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Software Engineer- LLM Applications and AI Agents

AT TikTok
TikTok

Software Engineer- LLM Applications and AI Agents

San Jose, CA

Responsibilities

TikTok dominates the global short video space. Join us to accelerate the adoption of AI across TikTok. Our team's mission is to building an Intelligent Operations Agent that empowers our content and creator operations through cutting-edge AI technologies such as LLMs, multi-agent frameworks, and multimodal understanding.

We are looking for highly motivated new graduates with strong engineering foundations and a passion for AI to join our San Jose-based AI Applications team. This role offers the opportunity to work on real-world applications of generative AI across topic generation, AI Agents, content evaluation, user reach optimization, campaign planning and more.

Responsibilities:
- Design and implement intelligent agent systems that automate operational workflows through tool-calling, task planning, and execution orchestration using LLMs and advanced reasoning techniques.

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- Integrate large language models (LLMs) and Retrieval-Augmented Generation (RAG) into real-world business applications to enable dynamic topic generation, user segmentation, and strategy optimization.
- Contribute to the development of multi-agent systems that support complex task coordination across content understanding, creative generation, data analysis, and decision-making.
- Collaborate with cross-functional teams including product managers, algorithm researchers, and infrastructure engineers to build scalable, efficient, and reusable AI-powered systems.
- Stay at the forefront of AI advancements, actively researching and applying the latest techniques in LLMs, agent frameworks, and data development to drive innovation within the team.

Qualifications

Minimum Qualifications:
- Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Software Engineering, Electrical Engineering, or a related field;
- Solid programming skills in at least one mainstream language (e.g., Python, TypeScript, Go, Java);
- Strong interest in generative AI technologies such as LLMs, prompt engineering, and intelligent agents;
- Experience with API development, service integration, or data interface design;
- Effective communication and collaboration skills, especially in cross-functional environments;

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.

Client-provided location(s): San Jose, CA, USA
Job ID: TikTok-7514003738744228114
Employment Type: Other

Perks and Benefits

  • Health and Wellness

    • Health Insurance
    • Dental Insurance
    • Vision Insurance
    • HSA
    • Life Insurance
    • Fitness Subsidies
    • Short-Term Disability
    • Long-Term Disability
    • On-Site Gym
    • Mental Health Benefits
    • Virtual Fitness Classes
  • Parental Benefits

    • Fertility Benefits
    • Adoption Assistance Program
    • Family Support Resources
  • Work Flexibility

    • Flexible Work Hours
    • Hybrid Work Opportunities
  • Office Life and Perks

    • Casual Dress
    • Snacks
    • Pet-friendly Office
    • Happy Hours
    • Some Meals Provided
    • Company Outings
    • On-Site Cafeteria
    • Holiday Events
  • Vacation and Time Off

    • Paid Vacation
    • Paid Holidays
    • Personal/Sick Days
    • Leave of Absence
  • Financial and Retirement

    • 401(K) With Company Matching
    • Performance Bonus
    • Company Equity
  • Professional Development

    • Promote From Within
    • Access to Online Courses
    • Leadership Training Program
    • Associate or Rotational Training Program
    • Mentor Program
  • Diversity and Inclusion

    • Diversity, Equity, and Inclusion Program
    • Employee Resource Groups (ERG)

Company Videos

Hear directly from employees about what it is like to work at TikTok.