Senior Neo4j Engineer in City of London, London

Senior Neo4j Engineer
Duration - 7 months
Location - London, hybrid - 1-2 days per week on site
£910 per day (Inside IR35)

My client, in the financial industry are looking for a Senior Neo4j Engineer to join their fast-paced team on an initial 7 month contract.

• Can interpret the instruction from the overall solution architect for the project into approaches and tasks in Neo4j, and direct a small engineering team to complete these to high quality
• Designs and builds the Neo4j graph database schemas, translating the target into concrete node/relationship structures
• Defines, develops and maintains ETL/ELT pipelines to ingest, transform, and load data from source systems into the graph
• Designs and defines sub-graph views to control and manage the content available to downstream consumers of the graph
• Writes and optimises Cypher queries for data loading, transformation, and application-facing retrieval
• Implements graph data models that balance query performance with semantic accuracy
• Builds and maintains APIs/integration layers exposing graph data to downstream consumers (including the chatbot)
• Collaborates with the Knowledge Graph Architect to implement ontology, knowledge and schema changes as code
• Supports performance tuning, indexing, and scaling of the Neo4j instance
• Automates data refresh and synchronisation processes between source systems and the graph
• Troubleshoots data integrity and pipeline issues in collaboration with the Quality Engineer
• Documents graph schema and data lineage
• Defines , designs and implements graph quality metrics and measurement techniques to maintain, calculate and display confidence scores
• Defines and designs APOC and Neosemantic processing within Neo4j to identify and deal with orphans, orphaned subgraphs, duplicates and high similarity objects