09/30/2026 updated
100 % available
Senior iOS Engineer | Swift, SwiftUI, Objective-C | 10+ Years Experience
ghaziabad, India
Worldwide
B.Tech in Computer Science, Vivekananda Institute of Technology & Science, Ghaziabad (2009-2013)About me
Staff-level Mobile Engineer with 10+ years building large-scale, data-driven mobile apps using Swift, Objective-C,SwiftUI,React Native,ionic and modular architectures. Proven experience owning production-grade systems end to end, and improving , app performance, scalability, and developer velocity.
FlutterApple XcodeObjective-C (Programming Language)IonicSwiftuiIos FrameworksSwift (Programming Language)React Native
iOS Development with Swift & SwiftUI
Over 10 years of experience building large-scale, data-driven mobile applications using Swift, SwiftUI, Objective-C, and Combine. Expertise in modular architectures such as MVVM, VIP, VIPER, and Clean Architecture, delivering production-grade apps for enterprise clients.
Architecture & Technical Leadership
Definition and implementation of modular architecture frameworks including MVVM, VIP, VIPER, and Clean Architecture across cross-functional teams. Leadership of platform-wide refactoring initiatives, code reviews for 10+ engineers, and establishment of CI/CD automation via Fastlane and GitHub/GitLab pipelines.
Networking & API Integration
Deep expertise in RESTful APIs, JSON, XML, URLSession, Alamofire, WebSockets, Push Notifications, and Application Security (Keychain, App Transport Security, CryptoKit). Proven track record of reducing API response times and improving system reliability across fintech and health platforms.
Testing & Code Quality
Comprehensive knowledge of XCTest, UI Testing, Snapshot Testing, Unit Testing with Combine, Test Coverage, Code Refactoring, A/B testing frameworks, and Continuous Code Quality Improvement.
Cross-Platform & Hybrid Development
Experience with React Native, React Native module bridging, Ionic/Angular hybrid apps, Flutter POC, WebViews, PhoneGap, and modular hybrid integration strategies.
Concurrency & Performance Optimization
Proficiency in GCD, concurrency in Swift using async/await and actors, Multithreading, Memory Management (ARC), Instruments Profiling, and Code Optimization to enhance app responsiveness and scalability.
Core Frameworks & Device Integration
Hands-on experience with Core Data, Core Animation, Core Bluetooth, Core Location, Core Motion, Realm, SQLite, HealthKit, and BLE integrations for real-time data from medical and IoT devices.
Development Tools & CI/CD
Proficient with Xcode, Git, GitHub, GitLab, Bitbucket, CocoaPods, Swift Package Manager, Fastlane, CI/CD Pipelines, Firebase Analytics, Carthage, and Jenkins.
Collaboration & UI/UX
Experience working with Figma, Sketch, Zeplin, Agile/Scrum methodologies, conducting Code Reviews, Mentoring Junior Developers, and managing Accessibility, Localization, and App Store Submission.
Over 10 years of experience building large-scale, data-driven mobile applications using Swift, SwiftUI, Objective-C, and Combine. Expertise in modular architectures such as MVVM, VIP, VIPER, and Clean Architecture, delivering production-grade apps for enterprise clients.
Architecture & Technical Leadership
Definition and implementation of modular architecture frameworks including MVVM, VIP, VIPER, and Clean Architecture across cross-functional teams. Leadership of platform-wide refactoring initiatives, code reviews for 10+ engineers, and establishment of CI/CD automation via Fastlane and GitHub/GitLab pipelines.
Networking & API Integration
Deep expertise in RESTful APIs, JSON, XML, URLSession, Alamofire, WebSockets, Push Notifications, and Application Security (Keychain, App Transport Security, CryptoKit). Proven track record of reducing API response times and improving system reliability across fintech and health platforms.
Testing & Code Quality
Comprehensive knowledge of XCTest, UI Testing, Snapshot Testing, Unit Testing with Combine, Test Coverage, Code Refactoring, A/B testing frameworks, and Continuous Code Quality Improvement.
Cross-Platform & Hybrid Development
Experience with React Native, React Native module bridging, Ionic/Angular hybrid apps, Flutter POC, WebViews, PhoneGap, and modular hybrid integration strategies.
Concurrency & Performance Optimization
Proficiency in GCD, concurrency in Swift using async/await and actors, Multithreading, Memory Management (ARC), Instruments Profiling, and Code Optimization to enhance app responsiveness and scalability.
Core Frameworks & Device Integration
Hands-on experience with Core Data, Core Animation, Core Bluetooth, Core Location, Core Motion, Realm, SQLite, HealthKit, and BLE integrations for real-time data from medical and IoT devices.
Development Tools & CI/CD
Proficient with Xcode, Git, GitHub, GitLab, Bitbucket, CocoaPods, Swift Package Manager, Fastlane, CI/CD Pipelines, Firebase Analytics, Carthage, and Jenkins.
Collaboration & UI/UX
Experience working with Figma, Sketch, Zeplin, Agile/Scrum methodologies, conducting Code Reviews, Mentoring Junior Developers, and managing Accessibility, Localization, and App Store Submission.
Experience
Professional experience10+ years
Freelancer since2025
Languages
EnglishFluentHindiFluent
Project history
Delivered enterprise-grade iOS solutions for multiple clients (Wisho, TUser, TMark) on a contract basis. Key projects include Wisho (Swift, MVVM), TUser (SwiftUI, MVVM), and TMark (secure payment gateways, real-time tracking with CoreLocation and WebSocket). Tech Stack: Swift 5, SwiftUI, Combine, XCTest, CI/CD Pipelines.
Led architecture redesign using VIP + MVVM for modularity and scalability, reducing onboarding time by 30% and improving app startup time by 40%. Collaborated with product and design teams to deliver a next-gen crypto trading experience. Implemented hybrid-compatible components and improved API integration flow, reducing crashes from 0.8% to 0.2%. Built secure transaction modules using CryptoKit and async/await, reducing API response time by 200ms. Applied feature flags, A/B testing frameworks, and remote config rollout strategies. Tech Stack: Swift, SwiftUI, Combine, VIP, MVVM, CryptoKit, RESTful APIs, Firebase, Core Location, Dependency Injection, App Transport Security, Fastlane, GitHub, CI/CD, Async await.
Improved chronic condition tracking by integrating real-time data from Bluetooth medical devices (glucometers, BP monitors), supporting 5M+ daily transactions. Refactored legacy RxSwift code to Combine, reducing crashes by 35% and improving testability. Delivered 20+ Agile sprints, collaborated cross-functionally with clinical, design, and backend teams. Tech Stack: Swift, SwiftUI, Combine, RxSwift, Core Bluetooth, HealthKit, BLE, Realm, Firebase, RESTful APIs, Fastlane, GitLab CI/CD.