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Mid-Level Backend Software Engineer

Ennoble First

Posted today

Job Requirements

Gaithersburg
Top Secret/SCI Polygraph
Career Level not specified
$110,000 - $130,000

Job Description

Mid-Level Backend Software Engineer

Location: Gaithersburg, MD

Required Clearance: Active TS/SCI with the Ability to Successfully Complete a Polygraph

Employment Type: Full-Time Regular

Shift: Day

Travel: No

Relocation Assistance: Yes

Company Overview

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. There is no challenge we can't turn into an opportunity.

Position Overview

Ennoble First is seeking a Mid-Level Backend Software Engineer to support an Intelligence Community customer in Gaithersburg, Maryland. This position supports a high-visibility, data-driven application used across the organization for analytics and reporting.

The Backend Software Engineer will build and maintain core backend services, develop RESTful APIs, support data-driven functionality, and contribute to ongoing system enhancements within a Linux-based environment. The position directly supports system reliability, performance, and data accuracy for mission stakeholders.

Primary Responsibilities
  • Design, develop, test, and maintain backend application components using Java or Python.
  • Develop and maintain RESTful services supporting application functionality and system integrations.
  • Apply object-oriented design principles to build scalable and maintainable systems.
  • Write and modify SQL queries to support application functionality and data retrieval.
  • Collaborate with internal and external teams to understand data sources, formats, and access methods and support their integration into backend systems.
  • Develop and troubleshoot applications within Linux-based environments.
  • Implement backend logic supporting data transformation, processing, and system workflows.
  • Identify, debug, and resolve application-level defects and performance issues.
  • Follow coding standards, participate in code reviews, and support documentation efforts.
Required Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, or a related field with 4-8 years of experience, or Master's degree with 2-6 years of experience.
  • Professional experience developing object-oriented applications in Java or Python.
  • Hands-on experience building and maintaining RESTful APIs.
  • Basic to moderate SQL experience, 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.
Preferred Qualifications
  • Experience with Apache Airflow or similar workflow orchestration technologies.
  • Experience with Spring Boot, Django, or similar backend frameworks.
  • Exposure to CI/CD pipelines such as GitLab, Jenkins, or similar technologies.
  • Familiarity with containerization technologies such as Docker or OpenShift.
  • Exposure to cloud environments such as AWS or Azure.
  • Experience working in Agile development environments.
Pay Range

$110,000-$130,000

The Ennoble First pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Equal Employment Opportunity

Ennoble First is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to any characteristic protected by law.

E-Verify Participation

Ennoble First participates in E-Verify. Learn more at www.dhs.gov/E-Verify.

E-Verify is a registered trademark of the U.S. Department of Homeland Security.

Ennoble First is committed to providing a diverse and inclusive work environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Ennoble First participates in E-Verify.

The information below will be listed on our website's careers landing page.

EEO is the Law | Pay Transparency Nondiscrimination

www.dhs.gov/E-Verify

E-Verify is a registered trademark of the U.S. Department of Homeland Security. This business uses E-Verify in its hiring practices to achieve a lawful workforce.
group id: 90783838

At Ennoble First, we’re proud to serve and partner with leading federal agencies—including the DoD, NGA, U.S. Air Force, U.S. Army, DIA, Department of State, and U.S. Cyber Command—as well as trusted industry innovators like AWS, Lockheed Martin, Northrop Grumman, Booz Allen, CACI, Leidos, and Splunk. Together, we deliver secure, agile IT solutions that advance intelligence, defense, healthcare, and national security.  What sets us apart is our people. We believe in empowering bold thinkers, fostering collaboration, and creating an environment where health, family, and work stay in balance. We embrace diverse perspectives, encourage innovation, and ensure every team member feels supported and connected.  When you join Ennoble First, you’re not just filling a role—you’re becoming part of a community that values you, challenges you, and helps you grow while making an impact on missions of national importance.

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About Us
Ennoble First is a high-tech solutions and services company dedicated to supporting the nation’s most critical missions. We partner with federal agencies across defense, intelligence, and national security, delivering agile, data-driven technologies that enhance efficiency, reduce risk, and empower smarter decisions.  Our expertise spans data engineering and management, intelligent automation, AI, enterprise systems, advanced cybersecurity, research and development, and strategic talent support. These capabilities allow us to address today’s complex challenges while preparing organizations for the threats and technologies of tomorrow.  Trusted by agencies such as the Department of Defense, U.S. Cyber Command, and leading federal health organizations—as well as top industry partners—we’re known for providing secure, innovative, and mission-focused solutions that make a real impact. At Ennoble First, we don’t just deliver technology—we help safeguard the future.
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Ennoble First Jobs


Job Category
IT - Software
Clearance Level
Top Secret/SCI