NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for 30 years. It’s an outstanding legacy of innovation that’s motivated by great technology—and outstanding people. Today, we’re tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what’s never been done before takes vision, innovation, and the world’s best talent. As an NVIDIAN, you’ll be immersed in a diverse, encouraging environment where everyone is inspired to do their best work. Come join the team and see how you can make a lasting impact on the world. We are looking for a Principal Software Engineer to drive the evolution of our AI-powered employee experiences across web and mobile, partnering with our global teams to push the technical boundaries of what’s possible. What you’ll be doing: • Lead and code end-to-end features that power a seamless, AI-rich employee experience across web and native mobile apps. • Architect highly performant services and UIs that surface personalized content, knowledge, and search results to a global workforce. • Embed LLM and vector-search capabilities into existing product surfaces, driving relevance and continuous learning loops. • Own system design reviews, code reviews, and technical roadmaps raising the engineering bar and mentoring engineers across the team. • Integrate third-party HRIS, collaboration, and productivity platforms to create cohesive, automated user journeys. • Champion modern front-end patterns (React/Next.js, TypeScript, Tailwind) and cloud-native back-end practices (K8s, containers, CI/CD). • Instrument robust observability, tracing, structured logging, and SLA dashboards, helping our SREs achieve 24×7 reliability for employees in every region. • Uphold security, privacy, and accessibility standards across all user journeys. What we need to see: • BS, MS, or PhD in Computer Science, Electrical/Computer Engineering, Physics, Mathematics, other Engineering or related fields (or equivalent experience) • 15+ years of full-stack product engineering, including 3+ years at the principal or staff level guiding cross-functional teams. • Proven track record delivering consumer-grade web and/or mobile experiences at scale. • Expertise in search, recommendation, or applied-AI systems. • Hands-on experience with modern cloud infrastructure, K8s, and automated CI/CD. • Strong data-modeling with relational and NoSQL stores. • Fluency in application security. • Excellent mentoring, comfortable setting vision and rolling up sleeves. Ways to stand out from the crowd: • Shipped gen AI features (RAG, copilots, chatbots) to thousands of daily users. • Contributions to open-source search or front-end frameworks. NVIDIA is widely considered to be one of the technology world’s most desirable employers. We have some of the most forward-thinking and hardworking people in the world working for us. If you're creative, results-oriented and enjoy learning while having fun, then what are you waiting for? Apply today! Your base salary will be determined based on your location, experience, and other objective job-related factors. The expected base salary range for this position is 248,000 USD – 391,000 USD. You will also be eligible for equity and benefits. Applications for this job will be accepted at least until November 3, 2026. This posting is for an existing vacancy.  NVIDIA uses AI tools in its recruiting processes. NVIDIA is committed to fostering an inclusive work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.