Andrew Rzeznik is a Software Development Engineer at AWS Cryptography with interests in distributed systems, languages, tooling, IoT, and low-level programming. His primary working language is Rust but he considers himself a polyglot, having worked in C, C++, Python, Java, C#, and many others. Before AWS Andrew worked in various software positions,with a primary focus in factory automation. He developed robust yet accessible distributed machine control frameworks to bring advanced software patterns and techniques to manufacturing. He also served as a consultant where he debugged manufacturing issues at various firms. Andrew received his PhD in Mathematics from MIT, where he wrote simulations for ocean mining plumes and tested them aboard a research vessel at sea.