Ascendum Solutions

Senior Data Engineer

⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Engineer with 7+ years of experience, focusing on Databricks and PySpark. Contract length is unspecified, with W2 pay only. Location is remote. Strong SQL, data migration, and cloud architecture skills are essential.
🌎 - Country
United States
💱 - Currency
$ USD
-
💰 - Day rate
Unknown
-
🗓️ - Date
August 12, 2026
🕒 - Duration
Unknown
-
🏝️ - Location
Unknown
-
📄 - Contract
W2 Contractor
-
🔒 - Security
Unknown
-
📍 - Location detailed
Cincinnati, OH
-
🧠 - Skills detailed
#Automation #Databricks #Data Governance #Regression #PySpark #Data Architecture #Delta Lake #SQL (Structured Query Language) #Data Integrity #Data Processing #Data Quality #Spark (Apache Spark) #Data Management #Monitoring #Metadata #Data Modeling #Azure #Cloud #Scala #Data Migration #Batch #Integration Testing #Automated Testing #Migration #DevOps #Deployment #Data Engineering #Azure cloud #Code Reviews #Computer Science #Data Pipeline #Data Integration #"ETL (Extract #Transform #Load)"
Role description
• W2 candidates only, we cannot consider C2C or 1099 for this opportunity. • Candidates should be eligible to work for any employer in the United States without needing Visa sponsorship Data Engineer (Databricks) Position Summary We are seeking a highly skilled Data Engineer with 7+ years of experience designing, developing, and supporting enterprise-scale data platforms. This role will support a strategic initiative to migrate a legacy Netezza environment to Databricks, enabling next-generation analytics and data-driven decision making across customer-facing retail operations. The successful candidate will play a critical role in modernizing a highly visible and business-critical customer data platform that supports operations. The ideal candidate brings deep expertise in Databricks, PySpark, data engineering best practices, and cloud-based data architecture, along with experience building scalable ingestion, transformation, testing, and monitoring solutions. Key Responsibilities • Provide support to the migration of legacy data assets from Netezza to Databricks. • Design, develop, and optimize scalable data pipelines using PySpark. • Build and support batch and streaming ingestion frameworks for enterprise data processing. • Implement data transformation and conversion strategies to support platform modernization initiatives. • Develop and maintain data solutions utilizing Databricks Lakehouse architecture and Medallion design patterns. Establish and enforce engineering best practices, including: • Coding standards • CI/CD pipelines • Automated testing frameworks • Data quality validation processes • Monitoring and operational support procedures • Collaborate with business stakeholders, architects, analysts, and engineering teams to deliver high-quality solutions. • Perform code reviews and mentor junior team members on data engineering best practices. • Troubleshoot and resolve performance, scalability, and data integrity issues. • Drive continuous improvement initiatives across the data engineering ecosystem. • Support integration testing, regression testing, and production deployment activities. Required Qualifications • Bachelor's degree in Computer Science, Information Systems, Engineering, or related field. • 7+ years of Data Engineering experience in enterprise environments. • Strong hands-on experience with Databricks (required). • Advanced proficiency in PySpark development. • Experience developing both batch and streaming data pipelines. • Strong SQL and data modeling expertise. • Experience implementing data quality frameworks, validation processes, and reconciliation strategies. • Experience building and maintaining automated testing and integration suites. • Experience creating and supporting CI/CD pipelines for data platforms. • Strong understanding of cloud-based data architectures and modern analytics platforms. • Excellent communication and collaboration skills. Preferred Qualifications • Experience with Netezza migrations or legacy Netezza environments. • Experience with Delta Lake, Unity Catalog, and Databricks Workflows. • Experience working with large-scale retail, customer, or omnichannel data platforms. • Familiarity with Azure cloud services and modern data integration patterns. • Experience with infrastructure-as-code and DevOps methodologies. • Knowledge of data governance, lineage, and metadata management solutions. Top Priority Skills: Databricks, PySpark, Data Migration, Test Automation, CI/CD, Data Quality, Medallion Architecture, Streaming & Batch Processing