• Senior Ruby on Rails Developer

    Steampunk (Mclean, VA)
    …see the real impact of their work in human lives every single day. **Contributions** As a ** Senior Ruby on Rails Developer ** , you will be working with a team of ... Steampunk participates in the E-Verify program._ Refer a Friend (https://careers-steampunk.icims.com/jobs/6546/ senior -ruby-on-rails- developer /job?mode=apply&apply=yes&in\_iframe=1&hashed=-336029103) **Need help finding the right job?**… more
    Steampunk (09/13/25)
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  • Senior Software Developer - active…

    V2X (Chantilly, VA)
    **Description** We are recruiting for a Senior Software Developer to design and develop complex new software products and make significant enhancements to ... can manage large data sets. + Design, program/develop, and modify software systems, applications , and tools, both existing and potentially new in the future +… more
    V2X (10/31/25)
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  • Senior Software Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Developer ** to join our team in **DC, Maryland, and Virginia (DMV) area** . In this ... stakeholders to identify requirements, design systems software, develop updates to existing applications , and build in cyber security to reduce the attack surface +… more
    ManTech (08/19/25)
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  • Senior Web Developer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Web Developer ** to join our team in **DC, Maryland, and Virginia (DMV) area** . In this role ... graphics, performance, and capacity. You will integrate Websites with other computer applications as well as convert written, graphic, audio, and video components to… more
    ManTech (08/19/25)
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  • Integration Engineer/ Developer…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Integration Engineer/ Developer , Senior ** **Category:** Software Development/ Engineering **Main location:** United States, Virginia, Arlington **Position ID:** ... designs, develops, and implements solutions that connect different systems and applications to ensure they work together seamlessly. They are responsible for… more
    CGI Technologies and Solutions, Inc. (09/09/25)
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  • Senior Full Stack Software Developer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Full Stack Software Developer ** to join our team in **Chantilly, VA.** **Responsibilities ... but are not limited to:** + Creating, maintaining, and improving upon custom applications on the ITD IT system architecture. + Developing bug fixes, feature… more
    ManTech (08/20/25)
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  • Senior SW Developer

    Leidos (Chantilly, VA)
    …install and configure code in EC2 instances + Experience with Python. + Develop Java and Python applications that leverage Neo4j and Elasticsearch + Ability to ... **Description** Leidos is seeking a Software Developer for a technical development program supporting the...development of Cloud Formation scripts to generate network and application + infrastructure in a repeatable fashion + Ability… more
    Leidos (10/10/25)
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  • Software/Web Developer - Senior…

    IT Concepts (Springfield, VA)
    …extraordinary milestones. Kentro is hiring a cleared mid-level Software/Web Developer to support the National Geospatial-Intelligence Agency. Responsibilities: + ... (IDT), Request Action Tracker (RAT), or SharePoint custom workflows. + Proficiency with Java for Front-End and Backend programming, Azure, Angular JS and Angular 2.… more
    IT Concepts (10/18/25)
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  • Senior Software Engineer (UI…

    Quality Technology Services, LLC (Ashburn, VA)
    The ** Senior Software Engineer** develops java /angular applications leveraging a microservices framework. The successful candidate has 10 plus years of ... by conducting systems analysis and recommending optimizations to make the application more performant/respond to customer needs. + Determines operational feasibility… more
    Quality Technology Services, LLC (09/24/25)
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  • Application Developer Sr (DLA)

    SimIS Inc. (Suffolk, VA)
    …application for material procurement processes and shipyard operations. SimIS seeks a Senior Application Developer to design, build, and deliver ... and project teams, you will transform business requirements into powerful applications that drive mission success. You'll develop and integrate web-based and… more
    SimIS Inc. (08/23/25)
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