Senior Data Science Engineer

About the role

Avenga is looking for a Senior Data Science Engineer to lead the development of the core engine behind an advanced AI assistant. You will work on Agentic AI, retrieval‑augmented generation, LLM orchestration and ensure answer quality, turning simple Q&A into reliable, secure customer‑request execution.

Key responsibilities

• Design, develop and enhance the AI assistant engine with a focus on Agentic AI and RAG techniques.
• Build and optimise intelligent workflows, retrieval pipelines and answer‑grounding mechanisms.
• Collaborate with cross‑functional teams to deliver scalable AI services in production.
• Continuously monitor system performance, conduct evaluations and iterate on improvements.
• Contribute to the evolution of modern AI solutions, including LLM orchestration and deployment strategies.

Required profile

• Master’s degree (WO) in AI, Machine Learning, Data Science or a related field.
• 3‑6 years of experience as a senior data scientist or AI engineer.
• Strong focus on Generative AI and deep knowledge of AI/ML, data science and telecom concepts.
• Hands‑on experience with Agentic AI, vector databases, RAG systems and chunking methods.
• Proficiency with at least one LLM framework such as Langchain, Langgraph, Llamaindex, AutoGen or Pydantic.

Required skills

• Python programming.
• API development.
• SQL and Git.
• Docker, Github Actions/Runner (nice‑to‑have).
• Airflow (nice‑to‑have).
• AWS cloud services and on‑prem deployment.
• Langchain, Langgraph, Llamaindex, AutoGen, Pydantic.
• Vector databases, RAG pipelines, chunking techniques.
• LLM orchestration, Generative AI, text‑to‑image models.
• Google AI stack for NLP (plus).