Omprakash Kumar Singh

iOS Engineer with 4+ years of hands-on experience building and shipping high-performance applications across fintech, OTT, social, e-commerce, and government verticals. Proficient in Swift, SwiftUI, and UIKit with strong command of MVVM and VIPER architecture patterns. Experienced in secure payment integrations (Razorpay, Apple IAP), real-time communication (Dyte SDK), and App Store Connect release management.

Embraces AI-assisted development (Vibe Coding) using Claude, ChatGPT, Gemini, and Stitch to accelerate development workflows. Collaborative team player consistently delivering production-ready iOS apps in Agile environments.

iOS Engineer - Plaxonic Technologies Pvt. Ltd. - Noida, India

(2023-04)

• Developed and maintained 5+ production iOS applications using Swift, SwiftUI, and UIKit, enhancing UI responsiveness and user engagement across multiple client projects
• Implemented secure payment system using Razorpay and Apple In-App Purchases (IAP) for coins and monthly subscriptions, reducing transaction failures by 30% and improving checkout success rate
• Integrated Dyte SDK for real-time video and audio calling between users and support teams, handling 1000+ daily calls
• Improved app performance by optimizing memory usage and implementing efficient algorithms, reducing load time by 40% for smoother user experience
• Leveraged AI tools (Claude, ChatGPT, Gemini) for rapid prototyping, code review, debugging, and documentation - accelerating development velocity by 35%
• Integrated Google AdMob SDK (banner, interstitial, rewarded ads) for in-app revenue monetization, generating 25% increase in ad revenue
• Managed App Store Connect submissions, TestFlight beta distribution, and production release cycles for 5+ applications
• Developed Android application using Compose Multiplatform (CMP) to extend cross-platform development capabilities and deliver consistent user experience across iOS and Android platforms iOS Developer - Tecorb Technology - Noida, India

(2022-06 - 2023-03)

• Developed mobile applications with robust UI/UX in SwiftUI following MVVM architecture for clean, testable code
• Collaborated with backend engineers for smooth RESTful API integration using Alamofire and Codable, reducing API response handling time by 35%
• Managed and optimized Core Data for local data persistence across app features, improving offline experience for 10,000+ users
• Wrote scalable, maintainable, and reusable Swift code across diverse iOS application projects
• Conducted peer code reviews ensuring code quality and adherence to iOS best practices iOS Developer - Fluper Limited - Noida, India

(2021-04 - 2022-06)

Started as iOS intern (Apr-Oct 2021) contributing to live client projects under senior guidance, then continued as full-time iOS Developer

• Built and maintained Swift/UIKit-based applications with hands-on experience in MVC architecture and REST API integration
• Delivered 3+ client projects from development to App Store deployment

Master of Computer Applications - Computer Applications - Central University of Haryana (2019 - 2021)

Bachelor of Computer Applications - Computer Applications - Gaya College (2014 - 2017)