ExaTech Inc
Sr. Data Scientist
Full Time · In Office · Houston, Texas (USA)
Posted Sep 14, 2026
Work Options
Industry
Positions
Job Type
Position Group
- Role: Senior Data Scientist – GenAI / RAG
- Location: Houston, TX (Onsite – 3 Days)
Type: Full-Time
Focus: We need candidates with real hands-on experience in Agentic AI and Traditional Data Science, not candidates who have only recently started exploring GenAI/LLMs. Continuous production implementation experience is preferred.
- What the Hiring Team is Looking For
- Traditional Data Scientists who have evolved into GenAI/Agentic AI solutions.
- Candidates who can discuss end-to-end problem solving, feature engineering, predictive analytics, model selection, and solution design.
- Hands-on experience designing and implementing RAG, LLM, and Agentic AI solutions.
- Strong understanding of business use cases and ability to interact with customers and stakeholders.
- Ability to explain architecture decisions, technical trade-offs, and implementation approaches.
- Mandatory Skills
- Strong Data Science background
- Strong Machine Learning implementation experience
- Hands-on LLM & RAG architecture and implementation
- Experience with Agentic AI concepts and workflows
- Strong client-facing / consulting and stakeholder communication skills
- Exposure to Deep Learning concepts and implementations
- Experience with cloud AI platforms such as AWS Bedrock, Azure OpenAI, or Vertex AI
Job Description
- Strong hands-on experience in Agentic AI and Multi-Agent Systems
- Experience with LangGraph, LangChain, MCP (Model Context Protocol), tool calling, agent orchestration
- Strong RAG implementation experience including Vector Databases, Hybrid Retrieval, Reranking, Knowledge Graphs
- Hands-on experience with AWS Bedrock and enterprise GenAI solutions
- Strong Python and SQL skills
- Solid Traditional Data Science / Machine Learning background:
- Classification
- Regression
- Forecasting
- Anomaly Detection
- Feature Engineering
- Model Evaluation
- Experience with XGBoost, CatBoost, Random Forest, Deep Learning frameworks (PyTorch/TensorFlow)
- Experience designing and deploying production AI/ML systems
- Understanding of MLOps / LLMOps, model monitoring, evaluation, observability, and retraining pipelines
- Ability to translate business problems into ML or Agentic AI solutions
- Experience with LLM Evaluation, Hallucination Detection, Groundedness and Retrieval Quality metrics
- Exposure to Databricks, Spark, Vector Databases, APIs, Cloud Platforms (AWS preferred)
- Key Responsibilities
- Build and deploy RAG (Retrieval-Augmented Generation) systems & AI chat interfaces
- Work closely with client data science teams (ML/DL ecosystems)
- Develop GenAI-based enterprise knowledge solutions
- Collaborate directly with stakeholders and customers
- Tech Environment
- AWS ecosystem
- Snowflake (data platform)
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Sr. Data Scientist
ExaTech Inc
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