Daniel Tjäder is a Software Engineer @ SJ at SJ AB. He is proficient in Engelska. Colleagues describe him as "I am writing this pin order to recommend Daniel Tjäder during his System Science program at Luleå University of Technology (LTU). I taught Daniel 3 courses: Databases II; Data Mining; & ERP Systems. In all three courses he has attained "VG"; the highest possible grade. The courses are challenging and required both conceptual and hands-on skills. His performance was always up to the level needs and on-time. His presence in class is always felt, as he used to ask good questions and also answer. His interactions in lectures helped others to understand. I do recommend Daniel!" and "I am very pleased to give my very best recommendations to Daniel Tjäder. Daniel was my student in the I0015N Testing of IT systems course, at Luleå University of Technology, and he received the highest grade possible. I’m Todd Booth, a research engineer and teacher, at the University of Technology (Luleå, Sweden). I was given the Teacher of the Year Award. Previously, I was a research engineer and teacher at UCLA. I’ve taught 22 different courses, including courses of Cisco communications and security. I was awarded the Expert Instructor award by Cisco. We covered many different technologies in the course, and some examples of these are Linux, Docker, Google’s GCP, Amazon’s AWS, BugZilla, GitHub and Selenium. Daniel appeared to grasp all these concepts with ease. Daniel is good at problem-solving and managed to solve the ones encountered during the lab assignments independently. Regards, Teacher Todd Booth email: Todd.Booth@Ltu.Se"