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TikTokVerified from TikTok's careers page · TikTok

Senior/Staff LLM Application Engineer - Data Application

  • San Jose, California, USA
  • On-site
  • First seen Nov 15, 2026

Visa sponsorship: the posting does not say.

TikTok had H-1B petitions approved for 454 workers in fiscal year 2026 (USCIS). That is history, not a promise for this role. See the record

At a glance

Senior/Staff LLM Application Engineer - Data Application at TikTok, an on-site role based in San Jose, California, USA. First seen on RealAnalystJobs on 15 November 2026, read from TikTok's own careers page (TikTok), which RealAnalystJobs re-checks daily and removes the role when it closes. TikTok has approved H-1B petitions on USCIS record (employer-wide, not a promise for this role).

Similar roles on RealAnalystJobs, as of 15 November 2026

About this role

Team Introduction: We are an agile, cross-functional team leveraging the company-wide data platform infrastructure to explore the integration of large language models (LLMs) with data products. Our mission is to innovate next-generation solutions for data querying and analytics—covering key scenarios such as A/B testing and BI dashboards—by harnessing LLMs and peripheral technologies. Ultimately, we aim to deliver end-to-end solutions that rival the capabilities of human engineers and analysts. As a member of our team, you are expected to: 1. Actively contribute to the development and iteration of intelligent data products. 2. Continuously analyze user feedback, build business insights, and apply technical expertise to identify and resolve issues. 3. Closely monitor, learn, and adopt cutting-edge industry technologies. Qualifications Minimum Qualifications: 1. Familiarity with data products, including foundational knowledge of data production, querying, and analytics, as well as related ecosystems. 2. Solid understanding of concepts and technologies in LLM application development (e.g., prompt engineering, knowledge retrieval, agentic systems, benchmarking); hands-on experience is a strong plus. 3. Proficiency in Python and other programming languages, with strong coding skills. Preferred Qualifications: 1. Proven experience in data product development or domain-specific data analysis. 2. In-depth understanding and hands-on experience in areas such as LLM fundamentals, fine-tuning, evaluation, and application ecosystems.

Description from TikTok's public careers feed, reproduced so you can read the role here. Apply on the company's own site; RealAnalystJobs never submits anything for you.

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