Mustafa Acar is a skilled Back End Developer with extensive experience in software architecture and migration projects. Currently employed at Retter.io since April 2024, Mustafa previously contributed to Yıldız Tech, focusing on the migration of the "Cepteşok" project utilizing Kotlin and Spring within a Domain-Driven Design (DDD) framework. Prior roles include improving cloud-native serverless applications at istegelsin using AWS technologies, particularly in payment systems, and designing scalable architectures at emlaksitem.com, where Mustafa developed containerized microservices following a service-oriented architecture model.