Knowledge Graph Backend Engineer

Accenture; Philadelphia (Philadelphia County); Hybrid; USD 120,000 - 180,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) plan

Paid holidays & PTO

Job summary

Accenture is hiring a Back-End Engineer to design and operate data infrastructure powering an AI-driven knowledge platform. You will build data pipelines, map data to ontology models, and own scalable graph services with vector stores in cloud environments.

You will work across the full stack, crafting reliable REST APIs, optimizing SPARQL queries, and ensuring data quality and secure handling of sensitive information. 20–80% travel may be required.

Qualifications

• Minimum 3 years experience in Knowledge Graph data hydration and ontology-based data mapping with RDF, SPARQL.
• Minimum 3 years experience with R2RML or similar mapping frameworks.

Responsibilities

• Hydrate structured and semi-structured data into Knowledge Graphs by mapping source data to ontology models.
• Develop data mapping and transformation workflows using R2RML or similar technologies.
• 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 workflows.
• Deploy, configure, and maintain vector database infrastructure for embedding storage and semantic retrieval at scale.
• Design and maintain scalable graph query APIs for internal teams.
• Performance-tune graph database queries, indexing strategies, 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 to support Knowledge Graph implementations.

Skills

Knowledge Graph

RDF

SPARQL

Semantic technologies

R2RML

Graph databases

Neo4j

Elasticsearch/OpenSearch

SQL

Python

Java

REST APIs

Education

Bachelor's degree or equivalent

Tools

Docker

Kubernetes

PostgreSQL

MySQL

SQL Server

Pinecone/Weaviate/Milvus/Qdrant

Job description

Accenture is hiring a Back-End Engineer to design and operate data infrastructure powering an AI-driven knowledge platform. You will build data pipelines, map data to ontology models, and own scalable graph services with vector stores in cloud environments.

You will work across the full stack, crafting reliable REST APIs, optimizing SPARQL queries, and ensuring data quality and secure handling of sensitive information. 20–80% travel may be required.