Knowledge Graph & Backend Engineer Lead

Accenture; Nashville (TN); Hybrid; USD 140,000 - 210,000; Full time

Job summary

Accenture in the United States is seeking a Back-End Engineer to design, build, and operate data infrastructure powering our AI knowledge platform. You will architect APIs, build data pipelines, manage multi-modal databases, and deliver reliable services for product teams.

Ideal candidates have 5+ years in Knowledge Graph data hydration, RDF/SPARQL, R2RML, graph databases, and vector stores, plus strong SQL and REST API skills.

Qualifications

• Minimum 5 years experience in Knowledge Graph data hydration and ontology-based data mapping.
• Strong understanding of RDF, SPARQL, and semantic technologies.
• Experience with R2RML or similar mapping frameworks.
• Experience with graph databases and Elasticsearch/OpenSearch.
• Strong SQL proficiency and relational database design.
• Experience deploying vector databases in production.

Responsibilities

• Hydrate data into Knowledge Graphs by mapping source data to ontology models.
• Develop data mapping and transformation workflows using R2RML or similar.
• Write and optimize SPARQL queries for graph loading, validation, and retrieval.
• Build and maintain data ingestion pipelines and integrate data from enterprise systems.
• Design and optimize relational database schemas and queries to support graph hydration and ETL.
• Deploy, configure, and maintain vector database infrastructure for embedding storage and retrieval.
• Design and maintain scalable graph query APIs for internal teams.
• Performance-tune graph database queries, indexing, and data access patterns.
• Own containerization, deployment, and monitoring of graph services in cloud environments.
• Ensure data quality, ontology alignment, and secure handling of sensitive data.
• Collaborate with ontologists, architects, and application teams.

Skills

Knowledge Graph

SPARQL

RDF

Ontology mapping

Graph databases

SQL

Python

Java

REST APIs

Data pipelines

Education

Bachelor's degree or equivalent

Tools

GraphDB

Stardog

Neo4j

Amazon Neptune

PostgreSQL

MySQL

SQL Server

Pinecone

Weaviate

Milvus

Qdrant

Elasticsearch

OpenSearch

Docker

Kubernetes

Helm

Git

Job description

Accenture in the United States is seeking a Back-End Engineer to design, build, and operate data infrastructure powering our AI knowledge platform. You will architect APIs, build data pipelines, manage multi-modal databases, and deliver reliable services for product teams.

Ideal candidates have 5+ years in Knowledge Graph data hydration, RDF/SPARQL, R2RML, graph databases, and vector stores, plus strong SQL and REST API skills.