Vinay Kumar

Vinay Kumar

Mobile Engineer

Resume

Software Engineer Resume

A comprehensive overview of my experience, focused on high-performance mobile systems, architecture, and engineering leadership. Maintained in markdown.

Professional Experience

Vinay Kumar Thippireddy

iOS Developer

Banglore, Karnataka, India, 560068 • vinay9961@gmail.com • 9985293675 • vinaykumar0339.github.io/portfolio

Summary

Accomplished Senior iOS Engineer at Vymo Technologies with 5+ years of expertise in building enterprise mobile applications using Swift, UIKit, and SwiftUI. Specialized in offline-first architectures, mobile security integration, and performance optimization. Proven track record of delivering scalable iOS solutions with 60% performance improvements while leading automation initiatives and mentoring development teams.

Skills

  • Languages: Swift, Objective-C, TypeScript, JavaScript
  • Frameworks: UIKit, SwiftUI, React Native, Redux, Native Modules, CoreData, CoreBluetooth
  • Architecture: MVC, MVVM, Offline-First Architecture
  • Concurrency: GCD, Multithreading
  • Networking: REST APIs, URLSession, Push Notifications, Universal Links
  • Security: Keychain, Cryptography (PBKDF2), Intune MAM SDK
  • Testing: XCTest, XCUITest, Appium
  • Tools: Git, CocoaPods, Swift Package Manager, Jenkins CI/CD

Experience

Vymo Technologies (India) Pvt Ltd

Senior Member of Technical Staff Banglore, India | 2023 – Present

  • Architected and optimized hierarchical user data processing system in Swift, reducing processing time by 60–70% for enterprise datasets exceeding 10k users using O(N) algorithms and hash-based lookups.
  • Designed offline-first CRM mobile architecture using CoreData and SQLite, enabling field users to operate without network connectivity while ensuring reliable background synchronization.
  • Implemented delta synchronization strategy, reducing network payload size by 40% for large datasets.
  • Led development of iOS UI automation platform using Appium + XCUITest, reducing manual QA effort by 50% and enabling non-technical teams to author test flows.
  • Implemented secure PIN authentication using PBKDF2 salted hashing, ensuring secure credential derivation without storing plaintext user PINs.
  • Integrated Microsoft Intune MAM SDK to enforce enterprise mobile security policies including secure data containers and conditional access.
  • Mentored junior developers and contributed to architectural decisions for scalable mobile platform features.
  • Architected XCFramework packaging solution enabling React Native applications to be distributed as reusable iOS SDKs, simplifying integration with native Swift applications and reducing dependency conflicts.

Member of Technical Staff Banglore, India | 2022 – 2023

  • Developed core CRM application features using Swift, UIKit, and CoreData, supporting enterprise workflows for lead management and sales tracking.
  • Implemented CoreBluetooth integration for thermal receipt printers, including connection lifecycle management and command handling.
  • Built dynamic JSON-driven form engine supporting complex field types, formula evaluation, and offline persistence.
  • Implemented rich push notifications using Notification Service and Content Extensions, improving user engagement and enabling contextual deep links.
  • Optimized memory usage and UI performance using Xcode Instruments, improving scroll performance by 45%.

Intern Banglore, India | 2021 – 2022

  • Assisted in development of enterprise iOS application features using Swift and UIKit.
  • Implemented API integrations using URLSession and RESTful services.
  • Contributed to UI components and internal libraries used across multiple application modules.
  • Participated in debugging, testing, and improving application stability.

Projects

JexLang

Built cross-platform expression evaluation engine with Swift implementation, enabling deterministic formula execution across iOS, backend (Java), and web (JavaScript) platforms. Supports complex expressions with type safety and performance optimization.

Swift UI Navigation

A clean, flexible, and type-safe navigation library for SwiftUI, inspired by React Navigation. This library decouples navigation logic from your views, allowing for a more modular and testable architecture.

Education

JNTUA College of Engineering Pulivendula Bachelor of Technology • 8.6 Mechanical Engineering Pulivendula Andhra Pradesh • 2016-2020

Awards

  • Best Team Award (June 2023): Contributed to award-winning App team achievements.
  • Rising Rockstar (June 2022): Acknowledged for outstanding performance in iOS development.
  • Spot Award (June 2021): Recognized for exceeding goals and demonstrating leadership potential.

Languages

English, Telugu