Who Am I

I’m Kaushal 🧑‍💻, a mobile developer with 13+ years of experience in iOS and Android app development.

  • Re-architected and built Voot and JioCinema apps from scratch.
  • Currently working at British Telecom as a Lead Mobile Developer.
  • Worked on apps with over 10 million monthly active users.
  • Refactoring and Rebranding 10+ years old legacy Business App with multi module architecture.
  • Experience in building scalable IoT apps with DIY integration of popular hardware products such as garage doors, smart switches, cameras, smart locks, smoke detectors, lighting systems, and comfort sensors.
  • Strong understanding of cross-platform technologies and ecosystems across iOS, Android, Apple TV, and watchOS.
  • Currently learning deep machine learning concepts for mobile use cases using Python.

Programming Language I ❤️

  • Swift — Native iOS development with fast, safe code
  • Kotlin — Modern Android language with null-safety
  • Python — Ideal for automation, ML, and fast prototyping
  • Dart — UI-first language for cross-platform Flutter apps
  • Java - Native Android development language

🏢 Companies I Serve

  • British Telecom
  • Viacom18 (merged with JioStar)
  • Honeywell Solutions
  • Happiest Minds Technology
  • Exilant Technology (Apple’s Offshore Development Centre)

🛠️ Editors I Code In

  • Xcode — Best for native iOS/macOS development with Swift & Obj-C
  • Android Studio — Full-featured IDE for Android app development
  • VS Code — Lightweight editor I use for Python & Flutter
  • PyCharm — Full-featured IDE I use for Python development

📱 Platforms I Can Build Apps For

  • iOS — Native iPhone app development with Swift
  • Android — Modern apps using Kotlin or Java
  • Tablet App — Tablet-specific layouts and multitasking features
  • macOS — Desktop apps with UIKit and Swift

🚀 Tech Domains I Excel In


Payment Gateway
Payment Gateway Integration
Built seamless checkouts with Stripe, Razorpay, Apple Pay & Google Pay
Recurring Payments
Recurring In-App Payments
Managed subscriptions and renewals on iOS & Android
Digital Advertising
Digital Advertising
Integrated AdMob, Meta, and programmatic ad solutions
Push Notifications
Push Notifications (FCM & APNs)
Implemented push delivery using Firebase Cloud Messaging and Apple Push Notification Service with deep linking and rich media support.
OTT Streaming
OTT Streaming
Delivered DRM-secured, high-quality video streaming with casting
Billing and Invoicing
Billing & Invoicing Systems
Automated billing, PDF generation, and tax handling
IoT BLE
IoT (BLE)
Developed BLE apps for smart devices and industrial sensors
iBeacon Navigation
Indoor Navigation (iBeacon)
Enabled indoor positioning for malls, airports, and expos
Firebase Backend Platform
Firebase Backend-as-a-Service Platform
Used Firebase for Crashlytics, A/B Testing, Remote Config, and Marketing Notifications.
Siri Voice Assistance
Siri Voice Assistance
Enabled voice-driven actions using SiriKit & Shortcuts

OTT Apps: JioCinema & Voot


Honeywell Total Connect App


Honeywell Building Solutions


🤝 Community Service

Feel free to connect if any of the following resonates with your career growth. You can DM me on LinkedIn.

  • Reviewed 5,000+ mobile developer resumes across levels.
  • Interviewed 1,000+ candidates in first-round interviews.
  • Interviewed 50+ college graduates in both on-campus and off-campus drives.
  • Interviewed 100+ candidates in second-round interviews.
  • Participated in 5+ hackathons.
  • Attended 10+ community meetups.
  • Delivered 10+ open mentoring 1-on-1 sessions upon request.

📬 Hire Me

Reach out to me at kaushalyuvi@gmail.com for the roles below. Please include the relevant option in the subject line for a prompt response.

  • Full Time: Technical Engineering Manager / Associate Architect
  • On-Demand Consultant:
    • Measure app performance & propose improvements
    • Solve critical app issues (Crashes / Streaming / Payments / VOIP / Clean Architecture)
    • Boost team velocity through pair programming
    • Weekend interview panel support

Open Source:

Signal App: Signal is a simple, powerful, and secure messenger.Here is what i am working on. Signal is a messaging app with privacy at its core. It is free and easy to use, with strong end-to-end encryption that keeps your communication completely private. Send texts, voice messages, photos, videos, GIFs, and files for free. Signal uses your phone’s data connection, so you avoid SMS and MMS fees.

  • Exploring signalapp code for Android.

💡 My Tech Blogs

  • Team Lead — A fancy title or Squad Leader?
  • Why team building matters for boosting productivity.
  • My Walking Skeleton App.
  • Why MVVM always wins.
  • Pair programming — Does it really work?
  • Will unit testing slow down development?