Staff Software Engineer

US-WA-Bellevue, Remote. Posted a month ago

The role

You will own the web performance strategy for Snowsight, a large single-page application. You will build performance infrastructure, identify systemic bottlenecks, and optimize build and delivery processes.

What you will do

Define and drive the web performance strategy for Snowsight.
Build and maintain performance infrastructure including monitoring pipelines and dashboards.
Identify and fix systemic performance bottlenecks across the application lifecycle.
Optimize build and delivery including bundle size and resource prioritization.
Establish performance budgets and guardrails integrated into CI/CD.
Partner with product teams to design performance-aware architectures.
Mentor engineers on performance best practices.
Represent frontend performance perspective in cross-org architectural decisions.

Required qualifications

8+ years of software engineering experience.
Deep expertise in web performance for large-scale, complex web applications.
Expert-level JavaScript/TypeScript and React knowledge.
Strong understanding of browser performance fundamentals.
Experience designing and operating RUM and synthetic performance monitoring at scale.
Deep knowledge of build tooling and delivery optimization.
Experience with large dataset rendering.
Strong communication and influence skills.
Experience working in a platform or infrastructure role where customers are other engineering teams.
Ability to work on-site at Bellevue, WA or Menlo Park, CA offices.

Nice to have

Familiarity with server-side rendering, streaming SSR, or edge rendering patterns.
Familiarity with browser engines or internals (V8, Chromium, Webkit).
Contributions to web performance standards, browser APIs, or open-source performance tooling.
Experience with observability platforms (Datadog, Grafana, etc) and building internal performance tooling.
Background in data-intensive UIs: query editors, result grids, dashboards, notebooks, or similar products.

About the company

Snowflake is powering the era of the agentic enterprise. The Apps & Experiences organization powers the unified web user experience for Snowflake.