Senior Full Stack Software Developer w/poly

What Impact You'll Have Join a mission-driven program with high impact on National Security. This isn't just a development role, it's a chance to build solutions that protect what matters most! 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 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 #LI-CW1 Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications. We’re proud to offer a work environment that empowers our team to achieve a strong work-life balance. GRVTY provides competitive pay, comprehensive benefits, and meaningful opportunities for professional growth. Our benefits package is designed to support the well-being of our employees and their families, and includes coverage in areas such as healthcare, financial wellness, retirement planning, family assistance, continued education, and paid time off. Virginia Pay Range $145,000 — $185,000 USD Why Choose GRVTY The toughest national security challenges demand vision and ingenuity, not just resources. We deliver mission and technical expertise to outpace our adversaries. We’re purpose-built to tackle the most entrenched, systemic national security issues around the world. We partner with our customers to help them overcome challenges in every corner of technology and defense—including the ones still being explored. Our growing capabilities create complementary advantages, giving on-the-ground operations the edge they need to succeed. We muster everything we have to answer every challenge presented, every day of our lives. At GRVTY, we believe that when our employees thrive, our company thrives. That’s why we offer a comprehensive and competitive benefits package designed to support your well-being, growth, and work-life balance. • Robust health plan including medical, dental, and vision • Health Savings Account with company contribution • Annual Paid Time Off and Paid Holidays • Paid Parental Leave • 401k with generous company match • Training and Development Opportunities • Award Programs • Variety of Company Sponsored Events EEO Statement GRVTY, is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran and will not be discriminated against on the basis of disability. Anyone requiring reasonable accommodations should email  recruiting@grvty.com  or call 703-544-7930 with requested details.  A member of the HR team will respond to your request within 2 business days. Know Your Rights: Workplace Discrimination is Illegal (eeoc.gov) Please review our current job openings and apply for the positions you believe may be a fit. If you are not an immediate fit, we will also keep your resume in our database for future opportunities.