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# Senior Software Engineer

- **Company:** Staffed4U LLC
- **Location:** Chantilly, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Testing (Software), HTML, JavaScript (Programming Language), Server Applications, Software Applications, Systems Engineering, Bug Tracking Systems, Cloud Computing, Computer Programming, Software Debugging, Desktop Computing, Web Development, HP Loadrunner, Systems Analysis, Integrated Development Environments, Apache Struts, Performance Tuning, Software Maintenance, Ruby on Rails, Software Engineering, Software Systems, Systems Integration, Enterprise Software Applications, Software Performance, Legacy Systems, Programming Languages
- **Published:** May 27, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8936621/senior-software-engineer

## About the Role

* Bachelor's degree and a minimum of six (6) years of relevant experience; OR
 * Ten (10) years of related professional experience in lieu of a degree
 * Minimum of six (6) years of software engineering experience
 * Active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with Polygraph
 * Demonstrated experience supporting complex technical and operational environments, * Advanced knowledge of software engineering principles, programming, and systems analysis
 * Experience developing applications in cloud and enterprise environments
 * Ability to analyze user requirements and translate them into technical solutions
 * Experience with software testing, debugging, and performance optimization
 * Strong analytical, organizational, and problem-solving skills
 * Excellent written and verbal communication skills
 * Ability to work independently and collaboratively in a fast-paced technical environment

Preferred Technical Experience

Experience or familiarity with one or more of the following technologies or tools is desirable:

 * Programming languages and software development frameworks
 * Web application development technologies including HTML, JavaScript, Apache Struts, and Ruby on Rails
 * Software testing, usability testing, and defect tracking tools including Mercury Interactive LoadRunner
 * Source code editors and software development environments
 * Desktop computing systems, high-end servers, and application server technologies

## Description

The selected candidate will provide senior-level software engineering support for the design, development, integration, and maintenance of mission-critical applications and systems in a secure technical environment. The role requires advanced knowledge of software development, systems engineering, cloud technologies, and system performance optimization., * Design, develop, test, and maintain enterprise software systems and applications

 * Analyze software and system requirements to develop technical solutions that meet operational objectives
 * Evaluate and improve software performance, scalability, reliability, and maintainability
 * Develop system specifications, technical documentation, and implementation plans
 * Coordinate with engineers, analysts, developers, and stakeholders to support system integration and deployment
 * Modify and enhance existing software applications to improve functionality and resolve system issues
 * Analyze interfaces between hardware and software systems and define performance requirements
 * Support installation, configuration, testing, and maintenance of software systems and applications
 * Develop and maintain applications within cloud-based environments, including modernization of legacy systems
 * Estimate software development schedules, technical risks, and resource requirements
 * Apply advanced analytical and engineering methods to evaluate system performance and software outcomes
 * Provide technical leadership, mentoring, and guidance to junior engineering staff and development teams
 * Support troubleshooting, root cause analysis, and resolution of complex technical issues


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