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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 Remote 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. Program Overview 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, DevSecOps 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. Position Overview 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. Primary Responsibilities • 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 Required Qualifications • 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 Desired Qualifications • Experience with Apache Airflow or similar workflow orchestration technologies • Experience with Spring Boot, Django, or similar backend frameworks • Exposure to CI/CD pipelines (GitLab, Jenkins, etc.) • Familiarity with containerization (Docker, OpenShift) • Exposure to cloud environments (AWS or Azure) • Experience working in Agile development environments Pay Range $105,000-$125,000 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. E-Verify This employer participates in E-Verify. E-Verify is an Internet-based system that allows businesses to determine the eligibility of their employees to work in the United States. Equal Employment Opportunity Ennoble First is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status. 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.