
Kumar
Level 2
Work is worship, clients are God
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USD 20
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Experiencia laboral
Senior Lead Engineer
ONS Application Studio • Trabajador autónomo
Feb 2021 - Present • 5 yrs 6 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.
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Ordenar por
arturogomez33

Estados Unidos
⭐⭐⭐⭐ “Kumar is an absolute professional and I highly recommend him to anyone looking to submit an app to the App Store. I came to Kumar with a complex project — a nightlife app built in HTML/JavaScript that needed to be wrapped in React Native and submitted to Apple. He handled everything efficiently...

Respuesta del Freelancer

minecraft3d

Estados Unidos
Great experience! The seller was very helpful, professional, and patient throughout the process. They helped fix the issues with my app and successfully uploaded it. Communication was clear, and they made sure everything was working properly. I’m very satisfied with the service and would definitely recommend them!
arindamsen108

India
Kumar did a great job. He fixed the Event API issues on time and also uploaded the app to the App Store. I really appreciate his work and would highly recommend him.
adriendumontt

España
Kumar was a pleasure to work with. He is professional, responsive, and always willing to help. Throughout the project he was patient, communicated clearly, and worked hard to solve every issue that came up. I really appreciate his dedication and support. I would be happy to work with him again in the future. Highly recommended!
arindamsen108

India
Kumar did a great job. He fixed the Event images issues on time and also uploaded the app to the App Store. I really appreciate his work and would highly recommend him.


