Full Stack Software Engineer – Fulfillment Platform, Frontend Focus
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Job Description
Full Stack Software Engineer developing TypeScript and React/Preact applications for INTERSPORT’s e-commerce fulfillment platform. Building order, shipping, returns, and partner-performance solutions.
Responsibilities:
- Develop high-performance, accessible web applications for internal teams and business partners
- Build and continuously enhance modern frontends using TypeScript and React/Preact
- Develop features end to end and integrate frontends with backend services and APIs
- Develop applications and dashboards covering orders, fulfillment, returns, and partner performance
- Work with event-driven data flows and integrate systems using technologies including Apache Kafka
- Contribute to architecture, UX, and design decisions, and help evolve shared frontend and engineering standards
- Ensure high software quality and stability through automated testing, code reviews, monitoring, and clean code
- Collaborate closely with Product Management, UX, Data, and Engineering
- Take ownership from concept through production deployment and operation
- Use modern AI-assisted development tools in day-to-day work
Requirements:
- Several years of experience in frontend or full-stack development
- Strong proficiency in TypeScript, JavaScript, HTML, and CSS
- Experience with a modern frontend framework such as React, Preact, Vue, or Angular
- Good full-stack knowledge and experience with APIs and backend services, such as Node.js
- Experience with automated testing, for example using Playwright, Jest, or Vitest
- Basic understanding of modern backend technologies and distributed systems
- Experience with SQL databases and basic data modeling
- Experience in cloud environments, ideally AWS, and an understanding of CI/CD
- Self-directed, analytical, and team-oriented approach to work
- German at least at B2 level and fluent English
- Experience with Apache Kafka or comparable messaging and event technologies
- Knowledge of Kotlin or another JVM language
- Experience with micro-frontends or self-contained systems
- Knowledge of design systems, component libraries, and accessibility/WCAG
- Experience with Infrastructure as Code, such as Pulumi or Terraform
- Experience in e-commerce, marketplace, or fulfillment environments
Benefits:
- Flexible working hours
- Remote work options
- Professional development opportunities
- Employee discounts
- Additional benefits
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