Knowledge Graph Backend Lead & Platform Engineer

Accenture; Columbus (OH); Hybrid; USD 110,000 - 190,000; Full time

Job summary

Accenture is seeking a Back-End Engineer to design, build, and operate data infrastructure powering an AI-driven knowledge platform. You will craft APIs, pipelines, and vector stores while ensuring reliability, scalability, and semantic integrity across enterprise-scale data processing.

You will work across the full back-end stack, designing schemas, tuning graph queries, and delivering production-grade REST APIs. Travel to client locations will be required and 20–80% is expected.

Qualifications

• Ideal candidate has 5+ years in Knowledge Graph hydration and ontology-based data mapping including RDF and SPARQL.

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 consumed by 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 (PII/PHI).
• Collaborate with ontologists, architects, and application teams to support Knowledge Graph implementations.

Skills

Knowledge Graph

SPARQL

R2RML

Python

Java

REST APIs

Graph Databases

ETL

SQL

Docker

Kubernetes

Data Modeling

Education

Bachelor's degree or equivalent (12+ years)

Tools

GraphDB

Neo4j

Weaviate

Milvus

PostgreSQL

Job description

Accenture is seeking a Back-End Engineer to design, build, and operate data infrastructure powering an AI-driven knowledge platform. You will craft APIs, pipelines, and vector stores while ensuring reliability, scalability, and semantic integrity across enterprise-scale data processing.

You will work across the full back-end stack, designing schemas, tuning graph queries, and delivering production-grade REST APIs. Travel to client locations will be required and 20–80% is expected.