Andy is a freelance instructor and consultant, with almost 40 years of experience in IT development and training. Andy began his professional career in C/C++ and has worked with many languages over the years, including Java, Kotlin, C#, Python, and Rust. Andy has experience in a wide range of development activities and technologies, including full stack systems, containerization, cloud platforms, big data, data science and more. You can join Andy on LinkedIn at www.linkedin.com/in/andy-olsen-481496, and you can reach him at andyo@olsensoft.com. Away from work, Andy enjoys running, skiing, and copious coffee stops by the seaside.