Mid-Level Backend Software Engineer Security Clearance

Mid-Level Backend Software Engineer

Location:

Gaithersburg, Maryland;
Alexandria, VA;
Chantilly, VA;
Aurora, CO;
St. Louis, MO;
Tucson, AZ
Clearance:
Top Secret/SCI with the ability to successfully pass a Polygraph

Schedule:

Full Time
Travel:
Yes, 10% of the time
Remote:
No

We are Ennoble First. The people supporting and securing some of the most complex government, defense, and intelligence projects across the country. We ensure today is safe and tomorrow is smarter. Our work has meaning and impact on the world around us, but also on us, and that’s important. Ennoble First is your place. You make it your own by embracing autonomy, seizing opportunity, and being trusted to deliver your best every day.

We think. We act. We deliver.

This position supports a newly awarded five-year effort delivering modern, mission‑critical software capabilities to a national security customer. The program leverages Agile development, Dev Sec Ops  practices, and cloud‑native technologies to build and enhance scalable enterprise solutions supporting critical mission operations. Engineers on this effort will work with cross‑functional teams to design, develop, and deploy impactful capabilities while helping shape the architecture and technical direction of a long‑term, high‑visibility program.

We are seeking a Backend Software Engineer to support the development and maintenance of core backend services for a high‑visibility, data‑driven application used across the organization for analytics and reporting. This role focuses on building scalable services, developing RESTful APIs, and supporting data‑driven functionality within a Linux‑based environment. The ideal candidate has experience with object‑oriented programming, backend development, and working with data in application environments.

This individual will contribute to system performance, reliability, and ongoing enhancements while supporting mission‑critical capabilities.

• Backend Development:
  Design, develop, test, and maintain backend application components using Java or Python
• REST API Development:
  Develop and maintain RESTful services to support application functionality and system integrations
• Object‑Oriented Programming:
  Apply object‑oriented design principles to build scalable and maintainable systems
• Database Development:
  Write and modify SQL queries to support application functionality and data retrieval
• Data Source
  
  Collaboration:
  
  Collaborate with internal and external teams to understand data sources, formats, and access methods, and support integration into backend systems
• Linux Environments:
  Develop and troubleshoot applications within Linux‑based environments
• Data Processing & Business Logic:
  Implement backend logic for data transformation, processing, and system workflows
• Bug Fixing & Enhancements:
  Identify, debug, and resolve application‑level defects and performance issues
• Code Quality:
  Follow coding standards, participate in code reviews, and support documentation efforts

• Bachelor’s degree in Computer Science, Software Engineering, or a related field with 4‑8 years of experience; or a Master’s degree with 2‑6 years of experience
• Active TS/SCI with the ability to successfully pass a Polygraph
• Professional experience developing object‑oriented applications in Java or Python
• Hands‑on experience building and maintaining RESTful APIs
• Basic to moderate experience with SQL capability, including writing queries and working with relational databases
• Working knowledge of Linux‑based environments
• Ability to work independently on defined tasks within established technical frameworks and deliver reliable results

• Experience with Apache Airflow or similar workflow orchestration technologies
• Experience with Spring Boot, Django, or similar backend frameworks
• Exposure to CI/CD pipelines (Git Lab, Jenkins, etc.)
• Familiarity with containerization (Docker, Open Shift)
• Exposure to cloud environments (AWS or Azure)
• Experience working in Agile development environments

$105,000‑$125,000 The Ennoble First pay range for this job level is a general guideline only and not a…