Data Scientist

R C S Technologies Inc

United States

8 days ago

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Role details

Contract type

Permanent contract

Employment type

Full-time (> 32 hours)

Experience level

Expert

Experience required

4 years minimum

Working hours

Regular working hours

Job source

arc.dev

Tech stack

LangGraph Framework Artificial Intelligence Amazon Web Services Data Analysis Big Data Cluster Analysis Python (Programming Language) Machine Learning NumPy Tensorflow Search Technologies SQL Databases

+13 more

Pytorch Retrieval-Augmented Generation Large Language Models Prompt Engineering Topic Modeling Agentic-AI Pandas Pyspark Scikit Learn Kubernetes Machine Learning Operations Spacy Databricks

Job description

Work with LLMs, embeddings, semantic search, and RAG.

Develop and deploy ML models in production.

Test and improve model accuracy and performance.

Work closely with Data Engineers, Product Managers, and Analytics teams.

Requirements

5+ years in Data Science / ML / AI / NLP.

4+ years building and deploying production ML models.

Strong Python.

Scikit-Learn, Pandas, NumPy.

PyTorch or TensorFlow.

SpaCy.

LangChain or LangGraph.

PySpark.

Strong NLP + Topic Modeling + Classification + Clustering.

Embeddings & Semantic Search.

SQL + Large-scale data processing.

AWS / Cloud experience.

Good to Have

Experience with LLMs / Prompt Engineering / Fine-tuning / Evaluation.

RAG, Vector Search, AI Agents.

SageMaker, MLflow, Kubeflow, Vertex AI, or Databricks.

Customer Experience / Contact Center / Voice of Customer analytics.

Experience with enterprise SaaS environments.

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