Research Engineer, TikTok AI Video Editing

support model training, performance benchmarking, and iterative improvement based on real-world user feedback.

• Integrate state-of-the-art LLM and generative AI advancements into the video editing pipeline to power new capabilities and improve user experience.
• Partner with product designers to envision and implement innovative UI strategies that elevate the creative experience.

Qualifications

Minimum Qualifications:

• Master's degree or PhD in Computer Science, Machine Learning, or a related field.
• Practical experience in training and evaluating machine learning models, particularly in video understanding or generative tasks.
• Familiarity with data processing workflows and building robust pipelines for model training and inference.
• Solid understanding of AI agents and LLM integration, including task planning, multimodal input handling, and agent-driven interaction.
• Proven ability to apply AI capabilities to real-world product scenarios, delivering robust and scalable user-facing features.

Preferred Qualifications:

• Demonstrated experience in developing advanced AI systems, with a focus on applying machine learning in real-world, user-facing applications.
• Direct experience leveraging AI in domains closely tied to video editing, such as automated editing, scene understanding, or content generation.
• Deep understanding of multimedia frameworks and tools, including video pipelines, encoding/decoding technologies, and real-time media processing.
• Proven ability to bridge AI model development with scalable product engineering in cross-functional teams.
• Strong research or engineering contributions in areas such as LLM-driven agents, video synthesis, or AI-enhanced creative tools.

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $145000 - $250000 annually.

Compensation may vary outside of this range depending on a number of factors, including a candidate's qualifications, skills, competencies and experience, and location. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives, and restricted stock units.

Benefits may vary depending on the nature of employment and the country work location. Employees have day one access to medical, dental, and vision insurance, a 401(k) savings plan with company match, paid parental leave, short-term and long-term disability coverage, life insurance, wellbeing benefits, among others. Employees also receive 10 paid holidays per year, 10 paid sick days per year and 17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure).

The Company reserves the right to modify or change these benefits programs at any time, with or without notice.

For Los Angeles County (unincorporated) Candidates:

Qualified applicants with arrest or conviction records will be considered for employment in accordance with all federal, state, and local laws including the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. Our company believes that criminal history may have a direct, adverse and negative relationship on the following job duties, potentially resulting in the withdrawal of the conditional offer of employment:

1. Interacting and occasionally having unsupervised contact with internal/external clients and/or colleagues;

2. Appropriately handling and managing confidential information including proprietary and trade secret information and access to information technology systems; and

3. Exercising sound judgment.