Software Engineer (all genders) - Data, Tracking & Targeting team

Role: Software Engineer (all genders) in the Data, Tracking & Targeting team within AdTech Engineering. You will build and scale the tracking data exchange infrastructure and real-time data integrations that curate and process user activity data across Zalando. You will own Server-to-Server (S2S) tracking integrations across ad partners (such as Meta, Google Ads, TikTok, Pinterest, and Snapchat), manage Client-Side and Server-Side Google Tag Manager engines, and integrate our Mobile Measurement Partner to attribute app and web events accurately. Working alongside data engineers and marketing managers, your team serves as the backbone for ROI measurement and tracking data sharing. In this role, you will focus on minimizing signal loss, ensuring data privacy and consent compliance, and implementing Privacy-Enhancing Technologies (PETs) to power scalable, high-performance marketing decisions. Responsibilities: End-to-End Technical Ownership: Design, implement, test, and operate highly scalable microservices on AWS, taking full ownership of your applications throughout their entire lifecycle in production. Proactive Problem Solving: Take initiative and ownership to independently navigate intricate business problems, driving platform improvements, addressing complex challenges, and refining existing tooling and processes. Champion Engineering Excellence: Actively uphold and promote high engineering standards through continuous integration, code reviews, clean code practices, and test-driven development. Shape Architecture & Tooling: Collaborate with your team to drive architectural decisions, select the right technologies, and operate large-scale, resilient cloud applications. Foster Growth & Knowledge Sharing: Mentor and share technical insights with team members to help elevate overall engineering capabilities and support collective growth. Qualifications: Agile & Lifecycle Experience: You bring 3.5+ years of experience working in cross-functional agile teams, with hands-on mastery across the entire software development life cycle—from initial requirements to build, test, deployment, and operations. Core Languages & Automation: You write clean, efficient, and well-tested code using Golang (intermediate knowledge highly preferred) or Python to automate processes and solve complex technical challenges. Modern Tooling & Cloud Infrastructure: You have proven experience designing, implementing, and integrating APIs within microservice architectures on cloud platforms (AWS), backed by hands-on expertise with databases, Docker, Kubernetes, and CI/CD pipelines. Pragmatic Problem Solving: You possess exceptional analytical skills with a logical, pragmatic approach to untangling complex software and operational issues. Technical Communication & Collaboration: You bring strong communication skills and feel comfortable contributing to architectural decisions and technical discussions, as well as collaborating across teams. Nice to have: Hands-on experience with the Databricks ecosystem, designing and implementing scalable data pipelines and integration with orchestration services (Airflow). What We Offer: Zalando provides a range of benefits, here’s an overview of what you can expect. Ask your Talent Acquisition Partner to learn more about what we offer. 27 days of holiday a year to start for full-time employees (+1 day for every calendar year up to 30 days). 40% off fashion and beauty products sold and shipped by Zalando, 30% off Lounge by Zalando, discounts from external partners. Family support, including counselling and dedicated services for parents and carers. Company pension scheme. Employee shares programme. Health and wellbeing options, including Wellhub. Mental health support and coaching. Development through our training platform and biannual peer-to-peer review. 2 paid volunteering days a year. Relocation assistance (subject to prior agreement).