Pros
You can define your schedule. The company is flexible because you can select the hours which you feel more productive. The company offers a lot of benefits to the employees, such as paid gym, free lunch at the office, health insurance, a chance to take a walk for 10-15 minutes, nap time, free parking, laptop insurance, work from home, and others. Collaboration defines Pernix, if you have a problem, people are willing to help you, and pair programming helps employees to feel comfortable in new projects and grow faster. The apprentice program helps new talents to learn new technologies and work on real projects, always accompanied by mentors. So the values of cooperation and teamwork are present in the company.
Cons
There are no cons so far, my experience has been great.