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Zalando Logo Zalando · IT - Software Development

Software Engineer Ad Platform

Germany, Berlin Employment contract · Job Posted June 29, 2026
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Job Description

Zalando Marketing Services (ZMS) is revolutionizing e-commerce marketing by helping partners build love brands, create strong customer relationships, and accelerate their business through data-infused, inspirational marketing strategies. Within ZMS, the Ad Marketplace domain is on a mission to put the right ad in front of the right customer at the right time, delivering value to partners while building trust through efficient monetization strategies. As a Software Engineer in the Ad Platform team, you'll be at the heart of our advertising technology ecosystem, building and maintaining the critical infrastructure that powers our ad marketplace. You'll work on high-performance systems that handle thousands of requests per second, process massive volumes of user interaction events in near real-time, and manage hundreds of terabytes of data.

Job Responsibility

  • Develop high-performance systems that power ad marketplace platform, handling up to 4k RPS with strict latency requirements (p99 of 25ms)
  • Deliver features by decomposing epics into manageable tasks, owning execution from requirement refinement through deployment and production operations
  • Maintain engineering excellence through readable, testable, maintainable code, writing automated tests and defining clear acceptance criteria
  • Collaborate and share knowledge in team discussions, help skill-up peers, partner with Product Managers, Analysts, and ML Ops
  • Operate what you build by delivering supporting operational elements (metrics, alerting, graphs, tracing) to monitor performance and assist in root-cause analysis during production incidents

Requirements

  • Inspired by quality: passionate about clean code, readability, comprehensive testing, and building a culture of engineering excellence
  • Collaborative builder: enjoy sharing knowledge, helping team grow, and constructively contributing to established team processes
  • Tech-savvy: deep experience with Java, Spring, and distributed systems, with knowledge of our tech stack (or eagerness to learn)
  • Deconstruct complexity: methodically break down requirements into small, safe deployment iterations while navigating technical constraints
  • Product-aware: collaborate with product teams to understand user needs, call out conflicting requirements, and understand core business KPIs your system impacts

What we offer

  • 27 days of holiday a year to start for full-time employees (and +1/year until 30)
  • 2 paid volunteering days a year
  • Hybrid working model with up to 60% remote per week
  • Work from abroad for up to 30 working days a year
  • Employee shares program
  • 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners
  • Relocation assistance available (subject to prior agreement)
  • Family services including counseling and support
  • Health and wellbeing options (including Wellhub, formerly Gympass)
  • Mental health support and coaching available
  • Drive your development through our training platform and biannual peer-to-peer review
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