CareerPlanSign in

Frontend Engineer - Checkout Team

Stockholm, SE💼 Full-time🗓 2026-05-26 → 2026-09-11

Core

Design and implement user interfaces for digital checkout solutions, optimizing user experience and driving conversion for merchants and shoppers globally.

Role type

Senior Frontend Engineer (Checkout Product)

Builds

Full checkout experience, embeddable elements library, and shared UI design system (Morpheus) for 24,000+ merchants.

Domain

Fintech / E-commerce / Digital Payments

Deliverable

production ML models | product features

Required skills

Modern JavaScript, TypeScript, React, HTML/CSS, Web Components, API integration, Frontend testing, Performance optimization, Accessibility, Security

Preferred skills

Web Components/embeddable widgets, iframe/cross-origin patterns, Localization, Payments/E-commerce domain, UX design, A/B testing, Core Web Vitals

Technologies

React, TypeScript, Vite, Web Components

Responsibilities

Ship features across checkout products; Contribute to Morpheus UI library; Evolve embeddable elements; Own performance, reliability, and observability; Champion testing, accessibility, and security; Mentor engineers and review code.

Seniority

Senior, hands-on IC with mentorship responsibilities

Sourced via teamtailor · Listed on CareerPlan, which tracks 70,000+ jobs from 20+ sources.