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Software Engineer with Security Clearance

22nd Century Technologies, Inc.Lorton, VA🇺🇸United StatesPosted Oct 20, 2026

Why this role stands out

Thrive in a hybrid role designing and developing scalable applications for a prestigious government client, leveraging your Python, Java, and cloud expertise to make a significant impact. This position offers excellent opportunities for career growth and skill development within a collaborative team environment. Apply today to contribute to critical national security initiatives and advance your engineering career.

Quick overview

SeniorityMid Senior
Employment typeEmployee
Work modeHybrid
LocationLorton, VA, United States
Posted3 days ago
DockerFastAPIGCPGitAWSAngularBambooConfluenceJavaPythonVueRESTAzureNode.jsKubernetesJavaScriptJiraAgileCI/CDSystem Design

Job description

Job Title: Software Engineer
Client: FBI
Location: Lorton, VA (3 days onsite/2 days remote) Employment Type: Full-time
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Job Summary
We are seeking a highly motivated and skilled Software Engineer to design, develop, and maintain scalable applications and services. The ideal candidate has strong experience in backend development, modern web technologies, cloud-native tools, and mobile testing frameworks, along with a solid foundation in software engineering best practices.
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Key Responsibilities

  • Design, develop, and maintain robust, scalable, and high-performance applications. • Build and manage RESTful APIs and backend services using Python and Java. • Develop asynchronous and distributed systems using task queues and messaging frameworks. • Collaborate with cross-functional teams to define, design, and ship new features. • Write clean, maintainable, and efficient code following best practices. • Perform debugging, troubleshooting, and performance optimization. • Participate in architectural discussions and contribute to system design. • Ensure high code quality through unit testing and end-to-end testing. • Maintain technical documentation for systems and processes. • Work in Agile environments and actively contribute to sprint planning and reviews. ________________________________________
Required Technical Skills Programming Languages
  • Strong proficiency in Python • Solid understanding of JavaScript and frontend frameworks (Vue.js/Node. JS/Angular. JS) Backend & Frameworks
  • Experience with FastAPI • Hands-on experience with Celery for asynchronous task processing • Understanding of SQLAlchemy (ORMs and data modeling) DevOps & Containerization
  • Hands-on experience with Docker and containerized applications • Familiarity with Kubernetes for orchestration and deployment Version Control & Tools
  • Proficiency in Git • Experience with Atlassian tools: o Jira o Confluence o Bamboo o Bitbucket ________________________________________
Core Software Engineering Skills
  • Strong understanding of Agile methodologies • Experience in Unit Testing and End-to-End Testing • Strong debugging and problem-solving skills • Ability to create clear and concise technical documentation ________________________________________ ________________________________________

Preferred Qualifications

  • Familiarity with CI/CD pipelines • Exposure to cloud platforms (AWS, GCP, or Azure) is a plus Clearance:
  • Top Secret, willing to get CI/Poly

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