Senior Frontend Engineer
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Job Location:
San Mateo, CA - USA
Monthly Salary:
Not Disclosed
Posted on:
31-10-2025
Vacancies:
1 Vacancy
Job Summary
About Upstart
Upstart is the leading AI lending marketplace partnering with banks and credit unions to expand access to affordable credit. By leveraging Upstarts AI marketplace Upstart-powered banks and credit unions can have higher approval rates and lower loss rates across races ages and genders while simultaneously delivering the exceptional digital-first lending experience their customers demand. More than 80% of borrowers are approved instantly with zero documentation to upload.
Upstart is a digital-first company which means that most Upstarters live and work anywhere in the United States. However we also have offices in San Mateo California; Columbus Ohio; and Austin Texas.
Most Upstarters join us because they connect with our mission of enabling access to effortless credit based on true risk. If you are energized by the impact you can make at Upstart wed love to hear from you!
The Team:
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 Upstarts Design System.
As a Senior Frontend Engineer working on the Design System youll play a key role in modernizing Upstarts frontend foundations and shaping the future of our borrower-facing products. Youll 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 Upstarts borrower touchpoints.
How youll make an impact
- Mature Upstarts 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
Minimum Qualifications
- 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
Preferred Qualifications
- 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
- Youre adept at clear concise and well-organized written communication
Position location This role is available in the following locations: Remote-United States
Time zone requirements The team operates on the East/West coast time zones.
Travel requirements As a digital first company the majority of your work can be accomplished remotely. The majority of our employees can live and work anywhere in the U.S but are encouraged to to still spend high quality time in-person collaborating via regular onsites. The in-person sessions cadence varies depending on the team and role; most teams meet once or twice per quarter for 2-4 consecutive days at a time.
What youll love:
- 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 $4500 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
#LI-REMOTE
#LI-MidSenior
At Upstart your base pay is one part of your total compensation package. The anticipated base salary for this position is expected to be within the below range. Your actual base pay will depend on your geographic locationwith our digital first philosophy Upstart uses compensation regions that vary depending on location. Individual pay is also determined by job-related skills experience and relevant education or training. Your recruiter can share more about the specific salary range for your preferred location during the hiring process.
In addition Upstart provides employees with target bonuses equity compensation and generous benefits packages (including medical dental vision and 401k).
Upstart is a proud Equal Opportunity Employer. We are dedicated to ensuring that underrepresented classes receive better access to affordable credit and are just as committed to embracing diversity and inclusion in our hiring practices. We celebrate all cultures backgrounds perspectives and experiences and know that we can only become better together.
If you require reasonable accommodation in completing an application interviewing completing any pre-employment testing or otherwise participating in the employee selection process please email
Senior IC
Key Skills
- APIs
- C/C++
- Computer Graphics
- Go
- React
- Redux
- Node.js
- AWS
- Library Services
- Assembly
- GraphQL
- High Voltage
About Company
Through Upstart, apply online for a fast personal loan, auto refinancing, or debt consolidation. Try our quick rate check today with no impact to your credit!
