Realign LLC

Graph DB Designer/ Senior Developer

⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Graph DB Designer/Senior Developer on a contract basis in Edison, NJ. Key skills include Neo4j expertise, graph data modeling, ETL for graph data ingestion, and integration with APIs. Familiarity with big data platforms is preferred.
🌎 - Country
United States
💱 - Currency
Unknown
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💰 - Day rate
Unknown
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🗓️ - Date
December 10, 2025
🕒 - Duration
Unknown
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🏝️ - Location
On-site
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Edison, NJ
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🧠 - Skills detailed
#Data Ingestion #Neo4J #Database Performance #Schema Design #Amazon Neptune #Graph Databases #Python #Data Integrity #Spark (Apache Spark) #Kafka (Apache Kafka) #Java #Data Modeling #ML (Machine Learning) #Databases #Cloud #Indexing #Data Science #Datasets #SQL (Structured Query Language) #Scala #Big Data #TigerGraph #Visualization #AI (Artificial Intelligence) #Monitoring #HBase #"ETL (Extract #Transform #Load)" #JavaScript
Role description
Job Type: Contract Job Category: IT Role: Graph DB Designer/ Senior Developer Location: Edison, NJ (Onsite) Contract Primary Skills: Expertise in Neo4j (Cypher query language, schema design, indexing) Strong grasp of graph data modeling and relationship design Proficiency in Graph Data Science (GDS) algorithms Experience with graph query optimization and performance tuning Knowledge of ETL for graph data ingestion (LOAD CSV, APOC procedures, Neo4j Admin import tools) Integration with APIs and drivers (Java, Python, JavaScript) Secondary Skills: Experience with other graph databases (like Amazon Neptune, TigerGraph, or Ontotext) Working knowledge of big data platforms and streaming (Kafka, Spark) Familiarity with data warehousing and ETL tools Hands-on experience with graph-based AI/ML applications Responsibilities: Designed and implemented a scalable graph data model to represent complex supply chain networks using Neo4j. Developed Cypher queries to support advanced analytics on transaction and fraud detection. Built and optimized full-text, range, and vector indexes to accelerate query performance on millions of transactions. Developed ETL pipelines with APOC and Neo4j Admin import tool to ingest large datasets efficiently. -Ensure data integrity and governance -Monitor and tune database performance, memory, and query plans to meet SLA requirements for transaction-heavy applications. Build graph visualization for end-user business insights. Automate backup, restore, and uptime monitoring scripts to manage enterprise-grade Neo4j infrastructure. Required Skills CLOUD DEVELOPER SQL APPLICATION DEVELOPER