Senior Data Scientist, Agentic AI Platform — Hybrid

Johnson Controls; Portugal; Hybrid; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Competitive salary

Greenfield platform

Azure certification sponsorship

Learning budget

Mentorship opportunities

Hybrid work model

Job summary

Johnson Controls is hiring a Senior Data Scientist to lead the Agentic AI Platform, building autonomous AI agents, planning, reasoning, and executing complex workflows. You will work with LangGraph, LangChain, and Azure cloud services to productionize agentic solutions and mentor the team.

The role focuses on RAG pipelines, model evaluation, and governance, with a flexible hybrid work model and opportunities to shape GenAI initiatives across the organization.

Qualifications

• Experience building LLM or GenAI applications in production.
• Hands-on with agentic frameworks such as LangChain or LangGraph.
• Strong understanding of prompt engineering for LLM workflows.
• Expert-level Python (pandas, NumPy, scikit-learn; async; API development).
• Experience with vector databases and embeddings (Azure AI Search, Pinecone, Weaviate, Qdrant, FAISS, pgvector).
• Strong SQL skills and working with large-scale data.

Responsibilities

• Design, build, and productionize multi-agent systems for agentic workflows.
• Develop end-to-end RAG pipelines including ingestion, embeddings, and re-ranking.
• Integrate agents with enterprise APIs via function calling and MCP-like patterns.
• Build LLM evaluation frameworks and guardrails for governance.
• Fine-tune LLMs (LoRA/PEFT) for Azure OpenAI / Azure AI Foundry.
• Design, build, and evaluate classical ML models to complement agentic workflows.
• Own MLOps for the platform: experiment tracking, CI/CD, observability.
• Collaborate with data engineers on data quality and governance across Azure data lake and Synapse.
• Mentor junior data scientists and lead code/design reviews.

Job description

Johnson Controls is hiring a Senior Data Scientist to lead the Agentic AI Platform, building autonomous AI agents, planning, reasoning, and executing complex workflows. You will work with LangGraph, LangChain, and Azure cloud services to productionize agentic solutions and mentor the team.

The role focuses on RAG pipelines, model evaluation, and governance, with a flexible hybrid work model and opportunities to shape GenAI initiatives across the organization.