To thrive as a Ruby Developer Part Time, you need strong programming skills in Ruby, experience with Ruby on Rails frameworks, and a good grasp of database design and testing methodologies. Familiarity with version control systems like Git, agile development tools, and cloud platforms is commonly expected, along with relevant certifications being an added advantage. Effective time management, clear communication, and the ability to collaborate remotely are crucial soft skills for this position. These skills and qualities are important to ensure efficient project delivery, effective teamwork, and the ability to adapt to evolving technical requirements in a flexible part-time schedule.