user avatar

Journeyman Software Developer

Ennoble First

Today
Top Secret
Unspecified
Polygraph
IT - Software
Saint Louis, MO (On-Site/Office)

Journeyman Software Developer

Location: St. Louis, MO

Required Clearance: Top Secret

Employment Type: Full-Time Regular

Shift: Day

Travel: No

Relocation Assistance: Yes
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.

At Ennoble First, we help our clients produce new business value with emerging technologies. Our teams deliver solutions across artificial intelligence, machine learning, predictive analytics, robotic process automation, blockchain, and extended reality. Whether supporting the mission of national defense or advancing critical enterprise systems, we bring innovation, integrity, and agility every step of the way.

Primary Responsibilities:


  • This position involves software development activities that support building and delivering new and innovative systems to implement analytics, exploitation, production and dissemination using web, remote desktop, and cloud technologies. This position will require 3 years of Python, C#/Java Development framework, 4 years' experience with unit testing, continuous integration tools and Gitlab Version Control, experience with service-oriented environments (Cloud, SOA, Web-Services) or virtualization, can plan and prioritize work with Confluence/Jira based environments with clear and present ideas in a variety of ways depending on audiences and context.

    Program core hours are 9am-3pm ET. Evening or weekend work can be required (approx. 2 times a month but can vary by mission requirements). When required, schedule changes will be arranged.


Minimum Education/Experience Requirements:


  • Investigate, diagnose and resolve complex issues in our backend systems including REST APIs, databases and applications.


  • Proficient in C# / Java and knowledge of JavaScript/TypeScript.


  • This role includes creation and documentation of new and existing functionality within software version control repositories (gitlab) and utilizing DevOps principals and tools to deliver new features within an Agile construct.


  • Participate in program Agile software development initiatives (standup, planning, Increment planning) to support innovation and enhancement of custom applications through iteration/functionality testing utilizing Atlassian (Jira/Confluence)


  • Primary responsibilities will involve using cloud computing expertise to provide the system administration and modification of existing GOTS code to integrate open-source software solutions for display in a web application. This role includes API development and database integration for interaction with Redux and React frameworks, using various open-source packages for visualization and data filtering and code modifications that shall apply best practices in unit and build testing.


  • Participate and collaborate with team members to assess tickets to ensure proper testing and delivery of functionality per User Story Acceptance Criteria


Desired Skills:


  • At least 4 years of experience with Linux and/or Windows system administration


  • At least 4 years of experience with DoD Aeronautical Datasets


  • At least 4 years of experience with AWS cloud formation templates


  • At least 4 years of experience with Node, NPM, Swashbuckle, REST API, Sass


  • 4+ years of experience C# Developer, DevOps certification


  • Team Collaboration tools (Jira, Confluence)


  • Active TS/SCI with Polygraph


  • DOD 8570 Compliant Certification (Sec+)



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.

job ad image
Find Ennoble First on Social Media
Network Employers
user avatar
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, national security, and healthcare, delivering agile, data-driven technologies that enhance efficiency, reduce risk, and empower smarter decisions.  Our expertise spans data engineering and management, intelligent automation, 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.
job ad2 image

Ennoble First Jobs


Job Category
IT - Software
Clearance Level
Top Secret