Ulrich Cech is a developer/architect at Deposit Solutions in Hamburg who became MongoDB certified in 2016. He first discovered MongoDB while working on a gaming platform and was impressed by its ease of use compared to relational models. Ulrich uses MongoDB for his private projects, including a document-to-object-mapper, and is interested in employing it for a new Microservices project at Deposit Solutions. He finds the certification process to be affordable and valuable, as it demonstrates his ability to self-educate and gain hands-on knowledge of the database. Ulrich's greatest takeaway from his experience getting certified is the importance of gaining practical knowledge of MongoDB, which can be beneficial in finding a suitable job opportunity in the Big Data environment.