Gregory Czaja is a Senior Software Engineer at Unicom Systems. He possess expertise in software development, databases, software engineering, distributed systems, device drivers and 10 more skills. He is proficient in German. Colleagues describe him as "One of the best mainframe gurus I have known (z/OS, VM, MVS), with vary broad knowledge of distributed platforms, software lifecycle management, analytics and and DevOps. I have seen Greg find solution where everybody else gave up already. I worked with Greg on some very significant project, database designs to support large manufacturers and, at IBM, software that is right next to the bare bone metal (assembler level debuggers). "