RAG Platform AI Engineer - Data-Driven Optimizer

1UP Training (Netherlands); Utrecht; Hybrid; EUR 90,000 - 125,000; Full time

Job summary

1UP Training is seeking an AI Engineer to advance a Retrieval-Augmented Generation (RAG) platform. You will enhance data-driven experiments, improve retrieval and answer quality, and translate findings into production-grade improvements.

You’ll work at the intersection of information retrieval, data science and software engineering, collaborating with platform, data science and product teams in Utrecht. Fluency in English is required, and a master’s degree with 3+ years in ML or applied AI is

Qualifications

• Master’s degree or equivalent in a related field.
• 3+ years of experience in ML or applied AI.
• Track record improving production-grade RAG or retrieval AI.
• Experience designing evaluation methods and metrics.
• Ability to turn analysis into automated production solutions.
• Experience with large datasets and distributed systems.
• Excellent communication to technical and non-technical stakeholders.
• Strong written and spoken English.

Responsibilities

• Improve retrieval performance, answer quality and user experience through analysis and optimization.
• Investigate low-quality answers and identify grounding issues.
• Develop automated evaluation frameworks for retrieval and answer quality.
• Run large-scale experiments on chunking, embeddings and retrieval strategies.
• Analyze user interactions and Databricks data to find improvement opportunities.
• Build feedback loops to identify weak responses and drive improvements.
• Define and monitor quality metrics for measurable releases.
• Translate analysis into scalable engineering solutions.
• Collaborate with software engineers, data scientists and product managers.

Skills

RAG & LLMs

Python

Databricks

Evaluation metrics

Data pipelines

Azure & CI/CD

Embedding models

Prompt optimization

Experimentation

Education

Master's degree in Data Science / AI / CS

3+ years in ML or data science

Tools

Databricks

Job description

1UP Training is seeking an AI Engineer to advance a Retrieval-Augmented Generation (RAG) platform. You will enhance data-driven experiments, improve retrieval and answer quality, and translate findings into production-grade improvements.

You’ll work at the intersection of information retrieval, data science and software engineering, collaborating with platform, data science and product teams in Utrecht. Fluency in English is required, and a master’s degree with 3+ years in ML or applied AI is