Janusz Gregorczyk
Mentor
(4 reviews)
US$20.00
For every 15 mins
4
Sessions/Jobs
ABOUT ME
Experienced iOS Developer
Experienced iOS Developer
I am an experienced freelance iOS developer with previous gamedev experience. I am familiar with most aspects of iOS programming, including UIKit, CoreAnimation, OpenGL, GameKit, IAPs, CoreText, GCD, networking. I have developed about 30 iOS apps from scratch, and worked on many more. Before that, I helped to develop over 40 mobile java games.
Spanish, English
Warsaw (+01:00)
Joined July 2013
EXPERTISE
5 years experience
I've been working as a freelancer developing iOS applications since 2008. I have developed about 30 iOS apps from scratch (ranging from g...
I've been working as a freelancer developing iOS applications since 2008. I have developed about 30 iOS apps from scratch (ranging from games to business applications), and worked on many more. I am familiar with most aspects of iOS programming, including UIKit, CoreAnimation, OpenGL, GameKit, IAPs, CoreText, GCD, networking.
10 years experience
I've been programming in C since I was a kid. I started my professional career programming Palm PDAs in C/C++ in 2001 and moved on to gam...
I've been programming in C since I was a kid. I started my professional career programming Palm PDAs in C/C++ in 2001 and moved on to game programming on a variety of platforms. Since then I switched my primary programming language to Objective-C, but C knowledge always comes handy.
10 years experience
In the distant past I programmed C++ on a variety of (gaming) platforms ranging from Palm to PlayStation2. I haven't had much exposure to...
In the distant past I programmed C++ on a variety of (gaming) platforms ranging from Palm to PlayStation2. I haven't had much exposure to it since then but occasionally C++ knowledge comes handy when interfacing native libraries and such.
7 years experience
I've used Python numerous times for scripting purposes, custom gamedev tools and solving math problems.
I've used Python numerous times for scripting purposes, custom gamedev tools and solving math problems.
REVIEWS FROM CLIENTS
(4 reviews)
Aaron
April 2014
Janusz was very friendly and helpful. He took time to understand my issue, and provided a good solution and concise additional direction for things to be aware of as I moved forward.
Maximilian Maksutovic
April 2014
Jaunscz was fantastic, not only solved the problem but clearly explained the issue so that I would actually learned what caused. Will definitely use him again!
Joao Paulo
February 2014
Janusz is very polite and helpful. He solved the issue I was experiencing very quick after taking a look at it. I will definitely work with him again.
Joao Paulo
February 2014
Janusz is very polite and helpful and was very quick in sorting the issue after seeing my project.
I will definitely work him in a next project I may need help with.
Really appreciate his help.