Director of Applied Science – Ad Products

Save to Kiter
What Twitch is looking for in applicants

About Us

Twitch is the world’s biggest live streaming service, with global communities built around gaming, entertainment, music, sports, cooking, and more. It’s where millions of people come together to chat, interact, and make their own entertainment. 

We’re about community, inside and out. You’ll find coworkers who are eager to team up, collaborate, and smash (or elegantly solve) problems together. We’re on a quest to empower live communities, so if this sounds good to you, see what we’re up to on LinkedIn and Twitter, get interviewing tips on Instagram, and discover projects we’re solving on our Blog.

About the Role

Twitch's Ad Products Machine Learning team builds advanced machine learning models and scalable infrastructure to address hard problems in the area of ad opportunity identification and optimization. This work is critical to improving the monetization opportunities for our streamers as well as protecting the viewing experience of their communities. We are seeking an Applied Science Manager who has a solid background in applied Machine Learning, deep passion for building data-driven products, and has a proven track record of leading both applied scientists and software engineers to execute complex projects and deliver business impacts. You will work cross-team with product and program leadership, and will see your work used to power the ad experience across Twitch. Your work will be fundamental in helping streamers make a living doing what they love.

You can work in San Francisco, CA or Seattle, WA

You Will:

  • Lead a group of applied scientists and software engineers to deliver machine-learning and AI solutions to production
  • Advance team's engineering craftsmanship and drive continued scientific innovation as a thought leader and practitioner
  • Develop science and engineering roadmap, run Sprint/quarter and annual planning, and foster cross-team collaboration to execute complex projects
  • Perform hands-on data analysis, build machine-learning models, run regular A/B tests, and communicate the impact to senior management
  • Hire and develop top talents, provide technical and career development guidance to both scientists and engineers in the organization

You Have:

  • 5+ years as an Engineering/Science Manager
  • 6+ years of overall technical experience, including deep technical knowledge of data centric production systems or ML/analytics projects
  • Demonstrated team building skills – ability to hire, develop and motivate staff members, and to bring people together
  • Experience delivering systems or products
  • Explain technical concepts to senior leadership and to non-technical audiences
  • Ability to manage and quantify improvement in the customer experience or the value for our business resulting from research outcomes

Bonus Points

  • Advanced degree (MS/PhD) in Computer Science, Machine Learning, Statistics, or a related field
  • Experience of AWS and big data analytics technologies
  • Knowledge of recommendation algorithms and systems


  • Medical, Dental, Vision & Disability Insurance
  • 401(k)
  • Maternity & Parental Leave
  • Flexible PTO
  • Amazon Employee Discount
  • Monthly Contribution & Discounts for Wellness Related Activities & Programs (e.g., gym memberships, off-site massages, etc.)


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.

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

The base pay range for this position in Colorado, Connecticut and Washington is $231,570 - 283,030 yr. Pay is based on market location and may vary depending on job-related knowledge, skills, and experience. A sign-on payment and restricted stock units may be provided as part of the compensation package, in addition to a full range of medical, financial, and/or other benefits, dependent on the position offered. Applicants should apply via Twitch's internal or external careers site.

Twitch values your privacy. Please consult our Candidate Privacy Notice, for information about how we collect, use, and disclose personal information of our candidates.

Job ID: TW7254

Want some tips on how to get an interview at Twitch?

What is Twitch looking for?
If this role looks interesting to you, a great first step is to understand what excites you about the team, product or mission. Take your time thinking about this and then tell the team! Get in touch and communicate that passion.
What are interviews for Director of Applied Science – Ad Products like?
Interview processes vary by company, role and team. The best plan is to see what others have experienced and then plan accordingly.
How to land an interview at Director of Applied Science – Ad Products ?
A great first step is organizing your path to an offer. Check out Kiter for tools to get started!