Remote Staff UI Platform Engineer - Client Experience

Addepar, Inc.; Northern (KY); Hybrid; USD 150,000 - 234,000; Full time

Job summary

Addepar, Inc. is seeking a Staff Software Engineer to join the Client Experience Frameworks group and build framework-agnostic UI components used by product teams across frontend technologies. You will own end-to-end delivery and drive the design system adoption while mentoring engineers.

This role emphasizes performance, accessibility, and web standards, with collaboration across global teams to deliver scalable UI infrastructure.

Qualifications

• B.S., M.S., or Ph.D. in Computer Science or a similar technical field (or equivalent practical experience).
• At least 5 years of professional software engineering experience.
• Deep TypeScript expertise and strong opinions about type-safe, maintainable code.
• Significant experience with modern UI frameworks (component architecture, reactivity, state management).
• Experience with build systems and bundlers (Webpack, Vite, Rollup).
• Built or maintained a design system, component library, or shared UI infrastructure used by other teams.
• Track record of influencing technical decisions across teams and managing stakeholders.
• Pragmatic approach to technical debt and tradeoffs.

Responsibilities

• Design and build framework-agnostic UI components that serve product teams across multiple frontend technologies.
• Drive adoption of the design system across the product engineering organization, consulting with teams and unblocking migrations.
• Own end-to-end technical delivery: scoping work with stakeholders and making architecture decisions.
• Improve developer experience through build tooling, testing infrastructure, documentation, and automation.
• Make thoughtful decisions about component composition, API design, and long-term maintainability for a system used by 250+ engineers globally.
• Champion performance, accessibility, and web standards as first-class concerns in everything shipped.
• Provide cross-team technical leadership through code review, consulting, and mentorship.

Skills

TypeScript

UI frameworks

Communication skills

Architecture decisions

Developer experience

Education

Bachelor's/Master's/PhD in Computer Science

Tools

Webpack

Vite

Rollup

Design System

Job description

Addepar, Inc. is seeking a Staff Software Engineer to join the Client Experience Frameworks group and build framework-agnostic UI components used by product teams across frontend technologies. You will own end-to-end delivery and drive the design system adoption while mentoring engineers.

This role emphasizes performance, accessibility, and web standards, with collaboration across global teams to deliver scalable UI infrastructure.