Senior Full Stack Software Developer w/poly

Sterling, Virginia, United States Position Title: Senior Full Stack Software Developer w/poly What Impact You'll Have As a Senior Full Stack Software Developer/Engineer, 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

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 • Bachelors degree in Computer Science or related field What Would be