Software Engineer – Full Stack - Internal AI Tools Team

Voyager is an innovative defense, national security and space technology company committed to advancing and delivering transformative, mission-critical solutions. We tackle the most complex challenges to unlock new frontiers for human progress, fortify national security, and protect critical assets to lead in the race for technological and operational superiority from ground to space. Forge the Future: Join Voyager Technologies The future belongs to those who build it. At Voyager Technologies, we’re building technologies that protect lives, expand frontiers and prepare us for what’s next. And we’re doing that with people who are wired to solve, build, adapt and lead. These roles are not for the faint of heart. You’ll help lay the foundation for humanity's future. Join a culture where innovation thrives, curiosity is rewarded, and impact is real. We’re a company of doers, thinkers and builders, united by purpose and grounded in reality. If you want to put your skills to work where the stakes are real and the mission is bigger than any one person,  forge the future with Voyager. ____________________________________________________________________________________ Job Summary: We are seeking a Full Stack Software Engineer to build the frontend and backend of the Agentic Computational Engineering platform. In this role, you will create high-performance full stack web applications that allow engineers to steer AI agents, visualize complex physics and CAD data, and collaborate with AI agents in real time. You will work across the stack, with an emphasis on performance, 3D visualization, and intuitive UX for technical users. This role is ideal for someone who loves building tools for other engineers and who wants to make the reasoning and actions of AI systems transparent. You will be joining the Agentic Computational Engineering (ACE) team, a specialized group within our Advanced Technology Development organization. ACE is responsible for building Voyager’s Generative Engine – the AI-native platform that compresses complex hardware development cycles from years to days. We design agentic AI systems that pair deeply with physics simulation, test data, and modern manufacturing so that Design for Manufacturing (DfM), Design for Assembly (DfA), and Design for Test (DfT) are built into the very first line of code and the very first sketch of a design. Responsibilities: Design and build web applications that serve as mission control for ACE, with a focus on responsiveness and usability for expert users. Implement high-fidelity 2D/3D visualizations (e.g., CAD models, PCB layouts, CFD fields) using technologies such as Three.js, WebGL, or WebGPU. Create features that expose agent reasoning, tool usage, and design history in transparent and intuitive ways for engineers. Develop real-time, collaborative editing and review workflows (e.g., via WebSockets, CRDTs) for human-AI co-design. Collaborate with backend, platform, and domain team members to design APIs and data contracts that power the UI. Manage agentic teams of LLMs to scaffold components, generate documentation, and accelerate development. Required Qualifications: An ability to define design decisions and build rapidly in a scalable way. 1–5 years of experience as a full-stack or frontend-focused software engineer (exceptional new graduates encouraged to apply with a strong portfolio). Experience with modern web frameworks such as React and Next.js, and with state management for complex applications. Strong understanding of JavaScript/TypeScript, HTTP APIs, and browser performance optimization. Exposure to 3D graphics or data visualization on the web (WebGL/WebGPU/Three.js or similar) through professional work, coursework, or personal projects. Demonstrated habit of using AI tools to accelerate implementation, styling, and documentation. Preferred Qualifications: Bachelor’s degree in Computer Science, Engineering, Physics, Mathematics or a related field; or equivalent experience. Experience building software tools for engineers, scientists, or technical operations teams. Portfolio of creative coding, generative art, or game development projects. Familiarity with design systems and UX best practices for technical users. Deep passion for automation. Voyager offers a comprehensive, total compensation package, which includes competitive salary, a discretionary annual bonus plan, paid time off (PTO), a comprehensive health benefit package, retirement savings, wellness program, and various other benefits. When you join our team, you’re not just an employee; you become part of a dynamic community dedicated to innovation and excellence. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State. Voyager is an Equal Opportunity Employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law. Minority/Female/Disabled/Veteran The statements contained in this job description are intended to describe the general content and requirements for performance of this job. It is not intended to be an exhaustive list of all job duties, responsibilities, and requirements. This job description is not an employment agreement or contract. Management has the exclusive right to alter the scope of work within the framework of this job description at any time without prior notice. California pay range $120,000 — $180,000 USD Washington DC pay range $120,000 — $180,000 USD Washington pay range $120,000 — $180,000 USD

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