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# Senior Full Stack Software Developer/Engineer w/Poly

- **Company:** GRVTY, LLC
- **Location:** Sterling, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Data Analysis, Confluence, JIRA, Big Data, Databases, Continuous Integration, Data Stores, DevOps, Distributed Data Store, Django Web Framework, Elasticsearch, Network Interface Controllers, Design of User Interfaces, Issue Tracking Systems, Python (Programming Language), PostgreSQL, MariaDB, MongoDB, MySQL, Performance Tuning, Reverse Engineering, Software Engineering, Strategies of Testing, Data Processing, ReactJS, Apache Spark, Software Application Programming, Indexer, Gitlab, Containerization, Kubernetes, Information Technology, Influxdb, Deployment Automation, Apache Kafka, Celery, Front End Software Development, Grpc, Docker, Legacy Systems, Programming Languages
- **Published:** August 2, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9064289/senior-full-stack-software-developerengineer-wpoly

## About the Role

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., * 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-PS1

## Description

* 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


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