Senior Frontend Engineer I – Next.js & TypeScript Lead

Prenuvo; United States, Northern America, Americas; On-site; USD 145,000 - 170,000; Full time

Benefits offered by this job

Flexible vacation policy

Commuter Benefits Plan

Health, dental, vision coverage

401(k) retirement plan (pre-tax)

Job summary

Prenuvo is hiring a Senior Frontend Engineer I to own the frontend features of the online booking experience. You will drive checkout, payments, and scheduling flows across multiple countries with a focus on performance and accessibility.

You’ll collaborate with Product, Design, Marketing, and Backend teams, advance a component library, and ship production-ready code using React, Next.js, TypeScript, and modern state management tools.

Qualifications

• 4+ years of professional frontend engineering experience, including at least 3 years building production applications with React and TypeScript.
• Strong experience with Next.js or a comparable React framework, including SSR and routing.
• Deep understanding of browser fundamentals: semantic HTML, modern CSS, responsive layouts, and rendering pipeline.
• Experience with modern data-fetching and state management patterns (TanStack Query, Zustand, Redux) and with complex, multi-step forms.
• Strong testing practices across unit, component, and end-to-end layers using Vitest, Jest, Testing Library, Playwright or Cypress.
• Experience building checkout or other transactional flows where correctness and reliability matter.
• Web accessibility knowledge (WCAG 2.1 AA) and web performance focus.

Responsibilities

• Own features within an area of the booking experience (checkout, payments, scheduling, sales-assisted and partner flows).
• Collaborate with Product and Marketing to run experiments on the booking funnel and assess results.
• Build fast, accessible, customer-facing features with React and TypeScript in Next.js.
• Contribute to frontend architecture with thoughtful component boundaries and state management strategies.
• Integrate booking with commerce APIs and third-party services like Stripe and Affir.
• Instrument releases with RUM, product analytics, feature flags, and marketing measurement.
• Improve Core Web Vitals, bundle size, and production performance for high-traffic flows.
• Write automated tests and maintain CI with modern tooling.
• Provide guidance through design reviews and code walkthroughs; mentor junior engineers.
• Adopt AI-assisted development tools within a disciplined build-test-review workflow.

Skills

React

TypeScript

Next.js

App Router

TanStack Query

Zustand

React Hook Form

Zod

Vitest

Playwright

Tools

Stripe.js

Affir

commercetools

Voucherify

Tailwind CSS

OneTrust

Job description

Prenuvo is hiring a Senior Frontend Engineer I to own the frontend features of the online booking experience. You will drive checkout, payments, and scheduling flows across multiple countries with a focus on performance and accessibility.

You’ll collaborate with Product, Design, Marketing, and Backend teams, advance a component library, and ship production-ready code using React, Next.js, TypeScript, and modern state management tools.