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Kumar
@kumar_bunty
Level 2
Work is worship, clients are God
India
English, Hindi
About me
Myself Kumar, a Senior Mobile App Engineer / Product Lead with 12+ years of work experience in building reliable and scalable mobile applications.
I specialize in mobile app development across iOS, Android, and cross-platform technologies, delivering high-quality apps from idea to deployment.
Skills
✅ Mobile App Development (iOS, Android, Cross-Platform)
✅ iPhone / iPad / Mac / tvOS app development
✅ Android app development (Kotlin)
✅ Flutter cross-platform app development
Frontend Languages
⚽️ Swift
⚽️ SwiftUI
⚽️ Objective-C
⚽️ Kotlin
⚽️ Dart (Flutter)
Skills
Kumar
$15/hour
Offline •
Average response time: 1 hour
See my services
iOS App Development
I will develop ios iphone app in swift and swiftui
Software Testing
I will test and fix bugs in the iphone application
Want to work on an hourly basis?
Tell Kumar what you need.
$15
/
hourPortfolio
Work experience
Senior Lead Engineer
ONS Application Studio • Self-employed
Feb 2021 - Present • 5 yrs 3 mos
Senior Lead Engineer with 5+ years of experience in this organisation, delivering scalable, high-performance mobile applications across multiple domains. Led cross-functional teams, architected clean MVVM/CLEAN solutions, integrated advanced features like VoIP, IAP (RevenueCat), streaming, and real-time communication systems. Successfully delivered and published 25+ apps on App Store & Play Store, improved app performance by 40%, and mentored junior developers to drive product excellence and on-time releases.
794 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 794 Reviews
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Most relevant
adriendumontt
Repeat Client
Spain
Kumar did an amazing job and we were honestly very surprised by the quality of the work. Everything was delivered professionally and the final result exceeded our expectations. He clearly has a lot of knowledge, communicates very well, and made the whole process smooth and easy. We really loved the...
Helpful?
adriendumontt
Repeat Client
Spain
Kumar did an excellent job. Everything went very well and we are very happy with the final result. He was fast, professional, responsive, and easy to work with throughout the whole process. We really appreciate his effort and communication, and we will definitely work with him again in the future. Highly recommended.
Helpful?
mike_romero1984
Repeat Client
United States
Moves very fast and respond right away. Straightforward with the work and the price honest and can be trusted. I look forward to working with him and all my future projects. I think I found the person that’s going to be my number one.
Seller's Response
Helpful?
mike_romero1984
Repeat Client
United States
Communication with me is excellent and makes it easy to work with. I recommend for anyone to use is the future and is very trustworthy.
Helpful?
daviddeanellis
Repeat Client
Canada
Kumar is easy to work with and he delivers on time and has excellent communication skills. I highly recommend him.
Helpful?
