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Markon

Junior Software Engineer

Markon

. Design, develop, integrate, test, deploy, and maintain mission-focused software applications across Sponsor networks and cloud environments .

Posted 9/21/2026full-timeMcLean • Virginia • United StatesJunior💰 $140,000 - $170,000 per yearWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in designing, developing, and maintaining software applications with a focus on modularity and clean interfaces, while supporting Agile methodologies and ensuring compliance with coding standards. Experienced in integrating third-party code and managing software issues using tools like JIRA.

Highest-signal resume keywords
Active TS/SCI With FS PolygraphAgile Software DevelopmentSoftware Issue-Tracking Tools (JIRA)REST API DevelopmentCloud Computing Environments (AWS)

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
.NETJavaJavaScriptSQLPythonHTMLXMLVisual BasicTomcatRuby
Tools & Technologies
JIRAAWSGoogle MapsGoogle Earth
Certifications & Qualifications
Bachelor’s Degree In Computer ScienceActive TS/SCI With FS Polygraph
Industry Keywords
Software Development Lifecycle (SDLC)Information Security (INFOSEC)Information Assurance (IA)Continuous Software DevelopmentDevOps Lifecycle

Tech Stack

Tools & technologies
AndroidApacheAWSCloudJavaJavaScriptPythonRubySDLCSQLTypeScript.NET

About the role

Key responsibilities & impact
  • Design, develop, integrate, test, deploy, and maintain mission-focused software applications across Sponsor networks and cloud environments
  • Develop and modify application source code in response to new requirements and requests for change
  • Provide application bug fixes, enhancements, and GUI improvements
  • Develop and deploy software applications across Sponsor environments, including cloud-based environments
  • Design and develop REST APIs
  • Integrate externally developed code into core software libraries
  • Install and configure application software
  • Evaluate third-party vendors and software partners
  • Maintain software library design and architecture, including module APIs, code organization, and coding-standard compliance
  • Emphasize modularity, reusable code, clean subsystem interfaces, and overall design integrity
  • Coordinate with configuration management personnel to integrate externally developed software into core software libraries
  • Develop software for deployment on Sponsor networks
  • Develop and support software libraries involving audio/video, image-processing algorithms, operating systems and file systems, and device drivers
  • Assist in developing standards, methods, and procedures for product quality, release readiness, and software acceptance
  • Conduct testing throughout all levels of the SDLC
  • Perform regression testing and follow established testing procedures
  • Support Agile software development practices throughout the full application lifecycle
  • Track and manage software issues using tools such as JIRA
  • Provide software availability and reliability metrics during monthly status reviews
  • Support an Intelligence Community client in McLean, Virginia

Requirements

What you’ll need
  • Active TS/SCI with a FS Polygraph required
  • Bachelor’s degree or higher in Computer Science, Information Systems, Engineering, Mathematics, or another related scientific or technical discipline
  • Minimum of 2 years of software engineering experience within the last 5 years
  • Demonstrated experience with at least 3 of the following technologies: .NET, Visual Basic, Java, JavaScript, Tomcat, SQL, XML, Python, HTML, LDAP certificates, Apache, Ruby
  • Collectively, the team must demonstrate experience across all of the technologies listed above
  • Demonstrated experience supporting full-lifecycle Agile software development projects
  • Demonstrated experience with software issue-tracking tools such as JIRA
  • Desired: demonstrated experience developing Android applications
  • Desired: demonstrated experience designing, developing, and maintaining applications within AWS/Sponsor cloud computing environments
  • Desired: working knowledge of GIS software, including Google Maps and Google Earth
  • Desired: demonstrated experience with Continuous Software Development and Software Integration best practices
  • Desired: experience working with Information Security (INFOSEC) and Information Assurance (IA) policies, including ICD 503
  • Desired: demonstrated experience implementing the complete DevOps lifecycle, including build pipeline integration, automated deployments, compliance scanning, and test-driven development

Benefits

Comp & perks
  • Medical insurance
  • Dental insurance
  • Vision insurance
  • Life insurance
  • Short-Term Disability
  • Long-Term Disability
  • 401(k) match
  • Flexible Spending Accounts
  • EAP
  • Training and Tuition Assistance
  • Paid Time Off
  • Holidays
  • Professional growth and development opportunities
  • Flexible work arrangements are not offered; the posting states Remote: No