Senior Data Engineer: Ontology & Semantic Modeling Lead

SoundThinking; Fremont (CA); Hybrid; USD 130,000 - 170,000; Full time

Job summary

A leading data and AI firm is seeking a Sr. Data Engineer to design scalable data pipelines and contribute to an ontology-driven semantic layer. The role requires experience with Databricks, SQL, and Postgres, along with proficiency in Python. Candidates should have a minimum of 5 years in data engineering and be comfortable working in AWS environments. This position is office-based in Fremont, CA, with a hybrid work model expected, requiring onsite work three days a week.

Qualifications

• Experience working in production environments with Databricks and Spark.
• Advanced SQL and strong data modeling skills required.
• Experience building reliable ETL/ELT pipelines.

Responsibilities

• Design and maintain ontologies, taxonomies, and semantic models.
• Build and operate scalable data pipelines using Databricks.
• Analyze existing Postgres schemas to identify performance bottlenecks.

Skills

Data Engineering

Databricks

SQL

Postgres

Python

AWS

Education

5+ years in Data Engineering or Data Architecture

Tools

Spark

Graph databases (Neo4j)

Job description

A leading data and AI firm is seeking a Sr. Data Engineer to design scalable data pipelines and contribute to an ontology-driven semantic layer. The role requires experience with Databricks, SQL, and Postgres, along with proficiency in Python. Candidates should have a minimum of 5 years in data engineering and be comfortable working in AWS environments. This position is office-based in Fremont, CA, with a hybrid work model expected, requiring onsite work three days a week.