Marek Czajkowski is a Senior Big Data Developer at RTB House. He possess expertise in integration, software development, unix, java, telecommunications and 26 more skills. He is proficient in German, Romanian and English. Colleagues describe him as "I've worked with Marek for many years: while I was QA Engineer and he was a PM, afterwards when I've taken the challenge for the PM role, he was my mentor and my line manager. In both roles, he provided me the level of independence and support required to grow; he was always there when needed. During the years I was also impressed by his ability to combine a strong technical background with excellent managerial skills. He could easily manage discussions with both architects and… Show more" and "I highly recommend Marek for software development and technical leadership. We worked together for many years and I was impressed by Marek’s ability to solve software problems and consult based on his expertise. Also, as a team leader he got to know each team member at the level needed to motivate them for delivering complex projects. In the management team, his simple questions and fresh opinions helped to get a debate closer to a final resolution. So, I recommend Marek as a smart and… Show more"