Fullstack Engineer - TikTok PGC AI Platform

- Responsible for developing our AI Platform by using cutting-edge AI technologies such as LLM, MLLM, RAG, and Agents.
- Work closely with product managers, algorithm teams, and other cross-functional stakeholders to tackle complex, high-impact problems.
- Design and evolve system architecture to ensure scalability, performance, and reliability. Build robust infrastructure to integrate LLM capabilities into real-world business applications.
- Learn how TikTok core products work, and discover the magic underlying systems that power the fastest-growing platform on the planet.

Qualifications

Minimum Qualifications:
- BA/BS Degree in Computer Science or related major.
- Proficiency in at least one of the following programming languages: Golang, Python, or JavaScript, along with familiarity with common development frameworks and tools.
- Curiosity towards new technology and outstanding ability to analyze and solve problems.
- Practical experience working with genAI/LLM systems, AI agents, and related data processing workflows

Preferred Qualifications:
- Active participation in open-source projects and strong familiarity with the AI/ML community.
- Solid understanding of machine learning fundamentals, deep learning frameworks (e.g., PyTorch, TensorFlow), and widely used AI development tools.
- Deep passion for AI - you think about it, read about it, and build with it every day.

Job Information

[For Pay Transparency] Compensation Description (annually)

The base salary range for this position in the selected city is $118657 - $177000 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.