Senior iOS Developer • Mumbai

Mintoak Innovations Private Limited; Mumbai; On-site; INR 900,000 - 1,400,000; Full time

Job summary

Mintoak Innovations Private Limited in Mumbai seeks an experienced iOS developer to design, build, and maintain scalable mobile apps using Swift and modern iOS frameworks. You will create modular components following MVVM/Clean Architecture and collaborate across product, backend, QA, and design teams to deliver secure fintech apps.

The role emphasizes integrating RESTful APIs, payment gateways, and banking services, with focus on secure data handling, encryption, and app performance

Qualifications

• 2+ years of professional iOS development experience.
• Strong proficiency in Swift, Xcode, UIKit, SwiftUI, Auto Layout & Constraints.
• Strong understanding of MVVM / Clean Architecture, iOS App Lifecycle, Memory Management, Multithreading & Concurrency.
• Hands-on experience with RESTful APIs, URLSession / Alamofire, JSON parsing, offline storage, and synchronization.
• Good understanding of SSL Pinning, Keychain, Encryption techniques, Biometric Authentication, and secure data storage.
• Experience with Git / GitHub / Bitbucket, CocoaPods / Swift Package Manager (SPM), Firebase Crashlytics, and CI/CD pipelines.
• Experience writing Unit Tests, UI Tests, and Integration Tests using XCTest.
• Experience using AI-assisted development tools such as GitHub Copilot, ChatGPT, Claude, Gemini, Cursor, or similar tools.
• Good to have exposure to OpenAI APIs, CoreML, intelligent automation, AI-powered mobile features, and chatbot integrations.

Responsibilities

• Design, develop, and maintain scalable iOS applications using Swift and modern iOS frameworks.
• Build reusable, modular, and maintainable mobile components following MVVM / Clean Architecture principles.
• Collaborate with product managers, backend teams, QA, and designers to deliver high-quality mobile applications.
• Integrate RESTful APIs, third-party SDKs, payment gateways, and banking/fintech services.
• Work on merchant onboarding, transaction management, settlements, analytics dashboards, and payment workflows.
• Participate in complete app lifecycle management from development to App Store deployment .
• Implement secure coding standards and financial-grade mobile security practices.
• Work with encryption, secure storage, SSL pinning, Keychain, biometric authentication, and secure API communication.
• Ensure compliance with security and data protection best practices.
• Write unit test cases and UI test cases using XCTest.
• Debug and optimize application performance including memory usage, startup time, responsiveness, and crash reduction.
• Participate in code reviews and maintain coding standards and best practices.
• Work with crash monitoring and analytics tools such as Firebase Crashlytics.
• Contribute to CI/CD and automated deployment workflows.

Skills

iOS development

Swift

UIKit

SwiftUI

MVVM/Clean Architecture

REST APIs

Git

XCTest

CI/CD

AI tools

Security practices

SSL pinning

Keychain

Firebase Crashlytics

CoreML

Education

Bachelor’s degree in Computer Science, IT, Engineering, BCA, MCA or related field

Tools

CocoaPods

Swift Package Manager (SPM)

GitHub

Bitbucket

Job description

Responsibilities

• Design, develop, and maintain scalable iOS applications using Swift and modern iOS frameworks.
• Build reusable, modular, and maintainable mobile components following MVVM / Clean Architecture principles.
• Collaborate with product managers, backend teams, QA, and designers to deliver high-quality mobile applications.
• Integrate RESTful APIs, third-party SDKs, payment gateways, and banking/fintech services.
• Work on merchant onboarding, transaction management, settlements, analytics dashboards, and payment workflows.
• Participate in complete app lifecycle management from development to App Store deployment .
• Implement secure coding standards and financial-grade mobile security practices.
• Work with encryption, secure storage, SSL pinning, Keychain, biometric authentication, and secure API communication.
• Ensure compliance with security and data protection best practices.
• Write unit test cases and UI test cases using XCTest.
• Debug and optimize application performance including memory usage, startup time, responsiveness, and crash reduction.
• Participate in code reviews and maintain coding standards and best practices.
• Work with crash monitoring and analytics tools such as Firebase Crashlytics.
• Contribute to CI/CD and automated deployment workflows.

Technical Skills & Experience

• 2+ years of professional iOS development experience.
• Strong proficiency in Swift, Xcode, UIKit, SwiftUI, Auto Layout & Constraints.
• Strong understanding of MVVM / Clean Architecture, iOS App Lifecycle,Memory Management, Multithreading & Concurrency.
• Hands-on experience with RESTful APIs, URLSession / Alamofire, JSON parsing, offline storage, and synchronization.
• Good understanding of SSL Pinning, Keychain, Encryption techniques, Biometric Authentication, and secure data storage.
• Experience with Git / GitHub / Bitbucket, CocoaPods / Swift Package Manager (SPM), Firebase Crashlytics, and CI/CD pipelines.
• Experience writing Unit Tests, UI Tests, and Integration Tests using XCTest.
• Experience using AI-assisted development tools such as GitHub Copilot, ChatGPT, Claude, Gemini, Cursor, or similar tools.
• Good to have exposure to OpenAI APIs, CoreML, intelligent automation, AIpowered mobile features, and chatbot integrations.

Qualifications

Bachelor’s degree in Computer Science, IT, Engineering, BCA, MCA or related field.