Senior Software Engineer, AI & Agent - TikTok Ecosystem & Platform

Senior Software Engineer, AI & Agent - Tik Tok Ecosystem & Platform

Location:

San Jose

Employment Type:

Regular

Job Code: A126397A

About the Team

The Tik Tok PGC-Ecosystem & Platform team is a global team responsible for ensuring the health and sustainable growth of the content ecosystem. We take on the responsibility of building next-generation backend systems powered by AI and Agents, collaborating with product managers, data scientists, and strategy operations teams. Together, we develop intelligent content understanding, risk identification systems, and automated governance platforms—utilizing cutting‑edge technologies like LLMs and RAG—to ensure high-quality content distribution and a fair, creative environment for users and creators worldwide.

As a core backend engineer, you will go beyond routine coding to design and implement intelligent, scalable solutions. You will work at the intersection of business logic and cutting-edge technology to drive ecosystem efficiency.

• Collaborate with product managers and data scientists to design and implement backend architectures that integrate LLMs and Agent‑driven workflows into real‑world business scenarios.
• Design and maintain high-performance backend services, ensuring system reliability, scalability, and extensibility to support complex ecosystem governance logic.
• Deeply understand Tik Tok’s product ecosystem to develop and deploy end‑to‑end technical solutions that address content quality and platform integrity.
• Drive engineering best practices within the team, solving complex technical challenges while growing alongside a team of high‑caliber engineers.
• Actively contribute your technical expertise and perspectives to the product development lifecycle, helping the team iterate and scale effectively.

The base salary range for this position in the selected city is $212,800 - $387,600 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.

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.

Tik Tok is committed to providing reasonable accommodations in our recruitment processes for candidates with disabilities, pregnancy, sincerely held religious beliefs or other reasons protected by applicable laws. If you need assistance or a reasonable accommodation, please reach out to us at