Janos is available for hire

Janos Dragos

Verified Expert in Engineering

Software Developer

Location

Dabas, Hungary

Toptal Member Since

August 8, 2012

Janos has been working in IT for 10+ years, from IT administration to application development. For the past nine years, he's been developing exclusively on iOS and absolutely loves it. He is an enthusiastic developer and a great person to work with.

iOS UIKit Objective-C Xcode SQLite Core Data JSON Ruby Java OpenGL MapKit Ruby on Rails (RoR)Git Apache Maven MacOS GCD

Portfolio

Synchronoss Technologies

Apache Maven, Storyboarding, GCD, Core Data, UIKit, iOS

OnLiveIT

iOS

Five International Kft

OpenGL, QuartzCore, StoreKit, Newsstand, Core Data, iOS

Experience

Xcode - 7 years iOS - 7 years UIKit - 7 years Objective-C - 7 years Ruby - 5 years Core Data - 4 years Java - 3 years Newsstand Kit - 1 year

Availability

Part-time

Preferred Environment

Git, Xcode, iOS, MacOS

The most amazing...

...software project I've participated in is the HNT's EURO 2012 soccer championship live streaming app. Peak usage was about 60,000 simultaneous users.

Work Experience

Senior iOS Developer

2014 - PRESENT

Synchronoss Technologies

Fixed bugs on products.
Developed a provisioning API for authentication.
Integrated/customized an AirPlay/ChromeCast solution.
Developed onboarding features.

Technologies: Apache Maven, Storyboarding, GCD, Core Data, UIKit, iOS

iOS Developer

2013 - 2014

OnLiveIT

Created extensions to the SAP SBO system.
Developed a service order mobile solution.
Wrote PHP modules for data processing.

Technologies: iOS

iOS Developer

2011 - 2013

Five International Kft

Designed, developed, and tested a digital magazine reader iPad application for the Hungarian magazine reader market.
Coordinated development of web services with external developers for use in conjunction with digital magazine reader.
Developed other internal and external iOS applications according to specifications.

Technologies: OpenGL, QuartzCore, StoreKit, Newsstand, Core Data, iOS

iOS Developer

2009 - 2011

BlockShopper

Designed, developed, and tested an iPhone application utilizing GPS, MapViews, and Core Data for real estate listing/search services.
Oversaw the Android developers.
Gathered technical requirements via communication with domain experts and stakeholders.
Provided operational support for technical issues in accordance with company policy.
Planned a device-side database as well as server-side applications.
Developed a Rails web framework for use in conjunction with mobile services.
Programmed Ruby and shell scripts.

Technologies: Sphinx Search Engine, Ruby on Rails (RoR), QuartzCore, MapKit, iOS

Experience

SEAT Interactive Manual

An interactive vehicle manual for iPhone/iPad that provides digital vehicle manuals for select SEAT models. A dealer locator is also provided to find a dealer nearest to your current location (Hungary only).

Dimag Paint

A painting application for children. The app provides 5 free picture outlines that can be finger colored with various colors. The painting is automatically saved and can be sent to others via e-mail or posted to Facebook. An additional in-app purchase package containing 10 more picture outlines is available as well.

Greeting Factory

A simple app that allows the user to send witty, humorous greetings (Hungarian) via email or SMS.

Vatera Auction App

Assisted in developing the client to server communication mechanism used by the application's auctioning system. The app has 2 million in-app sales in the last half year!

Udacity Nanodegree in Swift iOS Development

Professional development completed in 2016.

Education

1998 - 1999

Professional Degree in Computer Programming

Chubb Institute - New Jersey

Skills

Languages

Objective-C, Ruby, Swift 2, Java

Frameworks

UIKit, Core Data, Newsstand Kit, StoreKit, QuartzCore, MapKit, Ruby on Rails (RoR)

Platforms

iOS, MacOS, Windows, Ubuntu

Tools

Xcode, Newsstand, Git, Apache Maven, Apache

Storage

SQLite, JSON, Sphinx Search Engine, MySQL

Libraries/APIs

OpenGL

Other

GCD, Storyboarding

Collaboration That Works

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