Middle Backend Developer

OOP & ProgrammingSolid OOP and programming fundamentals. Able to write clean, readable, and maintainable code.Database KnowledgeGood understanding of relational databases (MySQL / PostgreSQL), including schema design, indexing, transactions, and basic locking concepts.System DesignAble to design database structures and backend logic for medium-scale features with performance and scalability in mind.Framework ExperienceHands-on experience with MVC frameworks (e.g. Ruby on Rails, Express, NestJS). Understands controller–service–model responsibilities clearly.Debugging & TroubleshootingCapable of debugging issues, reading logs, and fixing bugs in staging and production environments.Learning MindsetProactive in learning and applying new technologies, tools, and best practices.