Here are some steps you can take to hire ruby on rails developers:

Define the job requirements: Before starting the hiring process, you should have a clear understanding of the job requirements. Identify the skills, experience, and qualifications that you're looking for in a candidate.

Create a job posting: Write a clear and concise job posting that outlines the responsibilities, qualifications, and benefits of the position. Be sure to include information about the required skills and experience.

Post the job: Post the job on relevant job boards, social media, and your company's website. Consider reaching out to Ruby on Rails communities and groups on social media platforms.

Review resumes and portfolios: Once you start receiving applications, review resumes and portfolios to see if the candidates meet your requirements. Look for candidates with experience in Ruby on Rails development and familiarity with related technologies.

Conduct interviews: Conduct initial phone or video interviews to screen candidates. Ask questions about their experience with Ruby on Rails development.