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Lead Full-Stack Engineer (all genders) | Customer Experience

Köln, NORDRHEIN_WESTFALEN🌐 Remote💼 Full-time🗓 2026-09-03 → 2026-09-26

Core

Lead Full-Stack Engineer building scalable web applications and microservices for Kaufland's international online marketplaces to optimize customer and seller experiences.

Role type

Senior Lead Full-Stack Engineer (Node.js/Vue.js)

Builds

Scalable web applications, SSR solutions, and microservices for the Kaufland e-commerce platform

Domain

E-commerce / Marketplace

Deliverable

production ML models | product features

Required skills

TypeScript, Vue.js, Node.js, microservices architecture, Server-Side Rendering (SSR), system monitoring, performance optimization, API design, A/B testing

Preferred skills

PHP, modern frontend frameworks, infrastructure understanding

Technologies

Node.js, Vue.js, TypeScript, Datadog

Responsibilities

Handle complex technical dependencies for system integration, drive performance optimization across the application landscape, develop and maintain complex web applications autonomously, manage system monitoring and reliability, implement scalable SSR solutions, design and deploy microservices, provide technical guidance and mentorship to cross-functional teams

Seniority

Senior, hands-on IC with leadership responsibilities

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