Creative solutions for your business

33W software is a team of experts creating business products based on the Internet. For many years we have been developing easy to use web and mobile applications, using the best available technologies and solutions. We are designing and implementing software for companies and start-ups.

Meet our team

Adam Sipowicz


Entrepreneur and salesman with over 20 years experience. He worked for General Motors, Deutsche Bank, Saint-Gobain, Isover, Swiss Re, Mercedes-Benz, PMT Marketing System, and Concordia Versicherungen.

Jacek Gadomski

Backend Developer

Designer and software engineer with over 20 years experience. In cooperation with Direct One Group AG, he carried out projects for Sunrise Swiss Mobile, Jaguar Land Rover Switzerland, Robert Aebi GmbH, General Motors Opel/Saab Switzerland.

Jakub Królikowski

Software Tester

QA engineer.

Paweł Krupski

UI/UX Designer

UI/UX Designer with 12 years experience. He worked for,, CHIC Group, British American Tobacco,, and, to name a few.

Piotr Stanikowski

Full Stack Developer

Designer and software engineer with 20 years experience. He designed systems and managed projects for: General Motors, Deutsche Bank, Pfeifer & Langen, Fibaro, Mercedes-Benz,, and PMT Marketing System.

Our recent projects


Quick and safe donations to fundraisers via contactless payments. See more »


Marketplace, which connects customers with local food suppliers. See more »


Mobile fundraiser is a set of gadgets which allow mobile donations to a fundraiser created at charity portal. See more »

What can we do?

Software Development Web Development Mobile Development Cloud Application Development UX Design Product Design Product Management Branding Digital Transformation IoT

Contact us