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Junior Software Developer; Clearance Required

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: Noblis
Full Time position
Listed on 2026-07-18
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer, Backend Developer, Python
Salary/Wage Range or Industry Benchmark: 90700 - 141775 USD Yearly USD 90700.00 141775.00 YEAR
Job Description & How to Apply Below
Position: Junior Software Developer (Clearance Required)

Responsibilities

Noblis is seeking to hire a Software Developer with an active TS/SCI with a Polygraph to support mission-critical national security initiatives.

As a Software Developer on our team, you will collaborate with federal clients to rapidly design and deliver innovative solutions that address their most pressing mission challenges. You will work with a team of other developers, data scientists, and subject matter experts (SMEs, and to design and develop new applications and integrate new solutions on existing applications.

In this role, you will analyze client challenges and develop effective technical solutions by evaluating and applying modern tools, technologies, and best practices. You will design and build a variety of applications while contributing to all phases of the software development lifecycle, including programming, debugging, testing, and deployment.

Success in this position requires strong collaboration and communication skills. You will work closely with your teammates, technical leads, and clients to provide regular project updates, discuss technical approaches, and ensure solutions meet mission objectives.

Job Responsibilities
  • Apply state-of-the-art technologies to solve complex mission challenges.
  • Develop cutting edge solutions that maximize system performance, stability, scalability, and distributed processing capabilities.
  • Design and implement high-performance, scalable applications using modern software engineering best practices.
  • Collaborate in an Agile development environment, working closely with clients to rapidly iterate on requirements and deliver solutions.
Required Qualifications
  • Active Top Secret/SCI (TS/SCI) clearance with a current Polygraph
  • Bachelor’s degree with 3 years of related experience; OR Master's degree with 1 year of related experience; OR associate’s degree with 6 years of related experience; OR High School diploma/GED with 9 years of related
  • Full-stack software development experience using Python and Java Script
  • Experience with one or more database technologies (e.g., PostgreSQL, MySQL, Oracle, and MongoDB)
  • Understanding of software testing principles and quality assurance best practices
  • Experience with the Software Development Lifecycle (SDLC) and modern software development methodologies
  • Proficiency with Git version control and pull request workflows
  • U.S. Citizenship is required
Desired Qualifications
  • Ability to manage and support multiple projects in a dynamic environment.
  • Experience with containerization and orchestration technologies, including Docker and Kubernetes.
  • Experience developing and deploying applications in cloud environments.
  • Knowledge of Python web frameworks such as FastAPI and Flask.
  • Ability to learn new technologies and contribute across multiple layers of the software stack.
  • Familiarity with Agile development methodologies and experience working in Agile teams.
  • Proficiency in Python3
Overview

Noblis and our wholly owned subsidiaries, Noblis ESI and Noblis MSD, take on some of the nation’s toughest challenges, delivering advanced solutions to our customers’ most critical missions. We bring together leading scientific, engineering, and management expertise in a culture grounded in objectivity and collaboration, ensuring our work creates lasting impact across federal missions.

We work with a broad range of government agencies in the defense, intelligence, and federal civilian sectors. Learn more and find opportunities lis.org ((Use the "Apply for this Job" box below).)

Why Work at Noblis

At Noblis, we share a passion for excellence and innovation, and we create an environment where people can do meaningful work while maintaining the balance that keeps them energized and fulfilled. We seek out individuals with a natural curiosity and desire to collaborate and learn. We believe our people are our greatest strength, and we consistently seek exceptionally skilled, mission‑driven professionals who care deeply about doing work that enriches lives and makes our nation safer.

Noblis has earned numerous workplace awards () for our culture, our commitment to employee well‑being, and our dedication to meaningful,…

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