Full Stack Software Engineer; SME

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Location: Chantilly, VA
Security Clearance: Active TS or higher [Required]
Job Type: Full-Time
Target Salary Range*:$150,000 - $175,000

* This represents the potential salary range for this position depending on education level, years of experience and/or certifications in addition to other position specific requirements which may impact salary

The Full Stack Software Engineer (SME) serves as the principal authority for full-stack architecture, application modernization, secure development practices, and enterprise technology integration. This role leads the design, development, and optimization of scalable web applications across frontend, backend, middleware, data, and cloud technologies.

The Full Stack Software Engineer (SME) combines strategic technical leadership with hands‑on development to ensure applications are secure, high-performing, interoperable, and aligned with enterprise architecture standards, zero‑trust principles, and complex cross‑enclave requirements.

• Lead the design, development, and optimization of scalable full-stack applications.
• Provide technical direction across frontend, backend, middleware, API, and database technologies.
• Establish and enforce software architecture and development standards across teams.
• Design applications for scalability, maintainability, interoperability, performance, and security.
• Lead application modernization and enterprise technology integration initiatives.

• Develop and support applications using Bootstrap and Django/Python.
• Design and maintain MySQL database integrations.
• Integrate Elasticsearch/Open Search and RabbitMQ into application architectures.
• Develop and support applications using React, Node.js, Python, Redis, and Elasticsearch/Open Search.
• Support open-source assembly line applications and minor upstream open-source development.
• Integrate reasoning components, retrieval systems, databases, and AI/GenAI services into application solutions.

• Support Kubernetes-based application environments.
• Develop and maintain Infrastructure as Code using Terraform.
• Design and support Git Lab CI/CD pipelines.
• Manage software artifacts and dependencies using JFrog Artifactory.
• Support application deployment and integration within AWS cloud environments.
• Apply secure development and Dev Sec Ops  practices throughout the software lifecycle.

• Design and optimize relational and non-relational database solutions.
• Troubleshoot complex application, integration, and database issues.
• Optimize application and database performance.
• Support highly available and scalable application architectures.

• Apply zero‑trust principles and secure enterprise application development practices.
• Support application interoperability across complex cross‑enclave environments.
• Integrate applications with enterprise systems, APIs, databases, retrieval platforms, and AI/GenAI services.
• Ensure application architectures align with enterprise security and technology standards.

• Serve as the subject matter expert for full-stack architecture and application engineering.
• Lead technical initiatives and provide architectural guidance across development teams.
• Establish development standards, best practices, and reusable engineering patterns.
• Provide…