Lead Knowledge Graph & Backend Engineer

Accenture; Walnut Creek (CA); Hybrid; USD 94,000 - 294,000; Full time

Benefits offered by this job

Health benefits

401(k) plan

Bonus opportunities

Paid holidays

Paid time off

Job summary

Accenture is seeking a Back-End Engineer to design, build, and operate data infrastructure powering an AI-driven knowledge platform. You will architect APIs, build data pipelines, manage multi-modal databases, and ensure reliability and performance across services used by product teams.

You will work with relational schemas, graph queries, vector stores, and production-grade REST APIs. Semantic tech experience is central, with data ingestion, transformation, storage, retrieval, and delivery at

Qualifications

• Minimum 5 years experience with Knowledge Graph hydration and ontology-based mapping.
• Experience with RDF, SPARQL and semantic technologies.
• Experience with graph databases and Elasticsearch/OpenSearch.
• Experience with relational databases and schema design.

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 retrieval at scale.
• Design and maintain scalable graph query APIs consumed by internal teams.
• Performance-tune graph 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 (PII/PHI).
• Collaborate with ontologists, architects, and application teams to support Knowledge Graph implementations.

Skills

Knowledge Graph

SPARQL

R2RML

Python

Java

Graph Databases

SQL

REST APIs

Data pipelines

Cloud

Education

Bachelor's degree

Tools

GraphDB

Stardog

Neo4j

PostgreSQL

Milvus

Qdrant

Job description

Accenture is seeking a Back-End Engineer to design, build, and operate data infrastructure powering an AI-driven knowledge platform. You will architect APIs, build data pipelines, manage multi-modal databases, and ensure reliability and performance across services used by product teams.

You will work with relational schemas, graph queries, vector stores, and production-grade REST APIs. Semantic tech experience is central, with data ingestion, transformation, storage, retrieval, and delivery at