Senior Frontend Engineer — Design System & Scalable UI

Courier Health; New York (NY); Hybrid; USD 175,000 - 225,000; Full time

Benefits offered by this job

Health benefits

401(k) with employer match

Unlimited Vacation

Paid parental leave

Catered lunch on Fridays

Wellness stipend

Job summary

Courier Health is seeking a Senior Software Engineer, Frontend in New York City to lead frontend architecture and a growing design system. You’ll shape how patients, clinicians, and researchers interact with our life-sciences engagement platform by building scalable components from the ground up.

You’ll own end-to-end features, mentor engineers, and help establish tooling, testing, and observability. If you thrive in an early-stage, office-first team with ambitious product goals, this is your

Qualifications

• 6+ years of professional software engineering experience with React and TypeScript.
• Proven ownership of a UI design system - you’ve built and evolved a shared component library, not just consumed one.
• Experience with e2e testing and the tooling that keeps quality high as a team scales.
• Strong UX instincts and a user-centered mindset.

Responsibilities

• Own frontend architecture and a growing design system for scalable components.
• Define patterns for state management, data fetching, and performance as the product scales.
• Ship end-to-end features in collaboration with product and design, advocating for strong UX.

Skills

React

TypeScript

UI design system ownership

E2E testing

UX instincts

ambiguous ownership

CS degree or equivalent

Education

B.S. or higher in computer science

Tools

GraphQL

Playwright

TailwindCSS

Job description

Courier Health is seeking a Senior Software Engineer, Frontend in New York City to lead frontend architecture and a growing design system. You’ll shape how patients, clinicians, and researchers interact with our life-sciences engagement platform by building scalable components from the ground up.

You’ll own end-to-end features, mentor engineers, and help establish tooling, testing, and observability. If you thrive in an early-stage, office-first team with ambitious product goals, this is your