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Senior Developer

ECS

$100,000 - $150,000
Sep 3, 2025
Arlington, VA, US
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ECS is seeking a Sr. Developer to provide custom Java application development expertise as well as automation and cloud migration support.

Requirements

  • 7+ years' integration, systems analysis, or programming experience
  • 5+ years' debugging and managing Services / Applications in Production environments
  • 3+ years' experience with Springboot/Apache/Tomcat
  • Experience creating/working with custom Golang applications
  • Experience supporting/creating REST and SOAP applications
  • Experience with developing and maintaining customer facing applications
  • Familiarity with Agile methodology and phase-based delivery methods

Responsibilities

  • Develop custom Golang applications, per client specifications
  • Identify and develop enhancements to existing applications
  • Develop software application tests and testing strategies
  • Script solutions to automate manual processes
  • Follow and instruct others on version control processes
  • Develop solutions to strengthen the security in and around applications
  • Leverage application metrics to inform technical and business decisions

Other

  • Work directly with clients to provide engineering solutions and debugging support
  • U.S. Citizenship
  • Must successfully complete a stringent Background Investigation and obtain the required Government Security Clearance
  • Analyze industry specific requirements/technologies and provide insight
  • Experience with Test Driven Development