Principal Software Engineer

SnowflakeAt Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don't just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done.About The TeamThe Apps & Experiences (AppEx) organization powers the unified user experience (Snowsight) for Snowflake. Every major Snowflake customer interacts with our platform through these surfaces, making AppEx central to both customer satisfaction and revenue growth.Within Appex, our team sits at the intersection of AI, platform, and user experience. We are on a mission to create an AI-first, scalable, maintainable, and extensible platform to build all Snowflake user experience features. The team owns:The serving layer that powers Snowsight, Snowflake CoWork, and UX featuresDeveloper tooling that enable our engineers to move fast and deliverFrontend infrastructure and shared services for product teamsCI pipelines that ensure fast and reliable buildsTesting and validation platform that maintains code and product qualityThe monitoring and logging stack that ensures observability and trustWhat You Will DoAs a software engineer on the team, you will play a central role in delivering the next generation of tools and evolve our developer infrastructure and tooling to be scalable, highly performant, and AI-first.Design and build AI-first platforms, tools, and best practices to significantly enhance the developer experience for SnowsightDrive strategy and initiatives to improve agentic development workflows and build infrastructure to support 10x increases in developer productivityImprove platform reliability by investing in observability, alerting, SLOs, and automated remediation across our systems.Collaborate with product managers, architects, other engineering teams, and business groups, to drive end-to-end solutions.Contribute to improving our engineering processes, tooling, and standards.What We're Looking ForOur ideal Principal Software Engineer will have:Strong passion for making developers highly productive.12+ years industry experience developing tools for large codebases.Passion for AI-first processes and for building platforms that enable many teams to move faster while keeping systems maintainable and safe.Experience with or strong interest in AI or LLM-based applications (agents, prompt/tool engineering, evals, or productionized AI features)Experience working on enterprise-grade build systems.Excellent problem solving skills, and strong CS fundamentals including data structures, algorithms, and distributed systems.Fluency in Go, Java, or Python.Ability to work in a team environment, collaborate well, and mentor junior engineers.A strategic mindset and strong sense of what to prioritize for maximum impact.Excellent interpersonal communication skills.Outstanding written and oral English language skillsAbility to work on-site at our Bellevue, WA or Menlo Park, CA offices.If you're excited about building the platform and AI systems that power how the world's largest companies experience Snowflake, we'd love to hear from you.Snowflake is growing fast, and we're scaling our team to help enable and accelerate our growth. We are looking for people who share our values, challenge ordinary thinking, and push the pace of innovation while building a future for themselves and Snowflake.How do you want to make your impact?