Senior Search Engineer – Large-Scale ML & IR

TikTok USDS Joint Venture; San Jose (CA); On-site; USD 187,000 - 360,000; Full time

Job summary

TikTok USDS Joint Venture LLC is building and owning TikTok's search engine to provide users the best search experience. You’ll work on full-stack search infrastructure and combine information retrieval with modern ML methods from NLP, CV, and recommender systems.

The team values self-direction, curiosity, openness, and problem-solving. On-site presence across teams enables faster delivery and closer collaboration as the company shifts to a fully in-person schedule up to 5 days a week.

Qualifications

• BS degree in Computer Science, Computer Engineering, or other relevant majors.
• At least 3+ years of experience in developing and implementing large-scale consumer-facing services and/or backend systems.
• Proficiency in C/C++, Python, Java or Golang; strong teamwork skills.

Responsibilities

• Architect and optimize large-scale search infrastructure to improve efficiency and latency.
• Improve search quality to provide the best user experience.
• Apply ML and information retrieval techniques to enhance search relevance and perception.
• Develop core systems including query understanding, ranking, and reliability.

Skills

C/C++

Python

Java

Golang

Team communication

Education

BS in Computer Science or related

Tools

pprof

perf

gperftools

Job description

TikTok USDS Joint Venture LLC is building and owning TikTok's search engine to provide users the best search experience. You’ll work on full-stack search infrastructure and combine information retrieval with modern ML methods from NLP, CV, and recommender systems.

The team values self-direction, curiosity, openness, and problem-solving. On-site presence across teams enables faster delivery and closer collaboration as the company shifts to a fully in-person schedule up to 5 days a week.