Junior Software Engineer - Cloud, APIs & Agile

Markon; McLean (VA); On-site; USD 90,000 - 125,000; Full time

Job summary

Markon is seeking a Junior Software Engineer to support an Intelligence Community client in McLean, Virginia. The role covers the full SDLC, including design, development, testing, deployment, and maintenance of mission-focused software across Sponsor networks and cloud environments.

You will work across application enhancements, software integrations, APIs, reusable libraries, testing, and operational reliability within an Agile framework.

Qualifications

• Active TS/SCI with FS Polygraph required to be considered.
• Bachelor's degree or higher in Computer Science or related field.
• Minimum of 2 years of software engineering experience within the last 5 years.
• Demonstrated experience with at least 3 of the listed technologies: .NET, Visual Basic, Java, Tomcat, SQL, XML, Python, HTML, LDAP certificates, Apache, Ruby.
• Demonstrated experience supporting full-lifecycle Agile software development projects.
• Experience with software issue-tracking tools such as JIRA.
• Experience designing, developing, and maintaining applications within AWS/Sponsor cloud environments.
• Working knowledge of GIS software, including Google Maps and Google Earth.
• Experience with DevOps lifecycle and security policies (INFOSEC/IA).

Responsibilities

• Develop and modify application source code in response to new requirements and change requests.
• Provide application bug fixes, enhancements, and GUI improvements to meet operational needs.
• Develop and deploy software 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 libraries' design, APIs, and code organization.
• Emphasize modularity, reusable code, and clean interfaces.
• Coordinate with configuration management to integrate external software.
• Develop software for deployment on Sponsor networks.
• Develop libraries involving audio/video, image-processing, OS and file systems, and device drivers.
• Support standards for product quality, release readiness, and software acceptance.
• Conduct testing throughout the SDLC; perform regression testing.
• Support Agile practices across the full lifecycle.
• Track software issues using JIRA; provide monthly reliability metrics.

Skills

Active TS/SCI

2+ years experience

REST APIs

AWS/Sponsor cloud

Java

Python

SQL

XML

HTML

JIRA

GIS tools

Education

Bachelor's degree in CS or related field

Tools

AWS

JIRA

Tomcat

Google Maps

Google Earth

.NET

Java

Python

SQL

XML

HTML

Job description

Markon is seeking a Junior Software Engineer to support an Intelligence Community client in McLean, Virginia. The role covers the full SDLC, including design, development, testing, deployment, and maintenance of mission-focused software across Sponsor networks and cloud environments.

You will work across application enhancements, software integrations, APIs, reusable libraries, testing, and operational reliability within an Agile framework.