[Hiring] Senior Frontend Engineer I @Prenuvo

Role Description

We're looking for a Senior Frontend Engineer I to join our eCommerce team, building the online booking experience patients use to choose a scan, find a clinic, pay, and schedule their appointment. This is a high-impact role for someone who cares about the craft of the UI and about whether it actually works in production for every customer.

• Own features and components within an area of the booking experience, such as checkout and payments, scheduling, or the sales-assisted and partner flows.
• Work with Product and Marketing on growth: ship experiments on the booking funnel, then read the results honestly.
• Build fast, accessible, customer-facing features with React, Next.js (App Router), and TypeScript.
• Contribute to frontend architecture and design, writing proposals you review with senior engineers.
• Integrate the booking experience with our commerce APIs and third-party services.
• Instrument what you ship: Datadog RUM for errors and performance, PostHog for product analytics, and Google Tag Manager for marketing measurement.
• Improve Core Web Vitals, bundle size, and rendering performance on a high-traffic, revenue-critical funnel.
• Make accessibility a default: semantic markup, keyboard and screen reader support, and automated accessibility checks in CI.
• Write automated tests at the right level: Vitest and Testing Library for components, MSW for API mocking, and Playwright for end-to-end booking flows.
• Own outcomes in production: ship behind feature flags, watch the dashboards after release, and follow through when something breaks.
• Partner closely with Product, Design, Marketing, and Backend engineers.
• Provide technical guidance through design discussions and high-quality code review, and mentor junior engineers.
• Use AI-assisted development tools thoughtfully as part of a structured build, review, and test workflow.

Qualifications

• Typically 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.
• Deep understanding of browser fundamentals.
• Experience with modern data-fetching and state management patterns.
• Strong testing practices across unit, component, and end-to-end layers.
• Experience building checkout, payment, or other transactional flows.
• Working knowledge of web accessibility (WCAG 2.1 AA) and web performance (Core Web Vitals).
• Experience with frontend observability and product analytics tools.
• Hands-on experience with modern CI/CD practices and cloud hosting.
• A track record of leading complex features from design through production.
• A startup mindset: comfortable taking on ambiguous work.
• Excellent communication skills and the ability to collaborate across teams.

Requirements

• Experience with Stripe.js and payment method integrations.
• Experience with headless commerce platforms or promotion engines.
• Experience with Tailwind CSS and building on top of a design system.
• Experience with consent management platforms and privacy-aware analytics.
• Experience with multi-region products.
• Growth engineering experience.
• Experience with funnel analytics and marketing attribution.
• Experience building growth surfaces.
• Experience with authentication and identity providers.
• Experience with scheduling, booking, or consumer healthcare applications.

Benefits

• An avenue to make a positive impact on people's lives and their health.
• Prenuvo provides free, whole-body scans to each team member.
• Growth opportunities are at the heart of our people journey.
• Our team gets together each week to connect, share, and socialize.
• We have a flexible vacation policy and encourage you to use it.
• Prenuvo’s Commuter Benefits Plan to help cover your transit and parking costs.
• Prenuvo offers a 401(k) retirement savings plan to eligible employees.
• We offer a comprehensive benefits package including health, dental, vision, and Mental Health coverage.
• The base salary for this role is $145,000 to $170,000 in local currency.