Senior Full Stack Software DeveloperEngineer wPoly

Senior Full Stack Software Developer/Engineer w/Poly

Sterling, VA

TS/SCI + CI Poly

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What Impact You'll Have

As a Senior Full Stack Soft w are Developer/Enginee r, you will perform as an individual contributor and team member focused on developing and refining a command-and-control platform used by a wide variety of stakeholders. Soliciting and incorporating user feedback is paramount in developing a superior product. Ideal candidates will have full stack development experience, with demonstrated skills developing front-end applications and user interfaces, as well as employing back-end technologies and programming languages.

What You'll be Owning

• Lead design and development of applications, tools, and user interfaces supporting advanced data processing and command-and-control workflows
• Engage proactively with mission partners to understand operational use cases and convert high-level requirements into actionable features, work products, and technical specifications
• Collaborate with internal and external engineering teams to define interface control documents (ICDs), subsystem behaviors, and integration patterns
• Develop CONOPs, user guides, release notes, and technical artifacts supporting software delivery and stakeholder adoption
• Architect and optimize large scale data analysis pipelines using Spark, OpenSearch/Elasticsearch, and distributed data technologies
• Lead merge reviews, enforce coding standards, and guide peers in performance optimization and maintainability improvements
• Build and refine back end services and APIs that support high-performance data workflows
• Oversee testing strategies, diagnose complex issues, and ensure delivery of stable, high-reliability software
• Mentor junior developers, foster a high performing engineering culture, and support professional growth across the team
• Influence long-term technical direction, evaluate emerging technologies, and guide architectural decisions

What You Must Have

• Active TS/SCI with polygraph
• 10+ years of software engineering experience in fast-paced, collaborative environments
• Strong proficiency in Python and Java
• Experience building React front end applications and Django back end services
• Experience with DevOps workflows, CI/CD pipelines, and automated deployment
• Full stack development experience across front end and back end systems
• Recent experience building applications, analysis tools, or mission-focused software
• Bachelor's degree in Computer Science or related field

What Would be Nice to Have

• Knowledge of OpenSearch/Elasticsearch indexing, search, and analytics
• Demonstrated ability to reverse engineer applications and understand legacy systems
• Experience with messaging/task queues (Kafka, gRPC, Celery)
• Proficiency with containerization (Docker, Kubernetes)
• Experience with databases or data stores (MariaDB, MySQL, ValKey, PostgreSQL, Elasticsearch, InfluxDB, MongoDB)
• Experience with Open Telemetry (OTel) or similar observability framework
• Familiarity with collaboration and issue tracking tools such as GitLab, Jira, and Confluence

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