Sr Data Scientist

Senior Data Scientist III

Beacon Hill was founded to set a new standard in search, career placement, and flexible staffing.

Must Haves

4+ years of data science experience

Hands-on experience with large language models (LLMs)

Python programming skills

Experience building or implementing RAG (Retrieval-Augmented Generation) pipelines

Nice to Haves

Strong promotional track / tenure in past roles

Large enterprise experience

Client Day-to-Day

As a Senior Data Scientist III, you will use your advanced analytical and machine learning skills to extract insights from large-scale data and develop scalable AI / ML solutions. You'll collaborate cross-functionally with engineering, product, and data teams to deliver innovative, production-ready models. You will also work closely with stakeholders to design and implement RAG-based architectures, integrating external knowledge sources (e.g., vector databases, semantic search) to improve LLM performance for enterprise use cases.

Responsibilities :

• Develop and deploy models using machine learning algorithms such as deep learning, gradient boosting, and random forests
• Apply LLMs in real-world applications, including RAG pipelines and hybrid retrieval techniques
• Work with transformer-based models such as BERT, RoBERTa, T5, GPT-3.5, GPT-4, Claude, Mistral, etc.
• Build and manage pipelines using distributed computing frameworks (e.g., Spark, Hadoop)
• Write production-quality code using Python or other modern languages
• Lead or mentor junior team members and serve as a subject matter expert

Beacon Hill is an equal opportunity employer and individuals with disabilities and / or protected veterans are encouraged to apply. California residents : Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.

Company Profile : Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services.

Benefits Information : Beacon Hill offers a robust benefit package including, but not limited to, medical, dental, vision, and federal and state leave programs as required by applicable agency regulations to those that meet eligibility.