Frontend Engineer

About the company

• Replika built the world's first consumer AI app, now with over 40 million users
• Building AI that cares, helping people flourish in real life

Responsibilities

• Build and ship web funnels end to end: landing pages, onboarding quizzes, paywalls, checkout and upsell flows
• Ship A/B tests fast: take a hypothesis, build variants, launch, read results, move to the next one
• Wire up analytics and attribution properly, from events to pixels to server-side tracking
• Integrate payments and subscriptions with billing providers, including offers and coupons
• Keep funnels fast, mobile-first and reliable across browsers and countries
• Suggest what to test next

Requirements

• 2–5 years of professional frontend engineering experience
• Strong commercial frontend experience with React and Next.js
• Experience building conversion funnels, landing pages or checkout flows for a consumer subscription product
• Rock-solid web fundamentals: HTML, CSS, JavaScript, TypeScript; responsive, mobile-first
• Experience with experimentation and analytics: A/B testing, Amplitude or GA4, Meta and Google pixels and conversion APIs
• Fast without being sloppy
• Use of AI development tools (Codex, Claude, Cursor)
• Fluent English

Bonus points

• Payments and subscriptions experience: Stripe, Chargebee, PayPal or similar
• Web-to-app funnels: deep links
• Backend chops: Node.js, APIs, edge functions
• Experience with funnel builders

Conditions

• 3-month contract position, with opportunity to extend or convert to permanent
• Unlimited access to the latest AI coding assistants
• Flexible job schedule and generous vacation policy
• Direct impact on millions of worldwide users
• Fully remote, able to work CET hours