Ratna Priya

iOS Developer with 2+ years building and shipping production apps to 50K+ users across live streaming, logistics, and ride-hailing domains. Expert in Swift and SwiftUI with deep experience in MVVM and Clean Architecture, async/await concurrency, WebSocket real-time messaging, Firebase, and Stripe payment integration. Delivered 3 App Store apps maintaining a 4.5 rating, consistently profiled for 60 FPS performance via Instruments.

Experienced with XCTest-based unit testing and CI/CD pipelines using Fastlane and TestFlight. Looking for a product-focused team where mobile is core, not an afterthought.

iOS Developer - Chetu India Pvt Ltd - Noida, India

(2024-04)

• Built and shipped 3 production iOS apps with 50K+ downloads and 4.5 App Store rating using Swift, SwiftUI, and UIKit — spanning live streaming, logistics, and ride-hailing domains
• Engineered real-time features using WebSocket protocol and Swift async/await, enabling instant creator-to-viewer messaging with non-blocking UI updates across live audiences
• Reduced crash rate by ∼40% (measured via Firebase Crashlytics) and achieved consistent 60 FPS rendering through Instruments profiling, memory management, and targeted performance optimisations
• Integrated Firebase suite (Analytics, Crashlytics, Authentication, Realtime Database) and Stripe Payment Gateway across multiple production apps
• Wrote unit and UI tests using XCTest, improving code reliability and reducing QA regression cycles; set up Fastlane lanes for automated build and TestFlight distribution
• Delivered complex SwiftUI layouts with Combine reactive patterns, reducing UI re-render issues and improving data-binding reliability across multi-screen flows
• Collaborated in Agile/Scrum sprints with backend, QA, and product teams; maintained clean Git history through structured code reviews and feature-branch strategy

Trainee iOS Developer - Chetu Skill Centre - Noida, India

(2023-12 - 2024-04)

• Completed an intensive iOS development apprenticeship building hands-on projects in Swift, UIKit, SwiftUI, and Core Data — secured a full-time iOS Developer offer at Chetu India Pvt Ltd
• Independently built internal iOS apps applying MVVM and MVC architecture patterns, demonstrating production-ready code quality from day one
• Implemented REST API integrations using URLSession and modern Swift concurrency (async/await), with structured error handling and JSON decoding via Codable
• Strengthened debugging proficiency using Xcode Debugger, LLDB, and Instruments for performance profiling and memory leak detection

Bachelor of Science - C.S.J.M. University, Kanpur (2019 - 2021)