Senior iOS Developer to join our mobile engineering team in Mumbai. You will design, develop, and maintain high-quality iOS applications using Swift, UIKit, and SwiftUI, collaborating with product, design, QA, and backend teams.

You will own architecture with MVVM/Clean Architecture, implement modern Swift features, optimize performance, and participate in code reviews and CI/CD. 4+ years of iOS experience is required.

Qualifications

• 4+ years of professional iOS development experience.
• Strong proficiency in Swift and iOS SDK.
• Experience with MVVM, Clean Architecture or similar patterns.
• Familiarity with REST APIs, JSON, URLSession and networking.
• Experience with App Store Connect, provisioning, certificates and releases.
• Good knowledge of memory management and performance optimization.
• Experience with unit/UI tests and CI/CD processes.

Responsibilities

• Design, develop, and maintain scalable iOS applications in Swift.
• Build clean, reusable code following best practices.
• Implement architecture patterns (MVVM, Clean, MVC, VIPER).
• Work with Swift concurrency (async/await) and modern tech.
• Develop UI with UIKit and SwiftUI and ensure performance.
• Integrate REST APIs, SDKs, and backend services.
• Write unit/UI tests and maintain test coverage.
• Mentor junior developers and participate in code reviews.
• Collaborate with product, design, QA, and backend teams.
• Contribute to CI/CD, App Store releases, and production deployment.

Skills

Swift

iOS Development

MVVM / Clean Architecture

Memory management

REST APIs

Code reviews

GCD / Concurrency

UIKit / SwiftUI

Git

Tools

Xcode

Swift Package Manager

CocoaPods

Git

LLDB / Instruments

Job description

Role Overview

We are looking for a highly skilled and experienced Senior iOS Developer to join our mobile engineering team. The ideal candidate will have strong hands-on experience in Swift and iOS application development, with a solid understanding of mobile architecture, performance optimization, and Apples development ecosystem. You will be responsible for designing, developing, testing, and maintaining high-quality iOS applications while collaborating closely with product, design, QA, and backend teams.

Key Responsibilities

• Design, develop, and maintain scalable and high-performance iOS applications using Swift.
• Build clean, reusable, and maintainable code following industry best practices.
• Design and implement application architecture using patterns such as MVVM, MVC, VIPER, or Clean Architecture.
• Work with Swift Concurrency (async/await), GCD, Combine, and other modern iOS technologies.
• Develop responsive and user-friendly interfaces using UIKit and/or SwiftUI.
• Integrate RESTful APIs, third-party SDKs, libraries, and backend services.
• Optimize application performance, memory usage, battery consumption, and network efficiency.
• Write unit tests, UI tests, and ensure high code quality and test coverage.
• Participate in code reviews, technical discussions, and architectural decisions.
• Troubleshoot and resolve complex technical issues, crashes, and production defects.
• Collaborate with cross-functional teams to understand requirements and deliver features on time.
• Mentor junior and mid-level developers and contribute to engineering best practices.
• Stay updated with the latest iOS, Swift, Xcode, and Apple platform technologies.
• Contribute to CI/CD, App Store releases, and production deployment processes.

Required Skills

• 4+ years of professional experience in iOS application development.
• Strong proficiency in Swift.
• Strong understanding of iOS SDK, UIKit, SwiftUI, and Foundation frameworks.
• Experience with modern Swift features including async/await, actors, structured concurrency, and generics.
• Good understanding of MVVM / Clean Architecture / other scalable architecture patterns.
• Strong knowledge of memory management, ARC, multithreading, concurrency, and performance optimization.
• Experience working with REST APIs, JSON, URLSession, and networking frameworks.
• Experience with Git and collaborative development workflows.
• Strong debugging and problem-solving skills using Xcode Instruments, LLDB, and debugging tools.
• Experience writing unit and UI tests using XCTest/XCUITest.
• Familiarity with dependency management tools such as Swift Package Manager and CocoaPods.
• Experience with App Store Connect, provisioning, certificates, and iOS release processes.
• Strong understanding of Apple's Human Interface Guidelines and mobile UX principles.