Neo4J SME

Brillio, LLC

St. Louis (MO)

Hybrid

USD 120,000 - 180,000

Full time

14 days+

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Job summary

Brillio, LLC is seeking a Neo4j Subject Matter Expert in Saint Louis area with deep graph database experience. The role focuses on Neo4j design, modelling, migration, and query optimisation, supporting enterprise-grade applications and data architectures.

Ideal candidates will migrate legacy models to Neo4j, troubleshoot performance, and collaborate with cross-functional teams to deliver graph-based solutions. Portico experience is a plus.

Qualifications

5+ years in database development or data engineering.
Hands-on Neo4j and graph database concepts.
Strong Cypher query language knowledge.
Experience modelling graphs with nodes, relationships and indexes.
Experience migrating data to Neo4j and performance tuning.
Familiarity with Portico-based development is a plus.

Responsibilities

Serve as the Neo4j SME guiding graph architecture and implementation.
Design and develop scalable Neo4j data models based on complex needs.
Develop and optimise Cypher queries for performance.
Support migration of legacy apps to the Neo4j platform.
Transform relational data into graph-based models.
Provide support for Portico-based environments and integrations.
Perform database performance analysis and indexing optimisation.
Collaborate with developers, data engineers, and architects.
Define development standards and best practices.
Prepare technical documentation and implementation guidelines.

Skills

Neo4j

Cypher

Graph data modelling

Migration & modernisation

Problem solving

Education

Bachelor's degree in CS/IT

Tools

Portico development

Job description

Job Description: Neo4j SME

Location: Saint Louis, MO/ Dallas (Brillio)/ New York (Brillio)/ Last option is remote

Duration: Long term

Job Summary

We are looking for an experienced Neo4j Subject Matter Expert (SME) with strong expertise in graph database technologies, particularly Neo4j. The ideal candidate will have hands‑on experience in Neo4j database design, development, data modelling, migration, performance optimisation, and troubleshooting.

The candidate should be capable of supporting the migration of existing applications/data models to Neo4j and should have a strong understanding of existing/legacy application development, including Portico development knowledge, where applicable.

Key Responsibilities

Serve as the Neo4j SME and provide technical guidance on graph database architecture, design, development, and implementation.
Design and develop scalable Neo4j graph data models based on complex business and application requirements.
Develop and optimise Cypher queries for efficient data retrieval and processing.
Support migration of existing databases and applications to the Neo4j graph database platform.
Analyse existing data structures and transform relational or legacy data models into appropriate graph-based models.
Provide technical support for applications transitioning out of legacy or Portico-based development environments.
Perform Neo4j database performance analysis, query tuning, indexing, and optimisation.
Design appropriate nodes, relationships, properties, indexes, and constraints.
Develop data ingestion and integration solutions for loading data into Neo4j.
Troubleshoot database, application integration, data quality, and performance‑related issues.
Work closely with application developers, data engineers, architects, and business teams to translate functional requirements into graph‑based technical solutions.
Define Neo4j development standards, best practices, reusable components, and technical guidelines.
Participate in architecture reviews, code reviews, solution design, and technical discussions.
Support production deployments, upgrades, monitoring, and operational troubleshooting.
Provide technical mentoring and knowledge transfer to development and support teams.
Prepare and maintain technical documentation, architecture designs, data models, and implementation guidelines.

Required Skills

5 years of experience in database development, data engineering, or related technologies.
Strong hands‑on expertise with Neo4j and graph database concepts.
Strong knowledge of Cypher Query Language.
Extensive experience in graph data modelling, including nodes, relationships, properties, indexes, and constraints.
Experience with Neo4j database administration and performance optimisation.
Strong understanding of relational and non‑relational database concepts.
Experience migrating data from traditional/legacy databases to Neo4j.
Knowledge of ETL/data ingestion and database integration techniques.
Experience integrating Neo4j with enterprise applications and APIs.
Strong troubleshooting, analytical, and problem‑solving skills.
Ability to work independently as a technical SME and collaborate with cross‑functional teams.
Experience working with existing/legacy application development environments.
Portico development knowledge would be an advantage.

Preferred Skills

Experience with Java, Python, or similar programming languages.
Knowledge of REST APIs and microservices.
Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
Understanding of CI/CD and DevOps practices.
Experience with large‑scale graph datasets and high‑performance database environments.
Knowledge of data migration, modernisation, and application transformation programmes.

Educational Qualification

Bachelor s or Master s degree in Computer Science, Information Technology, Engineering, or a related discipline.

Key Competencies