
Epic Systems, Inc,
Hybrid in Chicago, Illinois • Yesterday
Easy Apply
Contract, Third Party
Depends on Experience
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Epic Systems, Inc,
Hybrid in Chicago, Illinois • Yesterday
Easy Apply
Contract, Third Party
Depends on Experience


Federal Home Loan Bank of Atlanta
Chicago, Illinois • Today
Full-time
USD 108,450.00 - 180,825.00 per year




Unable to sponsor - ONLY Candidates that don't require any sponsorship are accepted
Job Title: Lead Graph Developer
Work Location: Chicago, IL 60606 - Hybrid - Can also work from other hub locations of the client.
Contract duration: 6
Job Details:
Must Have Skills:
Amazon Neptune Graph Database, SPARQL Data Engineering / ETL Pipelines GraphRAG
Nice to have skills:
Gen AI integration, Python Backend API Development
Detailed Job Description:
Education: Bachelor's or Master's degree in Computer Science, Data Science, Information Architecture, or a related field.
Graph Databases: Extensive hands-on experience designing and managing production-scale instances of Amazon Neptune.
Graph languages, specifically Gremlin or SPARQL.
Programming: Advanced production coding in Python or JVM environments Java, Scala.
Cloud Infrastructure: Strong proficiency with AWS services, e.g., AWS S3, Amazon RDS, Amazon ECS
Minimum years of experience: 10+ years
Top 3 responsibilities:
Design enterprise ontologies, taxonomies, and graph schemas that reflect complex business structures.
Architect, configure, and scale Amazon Neptune database environments to handle billions of relationships.
Integrate knowledge graphs into GraphRAG pipelines to enhance contextual grounding and minimize AI hallucinations.
Partner with AI teams to implement hybrid search architectures combining graph traversals with vector databases.
Epic Systems, Inc (a.k.a. EPIC) has been incorporated in the state of Virginia. EPIC provides highest degree of satisfaction in providing the services for clients IT organizations since 2005. EPIC provides IT Consulting services throughout in the United States with various federal agencies and as well as commercial clients.
EPIC has been awarded as Small, Women-owned, and Minority-owned Business (SWaM) certified company in 2013 and has been received 8(a) small business certification from U.S Small Business Administration (SBA.gov)
Our IT professionals are committed to providing high-end reliable IT consulting services .Our consultants are highly skilled in the latest technology, and whether we work onsite at your office or we handle your needs remotely, you can be assured of reduced costs, increased productivity, and a greater return on your IT investment.
We work closely with customers to understand their goals and requirements. With a clear understanding of customer objectives and management goals, we develop the proper solutions for our customer organization.
We specializes in providing advanced technology solutions focused on information systems, enterprise solutions, custom web development and systems integration. We are here to solve client's IT challenges in various areas such as Enterprise Application Development, Application Integration and also Developing custom applications based on JAVA/J2EE/.NET. EPIC provide services to our clients using COTS (Commercial Off-The-Shelf) based products such as TIBCO SOA, Oracle OSB, and SAP areas. We also specialized in developing web development for clients that are needed to custom their web sites.
We provide lifecycle services that align your IT systems with your business processes so your organization can perform at its best from planning, development, and integration to security, management, and support.


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