Principal Full-Stack Engineer

Role Overview

Seeking a Principal Full-Stack Engineer to lead development across:

• Mesh Rider radio firmware (embedded Linux)
• Mobile apps, including PTT Android
• Web-based configuration interfaces

Architect end-to-end solutions spanning embedded routers, mobile applications, and cloud management platforms.

Drive innovation in defense-grade wireless communication systems using strong technical leadership and AI-assisted development practices.

What You’ll Build

• Mesh Rider OS: Linux-based firmware for multi-band mesh radios with proprietary waveform tech
• PTT Android App: Push-to-talk app for seamless voice over mesh networks
• Config & Management UI: Web tools + APIs for device setup, fleet control, monitoring
• Integration APIs: Extensible APIs for custom mission integrations

Testing Requirements

• Unit Testing: Jest, Go testing, Flutter test
• Integration Testing: Across embedded, mobile, and backend systems
• E2E Testing: Playwright, Detox, Cypress
• Test Automation: CI/CD pipelines for firmware + app releases
• TDD/BDD: Applied to mission-critical systems

AI-Assisted Development

• Tools: Claude Code, GitHub Copilot
• Prompt engineering for code, debugging, docs
• MCP + plugin development knowledge
• AI-assisted debugging, refactoring, optimization
• Evaluate AI code for security and correctness

Tools & Practices

• Git: Advanced branching, merging, rebasing
• Code Review: Strong security-focused standards
• Agile/Scrum: Fast iterations with user feedback
• Performance: Optimize embedded + mobile systems
• Security: OWASP, FIPS awareness, AES-256

Tech Stack

• Embedded: Linux, C/C++, OpenWrt, Wi-Fi chipsets
• Backend: Go, Node.js, Python, REST APIs
• Mobile: Flutter, Android, React Native
• Web: React, TypeScript
• Testing: Jest, Playwright, Detox, Cypress
• DevOps: CI/CD, Docker
• AI Tools: Copilot, Claude, MCP
• Protocols: MANET, mesh networking, TAK

Nice to Have

• Full-stack (embedded → cloud)
• Defense/aerospace/robotics experience
• RF/mesh networking knowledge
• Published mobile apps
• Open-source contributions
• Mentoring experience
• Multi-paradigm programming
• TAK familiarity

Why Join

• Impact: Work on real-world tactical systems
• Innovation: RF + AI-driven development
• Growth: Fast-moving, high-ownership team
• Customers: Global leaders in defense and robotics
• Culture: Collaborative, high-performance environment