Senior Frontend Engineer

Upstart Inc.•San Mateo, CA

55d•Remote

About The Position

The Frontend Platform team champions frontend excellence at Upstart by empowering teams to engineer high-quality, scalable user experiences. We build tools and services that are used internally by the engineering, design and product teams, including Upstart's Design System. As a Senior Frontend Engineer working on the Design System, you'll play a key role in modernizing Upstart's frontend foundations and shaping the future of our borrower-facing products. You'll help evolve our design system - aligning with modern product design principles to ensure consistency, accessibility, and adaptability across responsive web and native app surfaces. This work will enable a unified, future-proof foundation that accelerates developer velocity, enhances design-engineering collaboration, and delivers polished, consistent user experiences across all of Upstart's borrower touchpoints.

Requirements

6+ years of professional web development experience, with at least 4+ years of experience working with modern Javascript web frameworks like React, Angular, Vue, Svelte, etc
Advanced knowledge of Typescript
A strong understanding of semantic HTML and CSS3, including layouts, responsive design and accessibility
Experience with modern testing frameworks (e.g., Jest, react-testing-library, etc) and Storybook

Nice To Haves

You have experience building and maintaining a design system or designing, auditing, and building highly accessible web components
You have experience with vanilla-extract, Sprinkles, Chakra UI or other atomic CSS frameworks like tailwindcss
You are familiar with best practices around design token versioning and maintenance
You're adept at clear, concise and well-organized written communication

Responsibilities

Mature Upstart's design system to enable consistent UI development and a shared vocabulary between engineers and design
Author, document and maintain UI components that are accessible, performant and robust
Act as a liaison between product design and engineering, providing technical guidance and coaching
Build relationships with frontend engineers working on Upstart products and drive best practices

Benefits

Competitive Compensation (base + bonus & equity)
Comprehensive medical, dental, and vision coverage with Health Savings Account contributions from Upstart
401(k) with 100% company match up to $4,500 and immediate vesting and after-tax savings
Employee Stock Purchase Plan (ESPP)
Life and disability insurance
Generous holiday, vacation, sick and safety leave
Supportive parental, family care, and military leave programs
Annual wellness, technology & ergonomic reimbursement programs
Social activities including team events and onsites, all-company updates, employee resource groups (ERGs), and other interest groups such as book clubs, fitness, investing, and volunteering
Catered lunches + snacks & drinks when working in offices