Senior Frontend / Full-Stack Software Engineer (m/w/d)

PURELEI is a rapidly growing e-commerce company seeking a Senior Frontend / Full-Stack Software Engineer to contribute to its development. The role involves building and maintaining the Shopify landscape, level up performance, and driving innovation. The company values work-life balance, learning and development, and a positive team environment.

Requirements

• Develop reactive, low-barrier-frontends in TypeScript + React/Next.js, including SSR/ISR, Edge Rendering and Image optimization.
• Work with Shopify: Storefront & Admin GraphQL APIs, Checkout Extensibility, Theme App Extensions, Webhooks, Hydrogen/Remix.
• Build Shop Integrations: Analytics, CDP/CRM (e.g. Klaviyo), ERP/WMS, PIM, Shipping, Loyalty.
• Performance optimization for Core Web Vitals (LCP, INP, CLS), Code-Splitting, Bundle Budget, Caching & CDN.
• Test execution & quality maintenance: Unit/Integration/E2E, Typesetting meticulously, CI/CD-Gates.
• Data-driven decisions: A/B testing, Experiment design, Define metrics (Conversion Funnel, Retention, RUM).
• Ensure adherence to Security & Compliance: OWASP best practices, Secrets hygiene, GDPR, Consent Flows.

Benefits

• Professional and personal growth
• Fixed head start learning budget
• Homeoffice possible
• Team/company events
• Employee discounts
• KITA subsidy

Originally posted on Himalayas