A principal software engineer is a management and technical professional who develops and tests software to help achieve company goals. Principal software engineers work to develop teams while overseeing the technical aspects of computer software projects. 

Principal software engineers develop, document, and test software to ensure that the software meets the needs of end-users and achieves business goals. Principal software engineers provide technical guidance to development teams and oversee the technical aspects of all projects.

Principal Software Engineer Responsibilities:

• Designing, coding, and debugging software.
• Improving the performance of existing software.
• Providing training to other engineers.
• Maintaining and upgrading existing software.
• Recommending new technologies that can help increase productivity.
• Supervising and overseeing the technical aspects of projects.
• Investigating software-related complaints and making necessary adjustments to ensure optimal software performance.
• Regularly attending team meetings to discuss projects, brainstorm ideas, and put forward solutions to any issues.

Principal Software Engineer Requirements:

• Bachelor’s degree in computer engineering/computer science or related field.
• Strong analytical skills.
• Good communication skills.
• Excellent organizational and leadership skills
• Proven experience in high-level programming languages, like Java.
• Proven experience in software development methodologies.
• Proven experience building complex web systems.
• The ability to multi-task.