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VLS Systems Inc

W2 candidates only || Lead Software Engineer (Big Data, Spark, AWS, Full Stack) || In-Person Interview || will consider H1B Transfer***NoC2C**

Contract · In Office · Rockville, Maryland (USA)

Posted Jul 1, 2026

Work Options
Seniority Level
Cloud Stack
Job Type
Position Group

Job Description:

  • We are seeking a highly experienced Lead Software Engineer to design, develop, and optimize enterprise-scale applications and big data platforms. The ideal candidate will have strong expertise in Apache Spark, AWS Cloud, Full Stack Development, System Design, and Software Engineering best practices.
  • Required Skills:
  • • 7+ years of Software Engineering experience
  • • Strong System Design and Architecture experience
  • • Expertise in Apache Spark, Hadoop, Hive, and Trino
  • • Experience processing large-scale datasets (TB/PB scale)
  • • Advanced SQL (Window Functions, Joins, Aggregations, Query Optimization)
  • • Strong programming skills in Python or Scala
  • • AWS Services: S3, EMR, Glue, Athena, Lambda, EKS
  • • Full Stack Development (Frontend, Backend, APIs, Microservices)
  • • Object-Oriented Design and Design Patterns
  • • Data Storage Technologies (Relational & NoSQL)
  • • Performance Tuning and Optimization
  • • DevOps, CI/CD, and Infrastructure Automation
  • • Test Automation, Unit Testing, and Quality Engineering
  • • Software Security and Secure Coding Practices
  • • Experience with AI tools such as GitHub Copilot, ChatGPT, Claude, Amazon Q
  • Leadership Responsibilities:
  • • Lead architecture and technical design initiatives
  • • Mentor and guide engineering teams
  • • Drive engineering excellence and best practices
  • • Collaborate across business and technology teams
  • • Lead modernization, automation, and AI adoption efforts
  • Preferred Skills:
  • • Kubernetes / EKS
  • • Serverless Architectures
  • • Financial Services experience
  • • Agile/Scrum leadership
  • • Cloud Certifications (AWS)
  • • Large-scale distributed systems experience
  • Qualifications:
  • • Bachelor''s degree in Computer Science or related field
  • • Strong communication and stakeholder management skills
  • • Proven experience delivering enterprise-grade solutions

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W2 candidates only || Lead Software Engineer (Big Data, Spark, AWS, Full Stack) || In-Person Interview || will consider H1B Transfer***NoC2C**

VLS Systems Inc

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