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Senior Software Engineer (Frontend, Growth)

Boston, MA💼 Full-time💰 $150,000–$150,000🗓 2026-04-29 → 2026-09-26

Core

Own and drive technical direction of WHOOP's web experiences (join flow, checkout, shop) to impact conversion, revenue, and member engagement.

Role type

Senior IC frontend engineer (growth)

Builds

Next.js-based web experiences, Cloudflare Workers edge infrastructure, Stripe-powered checkout

Domain

Health tech / Wearables / Ecommerce

Deliverable

production ML models | product features

Required skills

TypeScript, React, Next.js, web performance optimization, edge computing, A/B testing, observability, mentoring

Preferred skills

Stripe integration, CommerceTools, feature flag infrastructure, subscription business models

Technologies

Next.js, Cloudflare Workers, Stripe, CommerceTools, Datadog, Sentry, Amplitude

Responsibilities

Own architecture and technical direction of web experiences; Lead cross-functional projects end-to-end; Design and execute A/B tests; Drive frontend performance and accessibility; Write production-quality code; Mentor engineers; Participate in on-call rotations

Seniority

Senior, hands-on IC

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