LLM Data Scientist — AI Data Prep & Labeling

Delphiventures; San Francisco (CA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Equity

Comprehensive benefits package

Job summary

Delphiventures in San Francisco is seeking a skilled Data Scientist to establish data labeling and preparation for AI applications. The position is integral to transforming raw data into AI-ready datasets, requiring experience with data quality methodologies and familiarity with tools for data annotation. Key responsibilities include developing labeling strategies, optimizing for Large Language Models, and collaborating with engineering. The role offers a competitive salary and benefits package.

Qualifications

• Proven experience as a Data Scientist or Machine Learning Engineer with a focus on data quality and preparation.
• Strong understanding of data labeling methodologies and hands‑on experience with data annotation platforms.
• Demonstrated experience preparing datasets for training and fine‑tuning Large Language Models.

Responsibilities

• Develop Data Labeling Strategies with clear guidelines.
• Research optimal data formats and pre‑processing for LLMs.
• Establish automated processes to analyze data quality.
• Collaborate with engineering to implement data processing pipelines.

Skills

Data preparation and quality

Data labeling methodologies

Python

Data Science libraries (Pandas, NumPy, etc.)

APIs/SDKs for automation

Excellent communication skills

Job description

Delphiventures in San Francisco is seeking a skilled Data Scientist to establish data labeling and preparation for AI applications. The position is integral to transforming raw data into AI-ready datasets, requiring experience with data quality methodologies and familiarity with tools for data annotation. Key responsibilities include developing labeling strategies, optimizing for Large Language Models, and collaborating with engineering. The role offers a competitive salary and benefits package.