Senior Data Scientist — LLMs, RAG & Production ML

Quantum Technologies. LLC; Raleigh (NC); On-site; USD 120,000 - 180,000; Full time

Job summary

Quantum Technologies. LLC in Raleigh seeks a Senior Data Scientist III to leverage advanced analytics on complex datasets and drive data-driven decision-making.

You will collaborate with cross-functional teams to turn insights into growth opportunities and measurable business impact. The role requires experience with LLMs, RAG, ML/AI engineering, strong Python skills, and mentoring teammates, with exposure to production support alongside software engineers.

Qualifications

• 3+ years of data science experience with LLM tools, RAG implementations.
• Strong Python programming skills.
• Experience maintaining production support with a software engineering team.

Responsibilities

• Experience with machine learning algorithms, including deep learning, gradient boosting, and random forests.
• Experience with large language models and Transformer architectures (BERT, RoBERTa, T5).
• Experience working with large datasets and distributed computing systems (Hadoop, Spark).
• Be experienced in mentoring, training, and acting as a subject matter expert to guide colleagues.
• Collaborate with cross-functional teams to drive data-driven decision-making and growth through actionable analytics.

Skills

LLMs/RAG expertise

Python programming

ML/AI engineering

Mentoring

Education

Bachelor’s degree or higher

Tools

Hadoop

Spark

Job description

Quantum Technologies. LLC in Raleigh seeks a Senior Data Scientist III to leverage advanced analytics on complex datasets and drive data-driven decision-making.

You will collaborate with cross-functional teams to turn insights into growth opportunities and measurable business impact. The role requires experience with LLMs, RAG, ML/AI engineering, strong Python skills, and mentoring teammates, with exposure to production support alongside software engineers.