Data Scientist AI
Company: Internet Brands
Location: El Segundo
Posted on: January 16, 2026
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Job Description:
Internet Brands and WebMD are looking for a Data Scientist to
join our Los Angeles based headquarters, and work on exciting
personalization initiatives! The position is 5 days a week in the
office. The ideal candidate has a practical background in machine
learning and deep learning, with recent hands-on experience in
natural language understanding, large language models (LLMs),
generative AI applications, retrieval-augmented generation (RAG),
or agentic AI systems. You will be working on various efforts
involving machine learning, product engineers and data scientists
in building projects such as content recommendation,
personalization, and business intelligence models to enhance our
customer experience and business intelligence capabilities.
Responsibilities: • Processing, cleansing, and verifying the
integrity of data used for analysis • Doing ad-hoc analysis and
presenting results in a clear manner. • Experience with feature
synthesis and selection techniques to build models • Solid
understanding of regression, classification algorithms framework •
Apply machine learning techniques at scale on massive data sets •
Working with large language models (LLMs) for applications such as
content summarization, recommendation, and personalization. Apply
RAG (Retrieval-Augmented Generation) pipelines for knowledge
retrieval. • Experiment agentic AI framework to enhance
personalization and automation. • Prior work with model evaluation
benchmarks and large-scale LLM testing frameworks. • Experience
with prompt fine-tuning techniques, LLMs optimization
techniques(pre-training, post-training etc) • Collaborate with
cross-functional agile teams of software engineers, domain experts,
and others to build new product features for multiple business
units. • Collaborate with data scientists across a variety of
businesses to prioritize and promote our machine learning efforts.
Skills and Qualifications: • 2-4 years of data science experience
with expertise in predictive analytics, • B.S., M.S. or PhD in Data
Science, Computer Science, Software Engineering, Information
Science, Mathematics, Statistics, Electrical Engineering, Physics
or related fields or equivalent experience. • Strong understanding
of transformer-based architectures, embeddings, and tokenization
techniques. • Proficiency with LLM frameworks and APIs, such as
LangChain, Hugging Face Transformers, OpenAI, Google Vertex AI
(Gemini), or Anthropic Claude, coupled with expertise in evaluation
and performance benchmarking • Demonstrated ability to implement
prompt engineering, fine-tuning, and evaluation for LLMs. • Strong
understanding of personalization and recommendation algorithms,
including collaborative filtering (CF), content-based filtering,
hybrid recommenders, sequence-based or session-based models, and
graph-based models. • Proficiency in using query languages such as
SQL. • Experience with common data science toolkits, such as R,
Scikit-learn, NumPy, Tensorflow. • This role is 5 days a week
onsite at Internet Brands headquarters in El Segundo, CA
Keywords: Internet Brands, Escondido , Data Scientist AI, IT / Software / Systems , El Segundo, California
