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Open to Senior / Lead iOS roles

Senior iOS
Engineer

7+ years shipping Swift apps used by millions — across Nigeria, Oman, Maldives, Panama, and Puerto Rico.

7+
Years iOS
15+
Apps Shipped
9M+
Downloads
6
Countries

Work Experience

Building iOS products at scale — from fintech to telecom, across emerging and global markets.

Paytm (One97 Communications)Jun 2022 – Present
Senior Software Developer – iOS · Noida
  • Owned Wallet & Self-Care modules for 2M+ active users — AES-256 encrypted, full App Store lifecycle, 4.7★ / 2.7M ratings.
  • Shipped 6 international enterprise apps across Nigeria, Oman, Maldives, Panama & Puerto Rico — 5M+ combined downloads, top-rated: My Liberty 4.8★/20K ratings and Mi Mas 4.6★/446 ratings.
  • Crash rate ↓35% (Crashlytics); screen load ↑40% (NSCache + Core Data + URLSession pre-fetch); AES-256 for PCI DSS compliance.
  • Combine reactive data binding, AVFoundation live video/VOD, Firebase + PubNub real-time chat at production scale.
  • Swift Testing (WWDC 2024) migration; mentored 2 junior engineers; MVVM + Coordinator across team of 5.
Appsquadz Software Pvt. Ltd.May 2020 – May 2022
Senior Software Developer – iOS · Noida
  • Shipped 7 iOS apps (all live on App Store) across ed-tech & entertainment — DAMS 3.6★/6.2K ratings · Utkarsh 3.6★/3K ratings · Rahul's IAS 4.6★/565 ratings · Made Easy 3.8★/477 ratings · Next IAS 3.7★/417 ratings · Sanskar TV 4.1★/30 ratings · Learn Forward 5★/3 ratings.
  • StoreKit + Paytm + Razorpay subscription flows; AES-256 offline-first Core Data architecture; Firebase + PubNub real-time chat with multimedia.
Oodles Technologies Pvt. Ltd.Aug 2018 – Apr 2020
Associate Software Developer – iOS · Gurugram
  • Built 2 crypto exchange apps — EzBitex 4.2★/627 ratings & Cerberex 4.0★/912 ratings: TradingView OHLC charts, real-time limit/market orders, AES-encrypted wallets, Google 2FA.
  • MVC → MVVM refactor with XCTest; Crashlytics pipeline (~50% faster diagnosis); Branch.io deep links.

App Portfolio

15 production apps shipped across telecom, fintech, ed-tech, entertainment, and crypto — all live on the App Store.

Skills & Stack

A focused, production-proven iOS skill set built over 7+ years.

Languages
Swift 5.xObjective-C
🏗
Architecture
MVVM + CoordinatorMVCClean ArchitectureSOLID
📱
Apple Frameworks
UIKitSwiftUICombineAVFoundationCore DataCore AnimationStoreKit
🔒
Security & Payments
AES-256 EncryptionPCI CompliancePaytm SDKRazorpay SDK
🔥
Real-Time & Cloud
Firebase Realtime DBFirebase CrashlyticsPubNub SDKAWS
🧪
Testing & Tooling
Swift Testing (WWDC 24)XCTestSwiftLintSonarQubeInstrumentsSPM / CocoaPods
🚀
Performance Optimization
Instruments ProfilingCPU / Memory AnalysisLazy LoadingBackground Pre-fetchScreen Load ↓40%
🧹
Memory Management
ARCRetain Cycle DetectionNSCacheWeak / Unowned ReferencesMemory Leak Debugging
🏛️
App Architecture
MVVM + CoordinatorRepository PatternProtocol-Oriented DesignFeature Modules
📦
Modularization
Swift Package ManagerFramework TargetsFeature IsolationBuild Time Reduction
💉
Dependency Injection
Constructor InjectionProtocol MockingService LocatorTestability
🌐
Networking Layer Design
URLSessionREST APICodable / JSONInterceptorsRetry LogicWebSocket

Achievements

Numbers that reflect real-world engineering impact across 7+ years of iOS development.

📱
15+
iOS Apps Shipped
Production apps across fintech, telecom, ed-tech, entertainment & crypto — all live on the App Store.
🌍
9M+
Combined Downloads
Apps deployed across 6 countries — India, Nigeria, Oman, Maldives, Panama & Puerto Rico.
👥
2M+
Monthly Active Users
Owned Paytm's Wallet & Self-Care modules serving 2M+ MAU — full SDLC ownership, AES-256 security.
40%
Faster Screen Load
Three-layer caching pipeline (NSCache + Core Data + URLSession pre-fetch) cut load latency by 40%.
🛡️
35%
Crash Rate Reduced
Systematic Crashlytics triage + Xcode symbolication with regression-gating before every App Store release.
4.8
Top App Store Rating
My Liberty App — 4.8★ with 523K ratings. Paytm Secure UPI — 4.7★ with 2.7M ratings.
🧠
5 eng
Led a team of 5 iOS engineers
Led 5-engineer iOS team at Paytm. Mentored 2 junior engineers via code reviews, architecture walkthroughs & Swift standards — PR cycles ↓25%.
🔒
PCI DSS
Security Compliance
AES-256 encryption end-to-end across 5 enterprise payment apps, achieving PCI DSS compliance for 2M+ users.
🚀
3 cos
Companies & Growth
Grew from Associate → Senior iOS Engineer across Oodles Technologies, Appsquadz, and Paytm over 7+ years.

Engineering Articles

Deep dives on Swift, iOS architecture, and the evolving Apple ecosystem — published on Medium.

Disable or Opt-Out Liquid Glass in SwiftUI and UIKit | iOS 26

How to selectively disable Apple's new Liquid Glass material in iOS 26 — both declarative SwiftUI modifiers and UIKit-level overrides explained with code examples.

Understanding the Difference Between SPM, Frameworks, CocoaPods, and Build Plug-ins in Swift

A practical guide to choosing the right dependency management and modularization tool for scalable iOS codebases — covering SPM, .xcframework, CocoaPods, and build plug-ins side by side.

WWDC 2025 Recap: Apple Intelligence, iOS 26, Xcode 26, Swift 6 & The Liquid Glass Era

A developer-focused breakdown of every major WWDC 2025 announcement — Apple Intelligence APIs, Swift 6 concurrency, the new Liquid Glass design system, and what it means for shipping apps today.

Understanding Pros and Cons of Singleton Pattern in Swift

When Singleton saves you and when it hurts you — a nuanced look at thread safety, testability, global state, and real-world alternatives like dependency injection in Swift.

CocoaPods Is Entering Read-Only Mode — And That's a Good Thing for iOS

Why CocoaPods going read-only is the nudge the iOS ecosystem needed to fully embrace Swift Package Manager — migration strategies, gotchas, and what to do with private pods.

Firebase Dynamic Link Deprecation and Its Alternates

Firebase Dynamic Links are gone — this guide covers what they were, real migration paths (Branch.io, App Clips, Universal Links), and how to choose the right alternative for your app's deep-linking needs.

Let's Build Together

Open to Senior iOS Engineer roles at product companies. Currently based in New Delhi, open to remote.

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