• Mid - Level Java

    General Dynamics Information Technology (Annapolis Junction, MD)
    …we face are career-defining. The opportunity we can offer is one-of-a-kind. **Join Us as a Mid - Level Java Developer - Innovate with Cutting-Edge Tech in ... impact on a high-profile program where your skills truly matter? We're looking for a ** Mid - Level Java Developer ** to join our dynamic team supporting a… more
    General Dynamics Information Technology (09/20/25)
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  • UI Java /Python Developer

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **UI Java /Python Developer , Mid - Level TS/SCI with Poly REQUIRED** **Category:** Software Development/ Engineering **Main location:** United States, ... CGI Federal has an exciting opportunity for an UI Human Factor Developer within our Intel sector advancing the national security mission through cutting… more
    CGI Technologies and Solutions, Inc. (11/19/25)
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  • Senior Java Applications Developer

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR JAVA APPLICATION DEVELOPER (NAUT): Bowhead seeks a Senior Java Application Developer to support our customer on the Nautical contract ... and modernization approaches + Mentor and provide technical guidance to junior and mid - level developers on best practices and advanced techniques + Analyze and… more
    UIC Government Services and the Bowhead Family of Companies (10/11/25)
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  • TS/SCI Senior Java Developer

    Insight Global (Arlington, VA)
    …and modernization approaches * Mentor and provide technical guidance to junior and mid - level developers on best practices and advanced techniques * Analyze and ... understand existing Java Spring MVC legacy applications, including architecture, codebase structure, dependencies, and integration points / APIs. * Collaborate with… more
    Insight Global (11/06/25)
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  • Software Developer Mid

    Amentum (Washington, DC)
    Amentum is searching for a Top-Secret cleared Software Developer ( Mid ) to join our team in Washington, DC. You will be working in an organization that's mission ... priorities while protecting confidential data and sources. The Software Developer ( Mid ) is a part of a...or past work may be used to show the level of experience needed to perform at this … more
    Amentum (11/14/25)
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  • Mid - Level Software…

    Leidos (Bethesda, MD)
    **Description** **Join Our Innovative Team at Leidos!** **Job Description: Mid Level Software Developer ** Ready to break away from the ordinary and dive into ... you'll develop real-time software on Linux using C++ and Java , diving deep into all phases of the development...- $153,925.00 The Leidos pay range for this job level is a general guideline onlyand not a guarantee… more
    Leidos (10/01/25)
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  • Software Developer , Mid

    CGI Technologies and Solutions, Inc. (Washington, DC)
    **Software Developer , Mid ** **Category:** Software Development/ Engineering **Main location:** United States, District of Columbia, Fairfax **Position ID:** ... of a team. . Researches, designs, develops, and tests operating systems- level software, compilers, and network distribution software for medical, industrial,… more
    CGI Technologies and Solutions, Inc. (10/29/25)
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  • Software Developer , Mid

    Cayuse Holdings (Washington, DC)
    **Overview** The Software Developer , Mid will deliver functional modules of the new application under the Senior Developer 's guidance. They will contribute ... USD $105,000.00 - USD $115,200.00 /Yr. Submit a Referral (https://careers-cayuseholdings.icims.com/jobs/2971/software- developer %2c- mid /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834356743) **Can't find the right opportunity?** Join… more
    Cayuse Holdings (10/23/25)
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  • Microservices Developer Ealy to Mid

    Lockheed Martin (Annapolis Junction, MD)
    …system using a microservices\-based architecture and cutting\-edge technologies\. The Microservices Developer will be responsible for: * Writing java spring ... Top Secret clearance with polygraph\. **Desired Skills:** One of the below: \- Java , Spring boot or python \- Microservice architectures \- CI/CD Tools: AWS tools,… more
    Lockheed Martin (10/01/25)
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  • Sr. Level Full Stack Developer

    IT Concepts (Washington, DC)
    …and achieve extraordinary milestones. Kentro is hiring a qualified Full Stack Developer in support of our Defense Intelligence client in Washington, DC The ... and coordinate integration per government requirements. + The Senior Developer will be working with and coaching more junior...+ Experience with multiple object-oriented programming languages such as Java , C++, C#, or Python + Excellent verbal and… more
    IT Concepts (09/08/25)
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  • Sr. Appian Developer

    Arena Technical Resources, LLC (Rockville, MD)
    Sr. Appian Developer Location: Rockville, US Job ID: ATR 17527...in Java . - Provide technical guidance to mid - level developers as and when required. - ... Job Description Job Title: Sr. Appian Developer Location: Rockville, MD (Fully Remote) Eligibility: Candidate must...- 3+ plus years of hands-on development experience in Java /J2EE, Web Service and RESTful services - 2+ years'… more
    Arena Technical Resources, LLC (09/10/25)
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  • Software Developer

    KBR (Springfield, VA)
    …This is a contingent position based upon contract award. KBR is seeking a mid - level Software Developers to support government customers in Springfield, VA. The ... Title: Software Developer Belong. Connect. Grow. with KBR! KBR's National...to the government and product vendor. + Provide expert level support of test automation capable of creating and… more
    KBR (09/12/25)
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  • Software Developer , Senior

    Cayuse Holdings (Washington, DC)
    …and execute application deployments, version control, and CI/CD pipelines. + Mentor mid - level developers and provide technical leadership. + Ensure compliance ... **Overview** The Software Developer , Senior will lead the design and development...This role will design and implement backed APIs using Java Spring Boot, build secure and responsive UIs in… more
    Cayuse Holdings (10/23/25)
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  • Software Developer / Engineer

    Athenix Solutions Group, LLC (Mclean, VA)
    Software Developer / Engineer Mclean, VA (http://maps.google.com/maps?q=Mclean+VA+USA) *ACS Description Athenix Solutions Group is looking for Software Engineers in a ... of complex systems using languages like C++, Python, and JAVA + Web-based user interface design and crafting an...years of relevant experience can qualify you for this level ) + **_Basic Level_** - Bachelor's degree in computer… more
    Athenix Solutions Group, LLC (09/13/25)
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  • Lead Application Developer / Site Manager

    GovCIO (Fairfax, VA)
    …development team + Provide technical leadership and mentoring to junior and mid - level developers + Collaborate with architects, product managers, and ... 12 years experience (or commensurate experience) + 7+ years of professional Java development experience + Clearance required: Secret clearance with ability to obtain… more
    GovCIO (10/24/25)
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  • Full Stack Developer

    Athenix Solutions Group, LLC (Annapolis Junction, MD)
    …and diverse software systems assisting in the defense of our nation. There are mid to senior level openings. **Responsibilities** : + Work with a high-performing ... Full Stack Developer Annapolis Junction, MD (http://maps.google.com/maps?q=Annapolis+Junction+MD+USA) *ACS Description Athenix Solutions Group is looking for a… more
    Athenix Solutions Group, LLC (10/23/25)
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  • Senior Software Developer - TS/SCI…

    Leidos (Reston, VA)
    …and lead teams of other subject matter experts, guiding and teaching junior and mid - level resources in the process of defining new systems to achieve specific ... applicant will be able to write various coding languages (for example: Java , C++, Python, R, JavaScript, HTML), construct enterprise solutions using multi- level more
    Leidos (09/21/25)
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  • Mid - Level Software Engineer

    Leidos (Alexandria, VA)
    …part of the Decision Advantage Solutions Business Area, is currently seeking a Mid - Level Software Engineer for the Chinook Program. The Chinook Program delivers ... CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** **Top Secret with SCI...CSS, JSON, Ajax, and REST APIs + Object-oriented Programming:Python, Java , or JavaScript + Advanced Programming: Go + Front-end… more
    Leidos (10/05/25)
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  • Software Engineer- Mid - Backend

    Guidehouse (Camp Springs, MD)
    …a Public Trust level clearance. + Experience with the following: + Java and Spring framework (or JEE), Spring Boot (or similar framework) and RESTful API-based ... for a federal government client. This is an exciting opportunity for a seasoned developer to join a collaborative, Agile team that will be building the backend of… more
    Guidehouse (11/12/25)
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  • Cloud Software Engineer (Levels 2 &3)

    Belay Technologies (Annapolis Junction, MD)
    …trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS). Mid - Level Cloud SWE: Candidates should have the following ... + Shall have at least three (3) years of experience developing software with high- level languages, such as Java , C, and C++. + Shall have at… more
    Belay Technologies (11/19/25)
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