Job
- Level
- Senior
- Location
- Hamburg
- Working Model
- Onsite
- Job Field
- Web, Front End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Salary
- 70.000 to 85.000€ gross/year
Job Summary
In this role, you will develop modular checkout UI components using TypeScript and React, integrate payment providers, and optimize web performance for a seamless checkout experience across multiple stores.
Job Technologies
Your role in the team
- The frontend team develops embeddable web components for checkout, authentication, and express checkout behind SCAYLE's Checkout as a Service, our proprietary e-commerce infrastructure licensed to online merchants. Storefronts of clients integrate these as drop-in scripts. The components handle everything customers see from entering the checkout to order confirmation: authentication, addresses, payment method selection, and order completion across multiple shops, countries, and payment providers.
- Architecture and development of modular checkout UI components in TypeScript and React, including state management and side effects using Redux Toolkit and redux-saga.
- Development of payment provider integrations (e.g., Klarna, PayPal, Apple Pay) including widget and redirect flows.
- Responsibility for integration contracts in a multi-tenant environment, including embeddable web components, host events, and tracking.
- Optimization of Core Web Vitals, load times, and rendering performance to increase conversion rates and user experience.
- Handling production issues across multiple client shops using observability tools like Datadog.
- Translation of complex checkout requirements into scalable solutions while ensuring WCAG accessibility, responsive design, and cross-browser compatibility.
- Cross-functional collaboration with Product, UX, Backend, and QA teams in agile workflows for the delivery of one-page or multi-step checkout flows.
- Driving engineering standards through thorough code reviews, architecture discussions, and technical refactoring initiatives.
- Expansion of core platform capabilities (e.g., for the SCAYLE checkout ecosystem) to enable customer customizations through injectable content.
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Our expectations of you
Qualifications
- Proficient handling of modern JavaScript (ES6+) and advanced TypeScript in Strict Mode.
- Development of complex UIs with React 19, Redux Toolkit, and redux-saga for managing asynchronous processes, multi-step funnels, and payment redirects.
- Optimization of web performance and Core Web Vitals to ensure fast load times and high conversion rates.
- Implementation of semantic HTML5 and scalable CSS architectures using SCSS, BEM, and modern design systems.
- Development of form-intensive, internationalized UIs using tools like Formik and react-intl in Multi-Tenant REST API environments.
- Writing automated tests (Jest, React Testing Library) and working in modern CI/CD pipelines.
- Balancing technical excellence and business priorities through pragmatic trade-offs without over-engineering.
- Transparent communication and personal responsibility, proactive addressing of obstacles in business-fluent English, and quick adaptation in agile teams.
Experience
- At least 5 years of experience in frontend engineering with senior responsibilities (including experience in an enterprise environment or leading complex frontend setups).
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Benefits
Work-Life-Integration
Health, Fitness & Fun
Food & Drink
Topics You Will Work On
Job Locations
About Your Employer
About You
As a rapidly growing online fashion retailer in Europe, ABOUT YOU has won multiple awards. As a fashion company and technology company, we work together to make the shopping experience more inspiring and personal for our customers.
Description
- Language
- English
- Company Type
- Established Company
- Working Model
- Full Remote, Hybrid, Onsite
- Industry
- Trade, Internet, IT, Telecommunication
Employer reviews
by devworkplaces.com
Total
(1 Review)3.7
Workingconditions
4.0Career Growth
3.6Culture
3.5Engineering
3.6
Senior Frontend Engineer - Checkout
- Salary
- 70.000 to 85.000€ gross/yearEstimated net salary based on the gross salary in the job ad using tax class I.42.583 to 50.675 € net/year · Tax class I
- Location
- Hamburg
- Working Model
- Onsite
- Diversity
- Open for all genders
