Data Architect — Graph Knowledge & Ingestion Pipelines

appnovation; New York (NY); On-site; USD 140,000 - 180,000; Full time

Job summary

Appnovation is seeking a Data Architect / Engineer in the United States, New York area, to own the data structures behind our graph-RAG platform. You will model schema, taxonomy and graph structures, and build scalable ingestion pipelines from SharePoint and the wider Microsoft stack.

You will ensure data quality, lineage, and governance while guiding architectural decisions. The role requires 5+ years in data engineering or architecture, expertise in Neo4j and Postgres/Supabase, and strong

Qualifications

• Bachelor's degree in Computer Science or related field.
• 5+ years in data engineering/architecture roles.
• Deep data modeling across relational and graph paradigms (Neo4j, Postgres/Supabase).
• Strong ETL and data pipeline experience in Python at scale.
• Experience with enterprise content ecosystems: SharePoint, Power Platform/Power Automate.
• Knowledge representation, ontologies, and temporal data.
• SQL proficiency; experience with orchestration tools like Airflow and cloud data services.
• Data governance, security and privacy practices.
• Strong documentation and cross-team communication.

Responsibilities

• Define schema, taxonomy, and graph models for knowledge domains.
• Model documents, versions, and time-evolving facts.
• Build ingestion/ETL pipelines from enterprise content sources (SharePoint and Microsoft stack).
• Keep knowledge graph in sync as source documents change frequently.
• Advise on backend architecture (Supabase/Postgres) and validate ingested content quality.
• Establish data quality, lineage, and governance standards across pipelines.
• Build monitoring, alerting, and error handling for ingestion jobs.
• Document data models, schemas, and pipeline architecture.
• Optimize pipeline cost, throughput, and reliability over time.

Skills

Data modeling

Graph databases

Python ETL

SharePoint

Power Platform

SQL

Airflow

Data governance

Documentation

Education

Bachelor's degree in Computer Science or related field

Tools

Neo4j

Postgres/Supabase

Airflow

SharePoint

Power Platform

Job description

Appnovation is seeking a Data Architect / Engineer in the United States, New York area, to own the data structures behind our graph-RAG platform. You will model schema, taxonomy and graph structures, and build scalable ingestion pipelines from SharePoint and the wider Microsoft stack.

You will ensure data quality, lineage, and governance while guiding architectural decisions. The role requires 5+ years in data engineering or architecture, expertise in Neo4j and Postgres/Supabase, and strong