Data Platform Engineer - Greenfield Medallion Data Platform

Woongjin, Inc; Plano (TX); On-site; USD 110,000 - 120,000; Full time

Benefits offered by this job

Medical Insurance

Vision Insurance

401(k)

Paid Sick hours

Job summary

Woongjin, Inc. in Plano, TX is seeking a mid-level Data Platform Engineer to build a new greenfield data platform.

You will implement Medallion Architecture, migrate Alteryx workflows to dbt and Python, and develop an MCP server to support AI-driven analytics and data marts. You will ingest from SQL Server and Oracle, design Bronze/Silver/Gold layers, configure Iceberg tables, Airflow DAGs, and OpenMetadata for data governance.

Qualifications

• 3+ years of hands-on data engineering experience in production environments.

Responsibilities

• Ingest data from sources such as Microsoft SQL Server and Oracle into the Bronze layer with CDC-based incremental ingestion.
• Develop dbt models for the Silver layer including cleansing, standardization, deduplication, and data quality testing.
• Create Gold layer data marts and migrate Alteryx transformations to SQL/dbt.
• Configure Iceberg tables and REST Catalog with schema evolution and time travel support.
• Develop and operate Airflow DAGs for scheduling and failure notifications.
• Develop an MCP server enabling AI agents to query Gold-layer data marts and provide catalog/metadata access.
• Manage metadata and data lineage using OpenMetadata.
• Automate Excel reporting using Python and openpyxl.

Skills

SQL

dbt

Python

Trino/Presto

Apache Iceberg

Microsoft SQL Server

Oracle

OpenMetadata

Tools

Airflow

DataHub

Cube.dev

Alteryx

Job description

Woongjin, Inc. in Plano, TX is seeking a mid-level Data Platform Engineer to build a new greenfield data platform.

You will implement Medallion Architecture, migrate Alteryx workflows to dbt and Python, and develop an MCP server to support AI-driven analytics and data marts. You will ingest from SQL Server and Oracle, design Bronze/Silver/Gold layers, configure Iceberg tables, Airflow DAGs, and OpenMetadata for data governance.