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Senior Software Developer (Python) with Security Clearance

22nd Century Technologies, Inc.Lorton, VA🇺🇸United StatesPosted Sep 17, 2026

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Lorton, VA, United States
Posted
21 hours ago
DockerFastAPIMongoDBAWSAgileAzureBambooConfluenceGitGoogle CloudJavaJavaScriptJiraKubernetesPostgreSQLPythonRESTRabbitMQVueiOSAndroid

Job Description

We are seeking a highly motivated and skilled Software Developers to join our engineering team. The ideal candidate will have strong experience in backend development, and software engineering best practices. This role involves designing, developing, and maintaining automation frameworks, backend services, and scalable applications while collaborating with cross-functional teams in an Agile environment.

Key Responsibilities

  • Design, develop, and maintain automation solutions and frameworks for web, mobile, and backend applications.
  • Develop scalable backend services using Python and FastAPI.
  • Build and manage asynchronous task processing using Celery and RabbitMQ.
  • Develop and maintain RESTful APIs and data access layers.
  • Design, optimize, and maintain relational and NoSQL databases using PostgreSQL and MongoDB.
  • Utilize SQLAlchemy and other Object-Relational Mapping (ORM) tools for efficient database interactions.
  • Develop and execute automated test scripts for Android and iOS applications using Appium.
  • Troubleshoot, debug, and resolve software defects and performance issues.
  • Develop and maintain containerized applications using Docker and Kubernetes.
  • Maintain comprehensive technical documentation and adhere to coding standards.
  • Use Git and Atlassian tools (Jira, Confluence, Bamboo, and Bitbucket) for source control, project tracking, and CI/CD activities.
Required Qualifications
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field.
  • 5+ years of experience in software development and automation (or equivalent experience).
  • Strong programming experience in Python.
  • Working knowledge of Java and JavaScript.
  • Experience with FastAPI, Celery, and SQLAlchemy.
  • Experience with Vue.js or similar frontend frameworks.
  • Strong understanding of REST API development.
  • Experience with PostgreSQL and MongoDB.
  • Hands-on experience with Docker and Kubernetes.
  • Proficiency with Git and Atlassian tools (Jira, Confluence, Bamboo, and Bitbucket).
Required Technical Skills
  • Python
  • Java
  • JavaScript
  • FastAPI
  • Celery
  • SQLAlchemy
  • MongoDB/NoSQL
  • Docker
  • Kubernetes
  • Git
  • Jira, Confluence, Bamboo, Bitbucket
Preferred Skills
  • Experience designing scalable software architectures.
  • Knowledge of CI/CD pipelines and DevOps practices.
  • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
  • Experience with performance testing and test automation best practices.

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