Senior Frontend Product Engineer: AI-Driven Conversion

Joinimagine; Województwo mazowieckie; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Workspace at Warsaw Centre Point

Global collaboration at scale

Modern workspace facilities

Job summary

HelloFresh in Warsaw, within HelloTech, seeks a Product Engineer who will own customer-facing web experiences. You will build personalized conversion pages using React, TypeScript, and Next.js, integrate with our CMS, and embed GenAI workflows across development, testing, and deployment.

You will collaborate with ML, product, and design, ensuring fast, reliable delivery at a global scale. We value hands-on AI tooling, edge compute expertise, and a strong eye for performance.

Qualifications

• Hands-on experience with AI tooling beyond casual experimentation (Claude, Cursor, Copilot).
• Deep technical proficiency in React, TypeScript, and SSR rendering patterns.

Responsibilities

• Drive architecture and delivery of personalized conversion pages and funnels using React, TypeScript, and Next.js.
• Champion GenAI proficiency, embedding AI-driven workflows into development and QA processes.
• Ensure top-tier funnel performance and global scale with optimized Core Web Vitals.
• Architect and maintain MarTech integration layer and GTM pipelines.
• Implement robust automated testing with Jest and Cypress and frontend observability tools.
• Partner with product, ML, and design to shape personalized user experiences.
• Operate what you build and ship iteratively to learn and improve.
• Contribute to customer-facing web surfaces to improve conversion, activation, or retention.

Skills

React

TypeScript

Next.js

edge runtimes

GenAI tooling

Jest

Cypress

Observability tools

Tools

Vercel Edge Functions

Cloudflare Workers

OpenTelemetry

Honeycomb

Grafana

Sentry

Contentful MCPs

Jest

Cypress

Job description

HelloFresh in Warsaw, within HelloTech, seeks a Product Engineer who will own customer-facing web experiences. You will build personalized conversion pages using React, TypeScript, and Next.js, integrate with our CMS, and embed GenAI workflows across development, testing, and deployment.

You will collaborate with ML, product, and design, ensuring fast, reliable delivery at a global scale. We value hands-on AI tooling, edge compute expertise, and a strong eye for performance.