Senior Data EngineerTechgene Solutions • Alpharetta, GA, United States

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Senior Data Engineer

Techgene Solutions • Alpharetta, GA, United States

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Position : Senior Data Engineer (PySpark + Databricks + Oracle / PostgreSQL Migration)

Location : 5800 Windward Parkway, Alpharetta, GA 3000 (Only Locals) 3 Days onsite

Job type : Contract

Exp Level : Min 9+ Years

Expert-level proficiency in PySpark and Databricks.
Primary Skill Focus : PySpark, Databricks (Hands-on coding test expected)

Skills Required : 1. RDBMS Expertise :

Strong hands-on experience with Oracle and PostgreSQL databases.

Deep understanding of database architecture, design, indexing, and performance tuning.

Expert-level SQL skills : queries, stored procedures, functions, triggers, and views.

2. Database Migration

Proven experience in end-to-end database migration projects (preferred : Oracle → PostgreSQL).

Strong ability to perform data mapping, transformation, validation, and reconciliation.

Experience using migration tools, scripts, and automation frameworks.

3. Data Engineering & Analysis

Advanced proficiency in Databricks for large-scale data processing.

Expert in PySpark and Python for data transformation and analytics.

Ability to build, enhance, and optimize complex ETL / ELT data pipelines.

4. Job Scheduling & Automation

Experience creating and maintaining Databricks jobs for scheduled reporting.

Familiarity with workflow orchestration tools (Airflow, ADF, Step Functions, etc.).

5. Performance Optimization

Strong background in performance tuning for Oracle and PostgreSQL.

Experience with index strategies, query optimization, execution plan analysis, and caching.

6. Cloud Platforms

Good understanding of AWS Cloud, including RDS, S3, EMR, Lambda, Glue, or similar services.

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