View All num of num See all Photos Mastech This employer has taken extra steps to respond to reviews and provide job seekers with accurate company information, photos, and reviews. Interested for your company?Learn More. www.mastech.com Employer Engaged Overview Reviews Salaries Interviews Jobs Photos Benefits 78 Reviews 3.2k Salaries 23 Interviews Follow Add Review or Salary Follow Add Review or Salary Interview Question Senior Architect Interview Bloomington, IL Mastech What design patterns I used and why? Tags: design patterns See more , See less 8 Answer Add Tags Answer Interview Answer 1 Answer ▲ 0 ▼ Explained the need for design pattern and what patters I choosed to use and why. Interview Candidate on 2010-08-02 Add Answers or Comments To comment on this, Sign In or Sign Up.