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TikTok · 1 day ago

Senior/Staff LLM Application Engineer - Data Application

San Jose, CA

Full-time

Onsite

Senior Level, Lead/Staff

$187K/yr - $438K/yr

TikTok is the leading destination for short-form mobile video. They are seeking a Senior/Staff LLM Application Engineer to contribute to the development of intelligent data products by integrating large language models with data querying and analytics solutions.

Content CreatorsContent DiscoveryMedia and EntertainmentSocial MediaVideo

H1B Sponsor Likely

Responsibilities

Actively contribute to the development and iteration of intelligent data products

Continuously analyze user feedback, build business insights, and apply technical expertise to identify and resolve issues

Closely monitor, learn, and adopt cutting-edge industry technologies

Qualification

LLM application developmentPythonData product developmentData queryingData analytics

Required

Familiarity with data products, including foundational knowledge of data production, querying, and analytics, as well as related ecosystems

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

Proficiency in Python and other programming languages, with strong coding skills

Preferred

Proven experience in data product development or domain-specific data analysis

In-depth understanding and hands-on experience in areas such as LLM fundamentals, fine-tuning, evaluation, and application ecosystems

Benefits

Medical, dental, and vision insurance

401(k) savings plan with company match

Paid parental leave

Short-term and long-term disability coverage

Life insurance

Wellbeing benefits

10 paid holidays per year

10 paid sick days per year

17 days of Paid Personal Time (prorated upon hire with increasing accruals by tenure)

Company

TikTok

Glassdoor3.4

TikTok is a short-form video entertainment app and social network platform. It is a sub-organization of ByteDance.

Founded in 2003

Los Angeles, California, USA

10001+ employees

https://www.tiktok.com

H1B Sponsorship

TikTok has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (979)

2024 (601)

2023 (387)

2022 (322)

2021 (133)

2020 (72)