A Junior Backend Software Engineer should have a solid understanding of programming languages like Java, Python, or Node.js, as well as knowledge of data structures, algorithms, and basic database management. Familiarity with frameworks (such as Spring or Django), RESTful APIs, version control systems like Git, and cloud platforms is often required. Strong problem-solving abilities, attention to detail, and effective communication help junior engineers collaborate and learn within development teams. These skills ensure code quality, system reliability, and growth in a fast-paced technical environment.