To whom it may concern: Alireza is an IT Professional that gets bored doing things in the same old ways. This led him into unexplored areas of Domain-Driven Design. For a significant chunk of his waking hours, He is an experienced Software Engineer, OOP expert. He <3 teaching this stuff, too. As a programmer, get paid mostly to work on PHP projects and sometimes in Elixir and Ruby. Recently, He have been focusing on research and write about algorithm design optimizations and pitfalls in programming and misconception in OO. By the way, can't disregard his passion for System Designing. Prefer a total approach: Algorithms, DDD, System Design, Elixir, Ruby, High-level Strategy, Architecture.Follow on Twitter: @alirezarahmani