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Data Engineer Neo4J

Summary

Designs and optimizes Neo4j graph models for banking data to detect fraud patterns using GDS algorithms and builds real-time investigation dashboards for AML teams.

AVN Digital Pte Ltd is a reputed global IT professional services company headquartered in Singapore. Our service spectrum includes enterprise solution consulting, business intelligence, business process automation and managed services. We serve a client base across banking and financial services, insurance, information technology, healthcare, retail and supply chain.

Responsibilities

  • Model Complex Banking Data in Neo4j: Design and implement graph data models representing customers, accounts, transactions, devices, and their interconnected relationships.
  • Apply Graph Data Science (GDS) Algorithms: Leverage Community Detection, Link Prediction, Node Embeddings, and Pathfinding algorithms to uncover hidden fraud patterns and suspicious networks.
  • Build Real-Time Investigation Dashboards: Develop interactive visualisations using Neo4j Bloom to empower Risk and AML teams with actionable insights.
  • Collaborate Across Teams: Partner with Risk Management, Anti-Money Laundering (AML), Compliance, and Data Science teams to translate business requirements into technical solutions that reduce fraud losses.
  • Optimise Performance: Ensure scalability, performance tuning, and reliability of graph databases in production environments.
  • Drive Innovation: Stay current with emerging graph technologies and fraud detection techniques, and contribute to continuous improvement of analytics capabilities.

Qualifications

  • Must-Have: 5–6 years of overall IT experience, with 2+ years of hands-on experience working with Neo4j, Cypher query language, and Graph Data Science (GDS) library.
  • Strong proficiency in Python for ETL pipelines, data processing, and integration with Neo4j GDS workflows.
  • Solid understanding of graph database concepts, including data modelling, indexing, query optimisation, and performance tuning.
  • Experience applying GDS algorithms such as Community Detection (Louvain, Label Propagation), Link Prediction, Node Embeddings (Node2Vec, GraphSAGE), and Centrality measures.
  • Familiarity with Neo4j Bloom or similar graph visualisation tools for building investigative dashboards.
  • Experience in the Banking, Fraud Detection, or AML domain is highly preferred.
  • Strong analytical and problem-solving skills with the ability to translate complex business requirements into technical solutions.
  • Excellent communication and collaboration skills to work effectively with cross-functional teams.
  • Good-to-Have: Experience with other graph databases (e.g., Amazon Neptune, TigerGraph, JanusGraph).
  • Knowledge of machine learning frameworks (e.g., scikit-learn, TensorFlow, PyTorch) and integrating ML models with graph analytics.
  • Familiarity with cloud platforms (AWS, Azure, GCP) and deploying Neo4j in cloud environments.
  • Understanding of data streaming technologies (Kafka, Kinesis) for real-time fraud detection pipelines.
  • Experience with CI/CD pipelines, Infrastructure as Code (Terraform, CloudFormation), and DevOps practices.
  • Knowledge of regulatory frameworks related to AML, KYC, and financial crime compliance.
  • Neo4j Certified Professional or Graph Data Science certification is a plus.
  • Bachelor's or Master's degree in Computer Science, Data Science, Information Technology, or a related field.
  • 5-6 years of experience in IT production, preferably in banking or financial services.
  • Good problem-solving skills and ability to work under pressure in a fast-paced environment.
  • Strong communication skills with the ability to liaise effectively across teams.

What’s on Offer

  • You will be remunerated with an excellent base salary and entitled to attractive company benefits.
  • Opportunity to enjoy a fun and collaborative work environment, alongside strong career progression.

See also