W2 candidates only || Big Data Developer || In-Person Interview || will consider H1B Transfer***NoC2C**

Position: Big Data Developer Location: Rockville, MD or Tysons Corner, VA Duration: Long-termJob Description:We are seeking an experienced Big Data Developer with strong expertise in Apache Spark, Hadoop, AWS, Python/Scala, and SQL to build and optimize large-scale data processing solutions.Required Skills:• 8+ years of Big Data/Data Engineering experience• Strong hands-on experience with Apache Spark• Hadoop Ecosystem: Hadoop, Hive, Trino• Strong programming skills in Python or Scala• Advanced SQL (Joins, Window Functions, Aggregations, Query Optimization)• Experience building and supporting large-scale ETL/Data Pipelines• AWS Services: S3, EMR, Glue, Athena, Lambda• Experience troubleshooting Spark jobs, data skew, performance tuning, and large-volume data processing• Knowledge of Agile/Scrum development methodologies• Experience with AI-assisted development tools (GitHub Copilot, ChatGPT, Claude, Amazon Q)Preferred Skills:• EKS / Kubernetes• CI/CD Pipelines• Test Automation• Production Data Pipeline Support• AWS Certifications• Financial Services Experience