Profile image of re4ct0r
Flag of Poland Skierniewice, Poland
Member since February 2, 2012
11 Recommendations


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I am a software developer with almost 9 years of commercial experience including 5 years of full-time freelancing. My main skills include: ✓ Android apps ✓ iOS apps ✓ Deep learning and Google TensorFlow ✓ PHP/Python backends ✓ Amazon Web Services and complex server infrastructure administration ✓ Team leading ✓ and much more I can work on every layer of almost any project. I am always interested in how everything works. I prefer to work on projects where I can learn a lot of new things as opposed to ones where I already know in detail what all components are doing and how they function together.
$35 USD/hr
102 reviews
  • 98%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 45%Repeat Hire Rate


Recent Reviews

  • image of DevelopmentCo Project for re4ct0r -- 2 $19020.00 USD

    “There is no better freelancer than re4ct0r. A true professional with the rare combination of top level skills, quick work, great communication, creative and strategic suggestions, and unquestionable integrity. Together it all equals the best value on This is why we have already begun another project with re4ct0r.”

  • image of MikeW68 Project for re4ct0r -- 4 $3980.00 USD

    “re4ct0r always deliver a quality project. I have consistently rehired him for the knowledge, skills and high quality work. [05 July, 2016] Rafal is the type of Freelancer that makes the platform work. Good quality work every time. [19 July, 2016] re4ct0r has produced another excellent result. [17 August, 2016] Re4ct0r always provides a great result.”

  • image of DevelopmentCo Project for re4ct0r $20400.00 USD

    “re4ct0r is an exceptionally skilled developer, an excellent communicator (his English is better than most Americans!), a thought leader, self-motivated, problem solver, able to prioritize and manage to deadlines. I have worked with re4ct0r every day for the last 8 months on an ongoing project and have been continuously impressed with his professionalism and commitment to delivering excellent work. Re4ct0r has earned our highest recommendation. [05 July, 2016] An exceptional job with a complex mission. We are happy to consider re4ct0r part of our team and will be working with him again and again. [17 July, 2016] Fantastic communicator and accomplishes tasks quickly”

  • image of shorecode Project for re4ct0r -- 2 $720.00 USD

    “A top-quality coder, great to work with. I would highly recommend.”

  • image of easewood Project for re4ct0r -- 2 $1500.00 USD

    “All-round great guy to work with, honest, knowledgeable and delivers on time. Very pleasant to work with, and I will definitely hire him again. This was an ongoing project which spanned multiple months and multiple milestones. No problems, very responsive communications, professional attitude and good quality code. Thank you again!”

  • image of Apti L. Project for re4ct0r $150.00 USD

    “Awesome work as always.”


Freelance Software Engineer

May 2012

- Android applications development - iOS applications development - PHP and Magento development (I have worked over a year on Android project with Magento backend doing work both on Android an Magento side) - JAVA,C, C++ development

Software Engineer

Jun 2011 - Mar 2012 (9 months)

Graphics driver for mobile devices implementation. The driver was designed to run on Linux and Android platform. Involvement in tasks related to various parts and layers was necessary.

Junior Software Engineer

Jul 2009 - May 2011 (1 year)

Applications development mostly for Android but also a little bit for Symbian and iPhone. Responsible for various parts of applications from networking layers to UI layers.



2005 - 2010 (5 years)


Highest possible scholarship for 4 years in a row. (2010)

University of Lodz

I received highest possible scholarship for 4 years in a row for outstanding academic performance. I was one of the top students.


no publications


  • Numeracy 1
  • Game Physics 1
  • Android 3
  • Java Level 2
  • US English Level 3
  • HTML Level 1
  • iPhone Development 1
  • MySQL Level 2
  • PHP Level 3


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