Janusz Gregorczyk

Janusz Gregorczyk

Experienced iOS Developer

Location
Poland
Industry
Technologie i usługi informatyczne

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Janusz Gregorczyk's Przegląd

Wcześniejsze
  • Lead Mobile Developer w United Playcos
  • Technology Director, Co-Founder w Gameleons Sp. z o.o.
  • C/C++ Programmer, Contractor w InterActive Vision Mind Beacon Sp. z o.o.
  • C/C++ Programmer w InterActive Vision Mind Beacon Sp. z o.o.
Kontakty

121 kontaktów

Janusz Gregorczyk: Podsumowanie

[I am looking for new opportunities. I am only considering remote positions at the moment.]

Currently my core interest is in iOS development. If you are looking for an experienced iOS developer I am your person. I am familiar with most aspects of iOS programming, including UIKit, CoreAnimation, OpenGL, GameKit, IAPs, CoreText, GCD, networking. I have developed about 40 iOS apps from scratch, and worked on many more.

Before that, I was a co-founder of Gameleons (in its prime time one of Poland's biggest mobile devs) and worked on over 50 mobile game titles. I have several years of programming experience on various platforms.

Specialties: native iOS development, Objective-C, mobile

Doświadczenie użytkownika Janusz Gregorczyk

Senior iOS Developer

AppwoRx LLC

Privately Held; 11-50 employees; Oprogramowanie komputerowe industry

August 2013July 2014 (1 year)

As a Senior iOS Developer at AppwoRx I worked on a 2.0 version of a clinical photography application.

Senior iOS Engineer

Bright Mediums

Public Company; 11-50 employees; Oprogramowanie komputerowe industry

January 2013July 2014 (1 year 7 months) Remote

As a Senior iOS Engineer at Bright Mediums I was responsible for development and maintenance of several challenging iOS projects.

Mobile Hero

Brothers Media

Public Company; 1-10 employees; Technologie i usługi informatyczne industry

January 2010December 2013 (4 years)

As an iOS developer at Brothers Media I developed several beautifully designed universal iOS applications.

Lead Mobile Developer

United Playcos

April 2009December 2012 (3 years 9 months) Remote

Developed several iOS and Android applications, both for clients and self-published.

Technology Director, Co-Founder

Gameleons Sp. z o.o.

Privately Held; 11-50 employees; Rozwiązania bezprzewodowe industry

March 2005December 2008 (3 years 10 months)

Managed development and R&D activities of one of Poland's top mobile game developers of the time. Involved in over 40 J2ME projects, from conception to post-production.

Developed several game engines, local bluetooth multiplayer solution, core porting technology.

C/C++ Programmer, Contractor

InterActive Vision Mind Beacon Sp. z o.o.

December 2003September 2004 (10 months)

Helped to port two arcade simulator games from PC to Playstation 2 platform:
• Pacific Warriors 2
• Operation Air Assault
Work involved platform and compiler porting of large VC++ codebase to PS2/GCC, implementation of PS2-specific features, subsequent optimization and bugfixing.

C/C++ Programmer

InterActive Vision Mind Beacon Sp. z o.o.

July 2001January 2003 (1 year 7 months)

Palm OS and Windows Mobile programming on a variety of applications.

Developed game backend, parts of user interface and various other components of a PC Game Airlines 2.

Janusz Gregorczyk: Języki

  • Polish

    (Native or bilingual proficiency)
  • English

    (Full professional proficiency)
  • Spanish

    (Limited working proficiency)
  • Italian

    (Elementary proficiency)
  • German

    (Elementary proficiency)
  • Russian

    (Elementary proficiency)

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