We are seeking a Principal Software Engineer with deep expertise in computer graphics to lead the design and delivery of large-scale, production systems. This is a high-impact, technical leadership role for someone who thrives on leading from the front. You will not just set the strategy; you will be a primary individual contributor, writing critical-path code and driving implementation for our most complex geometry-driven systems. You Will: Architect & Execute: Design and ship complex computer graphics systems, owning the technical roadmap and end-to-end delivery of large, cross-functional initiatives. Lead through Code: Act as a hands-on technical leader, dedicating a significant portion of your time to contributing high-quality code to core systems. Drive Technical Strategy: Influence architectural decisions across multiple teams by proving out concepts through direct implementation and rigorous design reviews. Collaborate & Translate: Partner with Product, Design, and Research to transform ambiguous requirements into performant, scalable, and maintainable technical solutions. Raise the Bar: Ensure all systems meet elite standards for reliability and performance, identifying technical risks early and leading the implementation of mitigations. Mentor: Foster a culture of engineering excellence by leveling up senior engineers through hands-on code reviews and technical guidance.