Grzegorz Kielar is a seasoned software engineer with extensive experience in full stack development and technical leadership. Currently serving as a Senior Full Stack Engineer at Brand24 since April 2024, Grzegorz has also held mentoring roles at ItTicket and served as Architekt Możliwości at Kielnia Kodu. Prior to this, Grzegorz worked as a Senior Software Engineer at Flexiroam and as a Technical Lead at Ready4S. Additional experience includes positions as a Senior Software Developer at Studio Software and Netins Software Sp. z o. o., and as a Programista at Getin Noble Bank S.A. Grzegorz holds a Master of Engineering in Internet Applications from Politechnika Lubelska and an Engineer's degree in Computer Networks from Politechnika Rzeszowska im. Ignacego Łukasiewicza.