Ruby Instrumentation Engineer

Baltimore, MD
About the Position
At Contrast, our goal is the make the Internet safer day by day. We are always interested in meeting talented and creative technologists who share this goal. We’ve built some amazing technology thus far and are shaking up the way the world looks at application security. We know that our products can get better with new voices and ideas.
Contrast is looking for a talented Ruby application developer to join our team, engineering a world-class instrumentation agent for analyzing the security of Ruby web applications. An ideal candidate is incredibly proficient in Ruby. He or she likely has professional Ruby, Rails and Gems experience, including some experience contributing to open source frameworks and/or libraries, this could be a great opportunity for you to deepen your understanding of Ruby’s unique characteristics.


    • Build many variations of simple to complex web applications in Ruby using Rails, Rack, Sinatra and/or Padrino for our instrumentation agent to analyze to detect security vulnerabilities at run-time.
    • Contribute to the development of our instrumentation agent written in Ruby, C and Protobuf.
    • Perform forensic investigations when the agent negatively impacts the performance of functionality of instrumented web applications.

About You

    • You can join us in our office in Baltimore.
    • You must love to code and have a strong passion for making software more secure.
    • You’re a true scientist and think about algorithms and regular expressions while you sleep.
    • You’re a Ruby expert with a strong understanding of Rails and Linux (Ubuntu).
    • Experience writing Ruby using Rails, Rack, Sinatra and/or Padrino.
    • Experience and/or increasing interest working with Protobuf
    • Experience with popular Ruby ORM frameworks like Active Record, Sequel, Mongoid, Lotus::Model and/or DataMapper.
    • Experience building Ruby packaging tools such as bundler, RVM and Ruby Gems.
    • You approach problems from a product perspective, thinking through how the user will interact with what you're building.
    • You have strong communication skills. You ask questions, let others know when you need help, and tell others what you need.
    • You're a problem solver. You believe the best work is the result of finding the simplest solution to complex challenges.

What We Offer

    • Competitive compensation
    • Medical, dental, and vision benefits
    • Flexible paid time off
    • Daily in-office lunches
    • 401K
    • Professional Development Budget
Are you looking to make a difference? Are you a problem solver, but want to be challenged with complex and interesting problems. Do you believe the best work is the result of finding the simplest solution to complex challenges? Do you long to be an early contributor to a product and a company culture? Do you ever wish you were there in the early days of these startups everyone is talking about? If that’s the case, we definitely want to hear from you!

Please include a link to your Github or BitBucket account, as well as any links to some of your projects if available.

By submitting your application, you are providing Personally Identifiable Information about yourself (cover letter, resume, references, or other employment-related information) and hereby give your consent for Contrast Security, and/ or our HR-related Service Providers, to use this information for the purpose of processing, evaluating and responding to your application for current and future career opportunities. Contrast Security is an equal opportunity employer and our team is comprised of individuals from many diverse backgrounds, lifestyles and locations.