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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Secret-Cleared Full Stack Software Engineer/Developer - **Company:** 22nd Century Technologies, Inc. - **Location:** Lorton, VA, United States - **Experience:** Expert - **Salary:** $180,000.0 - $190,000.0 - **Contract:** Temporary to permanent - **Skills:** Testing (Software), Clean Code Principles, Java (Programming Language), JavaScript (Programming Language), Agile Methodology, Amazon Web Services, Confluence, JIRA, Unit Testing, Microsoft Azure, Cloud Computing, Databases, Continuous Integration, Data Security, Software Debugging, DevOps, Distributed Systems, Python (Programming Language), PostgreSQL, Messaging Application Programming Interface, MongoDB, NoSQL, Object-Relational Database, Performance Tuning, Scrum Methodology, E2e Testing, Software Construction, Software Engineering, SQLAlchemy, Backend, Git, Fastapi, Vue.js, Containerization, Kubernetes, Atlassian Tools, Bitbucket, Web Technologies, Celery, Front End Software Development, Restful APIs, Software Version Control, Atlassian Bamboo, Docker, Programming Languages, Microservices - **Published:** July 17, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=43166865bf8a297e ## About the Role Programming Languages: * Strong proficiency in Python . * Solid understanding of JavaScript and frontend frameworks (Vue.js) Backend & Frameworks: * Experience with FastAPI * Hands-on experience with Celery for asynchronous task processing * Strong understanding of SQLAlchemy (ORMs and data modeling) Databases: * Experience with PostgreSQL * Knowledge of MongoDB (NoSQL databases) 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 * Jira * Confluence * Bamboo * Bitbucket Core Software Engineering Skills: * Strong understanding of Agile methodologies * Experience in Unit Testing and End-to-End Testing * Knowledge of Object Relational Mappers (ORMs) * Strong debugging and problem-solving skills * Ability to create clear and concise technical documentation Architecture & Design Expertise: * Designing and building REST APIs * Developing efficient Data Access Layers * Working with Queues and Task Management Systems * Experience in scalable and distributed system design, * Experience with microservices architecture * Familiarity with CI/CD pipelines * Exposure to cloud platforms (AWS, GCP, or Azure) is a plus, * developing scalable full-stack applications : 5 years (Required) * Python, Java, FastAPI, Vue.js, REST APIs: 5 years (Required) * PostgreSQL, MongoDB, Docker, Kubernetes, Celery, SQLAlchemy: 5 years (Required) * Agile development, testing, CI/CD, cloud tech. : 5 years (Required) Security clearance: * Top Secret (Required) ## Description Job Description: Seeking a highly motivated and skilled Full Stack/Software Engineer to design, develop, and maintain scalable applications and services. The ideal candidate has strong experience (5+ years) in backend development, modern web technologies, cloud-native tools, and mobile testing frameworks, along with a solid foundation in software engineering best practices., * 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. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Top Must-Visit Developer Conferences in the US in 2026](https://www.wearedevelopers.com/magazine/679-top-must-visit-developer-conferences-in-the-us-in-2026)