Senior Frontend Product Engineer, Conversions (all genders)

HelloFresh
Warsaw
Workplace: OnsiteFull timeFunction: Software EngineeringSkills: ["Communication","Collaboration","Autonomy","Code quality","Problem-solving"]

Build personalized conversion pages and funnels for the HelloFresh Growth Alliance, driving marketing innovation through advanced MarTech capabilities and data-driven optimization. You’ll architect React/TypeScript/Next.js experiences across SSR and edge runtimes, integrate with CMS and CRM/analytics pipelines, and maintain top-tier Core Web Vitals and low-latency personalization at global scale. Work with ML, product, and design teams, leveraging GenAI tools and robust testing/observability to ship reliably.

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FursaFursa
HelloFresh
HelloFresh
1 month ago

Senior Frontend Product Engineer, Conversions (all genders)

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 18 hours agoStatus: Live

Job Summary

Build personalized conversion pages and funnels for the HelloFresh Growth Alliance, driving marketing innovation through advanced MarTech capabilities and data-driven optimization. You’ll architect React/TypeScript/Next.js experiences across SSR and edge runtimes, integrate with CMS and CRM/analytics pipelines, and maintain top-tier Core Web Vitals and low-latency personalization at global scale. Work with ML, product, and design teams, leveraging GenAI tools and robust testing/observability to ship reliably.
Location: Warsaw
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Drive architecture and delivery of personalized conversion pages and funnels using React, TypeScript, and Next.js across SSR middleware and edge-layer caching strategies.
  • •Embed GenAI-driven workflows into development, debugging, and code-quality processes to accelerate execution velocity.
  • •Optimize funnel performance and application stability by improving Core Web Vitals, low-latency personalization, and multi-brand reliability at global scale.
  • •Architect and maintain the MarTech integration layer, behavioral lead-capture tools, and GTM event pipelines feeding analytics and CRM systems.
  • •Implement automated testing with Jest and Cypress and use frontend observability tools (OpenTelemetry, Honeycomb, Grafana, or Sentry) for traceability from design to release.

Key Requirements

  • •Deep technical proficiency in React, TypeScript, and modern rendering patterns (SSR) with extensive professional software engineering experience.
  • •Proven ability architecting solutions using edge runtimes such as Vercel Edge Functions or Cloudflare Workers and understanding edge caching impacts on personalization and latency.
  • •Demonstrated GenAI expertise using modern AI tools and workflows to improve code quality, development speed, and technical standards.
  • •Practical experience with A/B testing and feature-flagging frameworks (e.g., Statsig, Optimizely) plus frontend monitoring and observability platforms.
  • •Strong collaboration skills to communicate complex technical decisions clearly and drive results autonomously across cross-functional domains.
Skills:CommunicationCollaborationAutonomyCode qualityProblem-solving
Languages:English
Tech Stack:ReactTypeScriptNext.jsSSRVercel Edge FunctionsCloudflare WorkersGenAIClaudeCursorFigmaContentful MCPsMarTechCMSA/B testingFeature-flaggingStatsigOptimizelyJestCypressOpenTelemetry

Company Brief

HelloFresh
HelloFresh is a meal-kit and food subscription company that delivers fresh ingredients and recipes to consumers, offering convenient home-cooked meals through weekly subscription boxes across multiple international markets.
Industry: FoodTech
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: Berlin, Germany
Founded: 2011
Glassdoor
Glassdoor: 3.6
WebsiteLinkedIn