The Role:
We are looking for a Senior Data Scientist for one of our clients. You will lead the design and implementation of graph-based models to solve high-impact problems—ranging from fraud detection and recommendation engines to complex GraphRAG architectures. As a Neo4j specialist, you will turn interconnected data into a strategic competitive advantage for our clients. You are a perfect candidate if you are growth-oriented, you love what you do, and you enjoy working on new ideas to develop exciting products and growth features.
What we are looking for:
- 3+ years of hands-on experience specifically with Neo4j and its GDS library.
- Expert proficiency in Python
- Deep understanding of graph theory, network science, and linear algebra.
- Experience with ETL/ELT pipelines to move data from relational databases or data lakes into Neo4j.
- Proven track record of deploying ML models into production environments (Docker, Kubernetes, or Cloud-native ML platforms).
- Beyond Cypher, a solid grasp of SQL is essential for data preparation.
- Time zone: CET (+/- 3 hours). We are unable to consider applications from candidates in other time zones.
Responsibilities:
- Design and architect scalable graph schemas in Neo4j that represent complex real-world entities and their relationships.
- Use the Neo4j Graph Data Science (GDS) library to implement centrality, community detection, similarity, and pathfinding algorithms.
- Build and productionize machine learning models that leverage graph features (node embeddings, Graph Neural Networks) to improve accuracy over traditional ML approaches.
- Write and optimize complex Cypher queries to extract insights and power real-time applications.
- Collaborate with AI engineers to integrate Knowledge Graphs into LLM workflows, improving the factuality and context-awareness of generative AI solutions.
- Use tools like Neo4j Bloom or Linkurious to translate complex graph insights into actionable stories for stakeholders.
What we offer:
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