Amplitude

Staff Software Engineer- UI Foundations Team

Amplitude
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4 hours ago

Base Salary

$173k - $264k/yr

Responsibilities

  • Own and evolve frontend platform architecture, including module boundaries, micro-frontend patterns, shared component and design-system infrastructure, and state-management strategy.
  • Diagnose and resolve systemic frontend performance issues involving bundle size, load time, runtime performance, and rendering bottlenecks.
  • Establish performance budgets and guardrails that scale across product engineering teams.
  • Build and maintain build systems, local development environments, CI/CD pipelines, linting and code-generation systems, and internal developer tooling.
  • Develop AI-agent-driven automation and workflows that systematically eliminate manual engineering bottlenecks.
  • Set technical direction and standards for the frontend organization.
  • Mentor senior and staff-track engineers and review architecture proposals involving shared frontend infrastructure.
  • Partner with product engineering, design systems, and platform/infrastructure teams to align foundational investments with product-team needs.

Requirements

  • Staff-level software engineering experience or equivalent scope and impact.
  • Deep expertise in modern frontend architecture, including React or an equivalent component framework, combined with strong infrastructure and systems engineering instincts.
  • Experience improving frontend application performance at scale, including bundle optimization, rendering performance, and load-time metrics.
  • Experience designing and shipping internal developer tooling or platform infrastructure that measurably improves developer velocity.
  • Hands-on experience with AI-agent-driven or LLM-powered engineering workflows, or a clear point of view on building them.
  • Strong technical judgment and ability to drive consensus on ambiguous, cross-cutting architectural decisions.
  • Excellent written and verbal communication skills.
  • Experience with monorepo tooling, micro-frontend architectures, or large-scale frontend platform migrations is preferred.
  • Familiarity with design systems and component library architecture is preferred.
  • Experience building agent-harness infrastructure, evaluation frameworks, agent orchestration, or LLM tool-use frameworks is preferred.

Benefits

  • Medical, dental, and vision insurance, including 100% employer-paid premiums for employees on select plans.
  • Flexible time off and paid holidays.
  • Monthly wellness and commuter transit/parking stipends, plus quarterly learning and development and annual home-office-equipment stipends.
  • Parental leave of 12–20 weeks, fertility/adoption/surrogacy support, and backup child care.
  • Mental health and wellness benefits, including Modern Health coaching and therapy and One Medical membership in select U.S. locations.
  • Employee Stock Purchase Program, charitable giving grant, paid volunteer time off, mentorship programs, management training, and wellness initiatives.
  • Hybrid work arrangement in the San Francisco Bay Area.
  • Washington employees receive unlimited PTO, 10–13 annual holidays, medical/dental/vision plans, and a company-sponsored 401(k) plan.
Amplitude

About Amplitude

501-1,000 employees

We help companies unlock the power of their products. ⚡ • Join the team: http://amplitude.com/careers • Join the community: http://community.amplitude.com