Senior Application Security Engineer

San Francisco, CA

Full Time Senior-level / Expert
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About Us

Launched in 2011, Twitch is a global community that comes together each day to create multiplayer entertainment: unique, live, unpredictable experiences created by the interactions of millions. We bring the joy of co-op to everything, from casual gaming to world-class esports to anime marathons, music, and art streams. Twitch also hosts TwitchCon, where we bring everyone together to celebrate, learn, and grow their personal interests and passions. We’re always live at Twitch. Stay up to date on all things Twitch on LinkedIn, Twitter and on our Blog.

About the Role

Twitch is looking for an Application Security Engineer with a desire to play on the Blue Team. Reporting to the Head of Application Security, our mission is to make Twitch's products as secure as they can be for our partners and viewers.

You will apply a holistic security perspective and guide Twitch's products and features from ideation to deployment. You will review code for adherence to security practices and consult product teams looking to try new things safely. Most importantly, you will apply automation to simplify this for you and our developers.

Please consider the responsibilities detailed below to be a mix of expectations and opportunities. We don't expect everyone to already be great at everything. Everything sounds great except for one or two things? Please ask about them. Want to support our team without being on it? Please consider other security roles at Twitch.

You Will:

  • Conduct application security assessments across all Twitch services.
  • Discover weaknesses in Twitch by using diverse tactics including both manual and automated methods (code reviews, threat models, static scans, penetration tests)
  • Analyze the results of security reviews and related findings, document and advise product team of vulnerabilities, exploitability, risk and mitigation.
  • Manage external reports of security vulnerabilities, guiding remediation and making decisions on bug bounties.

You Have:

  • 5+ years relevant experience doing information security work or equivalent BS degree in Information Security, Information Systems, Computer Science, Computer Engineering, or other related fields
  • 3 years of demonstrated application security experience
  • Demonstrated knowledge of network and web protocols, and an in-depth knowledge of Linux/Unix tools and architecture.
  • Software development proficiency (Go, Ruby, Python, Java, C#, or Obj-C/Swift).
  • Background in cloud, host, network, and application security.


  • Medical, Dental, Vision & Disability Insurance
  • 401(k), Maternity & Parental Leave
  • Flexible PTO
  • Commuter Benefits
  • Amazon Employee Discount
  • Monthly Contribution & Discounts for Wellness Related Activities & Programs (e.g., gym memberships, off-site massages),
  • Breakfast, Lunch & Dinner Served Daily
  • Free Snacks & Beverages 

Pursuant to the San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. 

We are an equal opportunity employer and value diversity at Twitch. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.


Job region(s): North America
Job stats:  7  3  0
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