Research Scientist, Responsible AI
Location: On-Site, San Jose, CA

Job Description:

About TikTok
At TikTok, our mission is simple but profound: inspire creativity and bring joy. As the world’s leading destination for short-form mobile video, we’re shaping culture, breaking boundaries, and redefining what it means to connect in the digital age.

Our global headquarters span Los Angeles and Singapore, with vibrant offices in cities like New York, London, Paris, Berlin, Tokyo, and Dubai. Wherever you are, you’ll feel the energy of a team committed to making a difference.

Why TikTok?
At TikTok, we live by a culture of creativity, innovation, and impact. Each challenge is a chance to learn, each idea a spark for change. Status quo? We leave it behind. Courage? It’s in our DNA.

Together, we create, grow, and inspire. Join us, and let’s make every moment count.

About the Team
The Recommendation Algorithm team is at the heart of TikTok’s success. From crafting personalized experiences to driving global platform growth, our team of machine learning researchers and engineers is dynamic, fast-paced, and impact-driven. We innovate every day, making our platform smarter, safer, and more enjoyable for millions of users worldwide.

Your Role – What You’ll Do
As a Research Scientist on our Responsible AI team, you’ll shape the future of how recommendations are delivered, creating a safer and more engaging platform for all.

  • Build the Future: Design and deliver cutting-edge recommendation systems that enhance user experience, strengthen platform security, and grow our content ecosystem.
  • Own the Process: Develop and optimize end-to-end machine learning solutions and infrastructure to solve complex product challenges.
  • Collaborate for Impact: Partner with cross-functional teams to design innovative product strategies and solutions for global growth in key markets.

What We’re Looking For

Minimum Qualifications:

  • Bachelor’s degree in Computer Science or a related field, with 1–3+ years of relevant experience.
  • Proficiency in C++, Python, or other programming languages.
  • Experience in one or more of the following areas:
    • Applied machine learning.
    • Machine learning infrastructure.
    • Large-scale recommendation systems.
    • Market-facing machine learning products.
  • Strong communication and teamwork skills.
  • A passion for tackling tough challenges with innovative solutions.

Preferred Qualifications:

  • A track record of delivering impactful machine learning products.
  • The ability to work independently while thriving in a collaborative environment.
  • A growth mindset with a drive to constantly learn and improve.

Why Join TikTok?
At TikTok, diversity and inclusion are more than just words—they’re part of who we are. We believe in celebrating unique perspectives, fostering collaboration, and creating an environment where everyone belongs.

We also offer:

  • Competitive Compensation: Base salary ranges from $126,000–$221,760 annually, with bonuses, incentives, and stock units.
  • World-Class Benefits: From medical, dental, and vision insurance to a 401(k) savings plan with company match, paid parental leave, and wellness programs, we’ve got you covered.
  • Time to Recharge: Enjoy 10 paid holidays, 10 sick days, and 17 days of personal time (with increasing accruals).

Your Impact Starts Here
Are you ready to join a team that inspires creativity and makes a global impact? At TikTok, you won’t just work on exciting projects—you’ll shape the future of AI and redefine what’s possible.

Apply now and bring your talent, passion, and vision to TikTok. Let’s innovate, create, and grow together.


Key Skills:

  • Research Scientist, Responsible AI