Senior Frontend Engineer, Conversions
Full-time
HelloFresh
Responsibilities
- Build and maintain personalized landing pages and funnel steps with React, TypeScript, and Next.js.
- Work across frontend and infrastructure tasks involving Cloudflare Workers, cache rules, and Vercel Edge functions.
- Integrate dynamic CMS content and variations into conversion experiences.
- Implement and validate A/B tests with clean tracking and test integrity.
- Optimize Core Web Vitals, latency, caching, and personalization performance across mobile and desktop.
- Implement and monitor frontend performance and error tracing with tools such as Sentry and Honeycomb.
- Own features end to end from design through rollout, monitoring, and iteration.
- Collaborate with product, machine learning, and design teams to shape personalized experiences.
- Operate, instrument, monitor, and improve systems in production.
Requirements
- Hands-on daily experience with AI tooling such as Claude Code, Cursor, or Copilot beyond casual experimentation.
- Solid experience with React, TypeScript, and modern frontend development, including debugging frontend and infrastructure logic.
- Hands-on experience with Next.js and edge runtimes such as Vercel Edge or Cloudflare Workers.
- Understanding of caching strategies and their effects on personalization and performance.
- Experience with web performance and frontend monitoring, including Core Web Vitals, Sentry, Honeycomb, or similar tools.
- Experience writing and maintaining unit, integration, and end-to-end tests.
- Experience integrating with a CMS such as Contentful or Builder.io.
- Experience with A/B testing frameworks such as Statsig or Optimizely.
- Familiarity with analytics platforms such as GA4 or Snowplow.
- Strong product sense, data-informed decision-making, ownership, and bias toward shipping.
Benefits
- 75% discount on weekly HelloFresh and Chefs Plate meal kits and 50% off weekly Factor meal boxes.
- Health and dental benefits from day one, a Health Spending Account, Headspace access, and 25% GoodLife fitness discounts.
- Competitive RRSP matching program.
- Generous vacation and paid time off.
- Parental leave top-up program.
- Career development and continued-learning support through the L&D team.
- Team socials and company days plus diversity, equity, and inclusion initiatives.
- Flexible hybrid work with a minimum of 2 days in the office per week, with most teams in the office 2–3 days weekly.
Vacancy posted 9 days ago
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