Data Engineer for LLMs

Job Summary

A company is looking for a Data Engineer to support the development and refinement of high-quality datasets used to train Large Language Models (LLMs).

Key Responsibilities

• Design complex LLM prompts that accurately represent real customer journeys and service interactions
• Partner with Field Engineers to transform raw data into structured, high-quality tasks for model training
• Annotate and review tasks to ensure strict quality standards and alignment with expected customer outcomes

Required Skills & Qualifications

• Native or professional fluency (C1/C2) in English
• Understanding of LLM behavior and prompt engineering principles
• Strong analytical skills with experience in SQL and Python (Pandas, NumPy)
• Experience with annotation tools and advanced proficiency in Google Sheets/Drive
• Familiarity with version control tools (GitHub) and AI/ML tools