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Cosmin R.
Last update: 07 Dec 2018
Android developer with a background in backend development
Cosmin is an Android developer with 4+ years of experience in web and mobile development with a Master in Computer Science. He started as a .NET developer and moved to native Android development after 1 year. Since then, he's been involved in several projects, including a complex WhatsApp clone, based on the XMPP protocol. His background in backend development helps him understand the full picture of a project and he occasionally develops backend components on Node JS and Angular. In his spare time, Cosmin is also an Assistant Teacher at the Technical University of Cluj-Napoca.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
Usually responds within 1 hour
GMT+2 East Europe



Industry Experience

Sports & Fitness, Travel & Tourism, Internet & Telecom, Social Media & Communication

Product Experience

Mobile app for Ski-resorts, Real-time messaging app (enables chatting/ audio-/ videocalling)


Jun `18 – Present

6 months

On Piste

Android developer

Cosmin was lead developer for the project and was involved in all aspects of the development, from technical architecture to development.

Skipass Magazine

On Piste is a mobile app built for the ski lovers, available for iOS and Android. Nicknamed the “Waze for Ski” by the media, On Piste uses public information and input from users to show real-time ski conditions for the ski resorts in Romania, down to the track level. The response was overwhelming and the app was widely covered in the press.

Technologies Stack:

Android SDK AngularJS Java Node.js


Sports & Fitness, Travel & Tourism


Mobile app for Ski-resorts


Oct `16 – Jun `17

8 months


Android developer

Participated in development of some of the core chat functionalities, like group chats and image / video sharing.


A chat mobile app (WhatsApp clone) for one of the largest Telecom companies in UK.

Technologies Stack:

Android SDK XMPP


Internet & Telecom, Social Media & Communication


Real-time messaging app (enables chatting/ audio-/ videocalling)


Technical University of Cluj-Napoca

MS in Computer Science

Technical University of Cluj-Napoca

Bachelor degree in Computer Science

Web and mobile development agency #430



E-Commerce & Retail, Entertainment & Games, Healthcare & Medicine

Freshbyte is a web and mobile development company based in Cluj-Napoca, Romania. We started in 2004 and have grown steadily since then. So far, we’ve delivered 100s of projects for a wide range of clients, starting from Fortune 500 companies to startups and SMEs. Freshbyte is specialised in web and mobile solutions, e-commerce, IT infrastructure automation and AI chatbots for various industries like travel, retail, entertainment or health. We help clients with the full cycle of software product development, from idea and business analysis to development and application support.