Principal Software Engineer, Real-Time Platforms

Mission.dev is seeking a Principal Software Engineer to lead real-time enterprise-grade systems built with Angular, Spring Boot, LiveKit, and WebRTC. This senior IC role emphasizes architectural judgment, mentorship, and technical influence over people management.

You will modernize legacy code, drive quality, and guide teams toward scalable, maintainable solutions. You will own frontend and backend design decisions, while ensuring reliability, performance, and secure API design across real-time