VLS Systems Inc
W2 Candidates Only || Big Data Developer || In-Person Interview || Will Consider H1B Transfer***NoC2C**
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Big Data Developer in Rockville, MD or Tysons Corner, VA, with a long-term contract. Requires 8+ years of experience, strong skills in Apache Spark, Hadoop, AWS, Python/Scala, and SQL.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
July 2, 2026
🕒 - Duration
Unknown
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🏝️ - Location
On-site
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📄 - Contract
Corp-to-Corp (C2C)
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🔒 - Security
Unknown
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📍 - Location detailed
Rockville, MD
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🧠 - Skills detailed
#GitHub #Lambda (AWS Lambda) #Agile #Data Processing #Python #Scala #Hadoop #Scrum #AI (Artificial Intelligence) #SQL (Structured Query Language) #Programming #Trino #Data Pipeline #Spark (Apache Spark) #Automation #ChatGPT #"ETL (Extract #Transform #Load)" #Kubernetes #Apache Spark #S3 (Amazon Simple Storage Service) #Athena #AWS (Amazon Web Services) #Data Engineering #Big Data
Role description
Position: Big Data Developer
Location: Rockville, MD or Tysons Corner, VA
Duration: Long-term
Job 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
Position: Big Data Developer
Location: Rockville, MD or Tysons Corner, VA
Duration: Long-term
Job 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
