Bart is an excellent UI/UX designer that strives to understand every aspect of your product before he dives into it. He has an unwavering attention to detail, extraordinary focus on the product he is building, and creativity about how he approaches UX - all while burning the midnight oil to deliver on time. On many occasions his suggestions on UI have created key shifts in the level of usability of our product. Bart has also been accommodating of unrealistic timelines and has always delivered code with high quality, minimal defects and with a great deal of thought. On top of all of that, he is very friendly and easy to work with.