Senior Spark Data Engineer — Oracle DW & Cloud Analytics

Ethereum Technologies; Irving (TX); On-site; USD 130,000 - 180,000; Full time

Job summary

Ethereum Technologies in Irving, TX is seeking an experienced Data Engineer to design, build, and optimize large-scale data processing solutions using Apache Spark (PySpark/Scala) and Python. The role focuses on migrating and modernizing analytics platforms, integrating Oracle-based data warehouses, and delivering high-performance ETL/ELT pipelines.

The ideal candidate has 8+ years of data engineering experience, strong SQL and data modeling skills, and hands-on expertise with Oracle GoldenGate,

Qualifications

• 8+ years of experience in Data Engineering or related roles.
• Strong hands-on experience with Apache Spark (PySpark and/or Scala) and Python.
• Deep understanding of Oracle databases supporting OLAP, data warehousing, and analytical workloads.
• Proven experience tuning and optimizing: Spark applications and execution plans, complex SQL queries, large-scale ETL/ELT processes, high-volume batch processing workloads.
• Strong SQL and data modeling skills.
• Experience with Oracle GoldenGate, CDC, or enterprise-scale data integration technologies.

Responsibilities

• Design, develop, and optimize large-scale data processing solutions using Apache Spark (PySpark/Scala) and Python.
• Build and maintain scalable ETL/ELT pipelines for analytical and reporting workloads.
• Optimize query performance, Spark jobs, and end-to-end data processing pipelines for high-volume batch and near real-time workloads.
• Design and implement data integration, replication, and ingestion solutions using technologies such as Oracle GoldenGate, Kafka, and CDC frameworks.
• Collaborate with application, data, and analytics teams to develop scalable data models and processing frameworks.
• Drive performance tuning initiatives across Oracle, Spark, and distributed data processing environments.

Skills

Spark

PySpark/Scala

Python

SQL

Data Modeling

ETL/ELT

Tools

Oracle GoldenGate

CDC frameworks

Kafka

Oracle Database

BigQuery

Dataproc

Cloud Storage

Pub/Sub

Dataflow

Job description

Ethereum Technologies in Irving, TX is seeking an experienced Data Engineer to design, build, and optimize large-scale data processing solutions using Apache Spark (PySpark/Scala) and Python. The role focuses on migrating and modernizing analytics platforms, integrating Oracle-based data warehouses, and delivering high-performance ETL/ELT pipelines.

The ideal candidate has 8+ years of data engineering experience, strong SQL and data modeling skills, and hands-on expertise with Oracle GoldenGate,