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The Arena

Full Stack Engineer

The Arena, Baltimore, Maryland, United States, 21276

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Clearance:

Active Secret clearance required (TS/SCI preferred) Employment Type:

Full-time, salaried, with full benefits Overview

About the Company: We partnered with a fast-growing defense technology innovator that’s reshaping how AI, advanced sensors, and data platforms are applied in national security. Their solutions are built for the real world — from cloud environments to highly secure, mission-critical settings — and deployed in some of the most demanding conditions. The team combines experienced operators and forward-thinking engineers, united by a passion for solving high-stakes problems with cutting-edge technology. If you want your work to matter and thrive in an environment where innovation meets mission, this is the place to be. About the Role

As a Full Stack Engineer, you’ll design and deliver end-to-end solutions across client and server applications. This role offers the chance to work hands-on with modern front-end and back-end frameworks, optimize databases, and build mission-ready software for secure and edge deployments. You’ll also have opportunities to grow into technical leadership or specialized tracks. What You’ll Do

Build and maintain secure, high-performance web applications Develop modern UIs with React/Next.js, TypeScript, Tailwind CSS Implement APIs and back-end services with Node.js & Python Manage relational databases (PostgreSQL/MySQL) and optimize performance Contribute to CI/CD pipelines, Docker-based deployments, and AWS cloud environments What We’re Looking For (Must-Haves)

Active U.S. Government Secret clearance (TS/SCI strongly preferred) Professional experience with React/Next.js, TypeScript, Node.js, and Python Hands-on with PostgreSQL/MySQL and advanced SQL Experience deploying with Docker, CI/CD pipelines, and AWS Ability to apply secure coding practices in classified or sensitive environments Nice to Have

Experience with GraphQL, Kubernetes, Terraform/Pulumi, or Kafka/Redpanda Prior deployments to classified, air-gapped, or edge environments Open-source contributions or strong GitHub presence Why Join

Work on mission-critical AI and defense technology where your impact is tangible Hybrid flexibility — occasional in-person collaboration, no daily commute Competitive salary + equity participation

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