Bart Sitek

Full Stack Web Developer & Designer

Warsaw, Poland
I'm looking for a challenging position (full stack range) in Web or Web-related field where I could be exploring new areas and learning new technologies and methodologies.

Work Experience



Instatrip is a web service that enables you to group your Instagram photos into Trips and puts them on a beautifully crafted map. I’m taking care of everything from the vision, through design to development. Technologies implemented consist of CodeIgniter framework, Amazon S3 for handling assets, Memcached, Modernizr, LESS, Twitter Bootstrap, jQuery, social APIs etc.
December 2011 - Warsaw, Poland

Various Clients

Full Stack Web Developer & Designer

Working on various, local and international projects ranging from small to extra huge.
Currently contracting for US music industry (EMI, Columbia, Sony Music) and helping to build web apps that scale to millions like Katy Perry official website (, Astralwerks label (, internal tools for Columbia Records management and many more.
July 2010 - Warsaw, Poland



Betateam is devoted to making technology better. We’re testing and reviewing IT related products, including websites and web services. Betateam is a valued partner of top tech companies such as Microsoft, Intel, Hewlett-Packard, Seagate, Orange. Certificates upon request.
Prior to founding Betateam I was testing and providing feedback for core Microsoft products such as: Windows Vista, Microsoft Update, Internet Explorer, Windows XP Media Center Edition and many others. I was also testing and reviewing products for Plantronics (audio equipment), Netgear (unmanageable and manageable switches, routers and other network peripherals), Symantec (antivirus solutions), Kingston Technology (newest line of pen drives at the time) and many more.
February 2006 - Warsaw, Poland

IT Storm

UX & QA Engineer

I was writing test cases, scenarios and testing web applications. I was also responsible for designing functionality and interfaces for these applications, so that they would exactly fit user needs.
January 2009 - Warsaw, Poland

Google (via Lionbridge)

Quality Rater

I was helping to improve Google searching quality experience for the Polish speaking users all over the world.
August 2008 - August 2009 Ireland


IT Support Specialist

I was fixing technical networking issues for the world renowned hotel brands such as Hilton, Ritz-Carlton, Sheraton, Marriott and many others. Hotels were located in the United States as well as in the Western Europe.
January 2007 - April 2007 Warsaw, Poland (Microsoft)

Usability Engineer

I was helping in building a web portal used by thousands of Polish IT professionals and .NET programmers. As an Usability Consultant I was overlooking and advising in UI&UX related areas, as well as working on the design. The project was treated as an internship for Microsoft Poland.
July 2006 - October 2006 Warsaw, Poland


Warsaw School Of Computer Science

Bachelor of Science

Multimedia Engineering
October 2005 - April 2009 Warsaw, Poland


Polish (Native),
English (Fluent),
Japanese (Beginner),



Honorable Mention, Life and Work on the Moon Art & Design Contest



3ds Max, CSS3, Git, HTML5, Jquery, Nginx, Photoshop, PHP,

Additional Information

• Dynamic, creative person, willing to learn and develop
• Able to perform both individual and team work
• Attention to detail
• Good decision–making abilities
• Open–minded, willing to meet new people
• Fully prepared to work in flexible hours
• Non–smoker

Authorization note

I hereby authorize you to process my personal data included in my job application for the needs of the recruitment process (in accordance with the Personnel Protection Act of 29.08.1997 no 133 position 883.)