Principal Software Engineer

The 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 features

Developer tooling that enable our engineers to move fast and deliver

Frontend infrastructure and shared services for product teams

CI pipelines that ensure fast and reliable builds

Testing and validation platform that maintains code and product quality

The monitoring and logging stack that ensures observability and trust

Our 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 skills

Ability 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?

For jobs located in the United States, please visit the job posting on the Snowflake Careers Site for salary and benefits information: careers.snowflake.com