AI Knowledge Graph Engineer — Build Scalable KO Graphs

Sapience AI Corporation; United States; Remote; USD 204,000 - 216,000; Full time

Job summary

Sapience AI Corporation is seeking a KO Graph Engineer to build and operate the knowledge object graph that powers the COGENT platform. You design schemas, ingest sources, and ensure trust through provenance and data quality.

Collaborating with neuro-symbolic and applied AI teams, you turn scattered data into a structured, queryable graph that enables fast, reasoning-ready knowledge for professional communities.

Qualifications

• Five or more years in data engineering, knowledge graph engineering, or a related field.
• Hands-on experience building and operating knowledge graphs or graph databases.
• Strong data pipeline engineering, including ingestion and transformation.
• Experience with entity resolution, deduplication, and data quality.
• Solid grounding in knowledge representation, ontologies, or schema design.
• Strong Python and SQL, plus graph query languages.
• Care for provenance, trust, and protection of sensitive data.

Responsibilities

• Knowledge graph engineering: Build and maintain the KO graph that structures a community’s knowledge for reasoning.
• Ingestion and knowledge extraction: Build pipelines that convert documents into structured knowledge objects.
• Entity resolution and quality: Resolve entities and connect knowledge across sources.
• Provenance and trust: Preserve provenance and protect sensitive data.
• Serving knowledge to COGENT: Partner with AI to serve the graph for reasoning and retrieval.
• Data pipelines and platform: Build data pipelines and reusable connectors.
• Evaluation of knowledge quality: Measure coverage, quality, and freshness.

Skills

Data engineering

Knowledge graph engineering

Graph databases

Data pipelines

Entity resolution

Data quality

Ontologies

Python

SQL

Provenance & governance

Tools

Graph databases

Cypher / SPARQL / GQL

Data pipeline tools

Orchestration tools

Vector databases

Embedding models

Python

SQL

Cloud data platforms

Job description

Sapience AI Corporation is seeking a KO Graph Engineer to build and operate the knowledge object graph that powers the COGENT platform. You design schemas, ingest sources, and ensure trust through provenance and data quality.

Collaborating with neuro-symbolic and applied AI teams, you turn scattered data into a structured, queryable graph that enables fast, reasoning-ready knowledge for professional communities.