Senior Frontend Engineer - ZEOS (all genders)

Role: The B2B Platform is the core engine enabling our partners to seamlessly integrate and scale within the Zalando ecosystem. As a Senior Frontend Engineer, you will be a key contributor to our partner-facing ecosystem, working either on our central Portal, specialized Portal Applications, or within the Platform Integration team. We provide a holistic, API-first environment that empowers partners to manage their business with speed and flexibility. In this role, you will help shape the future of our web architecture, moving beyond simple interfaces to build complex, modular systems. You will work in an agile, cross-functional team of engineers and product managers to create high-performance applications that serve as the primary interface between ZEOS and the global market. At ZEOS, seniority means more than just writing code; it means taking ownership of the entire lifecycle, mentoring peers, and ensuring our frontend landscape is scalable, secure, and user-centric. Responsibilities: - Build & Scale: Design and develop high-quality, responsive web applications using React and TypeScript, ensuring they meet the needs of ZEOS partners and internal teams. - Master the Architecture: Contribute to the evolution of our Micro Frontend (MFE) and SPA landscape, focusing on modularity, performance, and seamless integration. - Own the Lifecycle: Champion the "You Write It, You Run It" philosophy by owning the full development cycle—from initial architectural design and API contract discussions to testing, deployment, and production monitoring. - Drive Operational Excellence: Build and maintain robust CI/CD pipelines and leverage AWS/Kubernetes environments to ensure our applications are resilient and highly available. - Collaborate & Mentor: Actively participate in code reviews and pair programming, fostering a culture of high code quality and knowledge sharing within your team. - Bridge Design & Tech: Work closely with designers and product managers to implement our Design System (DS), ensuring UI/UX consistency and technical feasibility across the portal ecosystem. Qualifications: - Frontend Expert: Highly proficient in TypeScript and React, with deep knowledge of modern build tools like Webpack and the Node.js ecosystem. - Architectural Mindset: Practical experience with Micro Frontend (MFE) architectures and understanding state and routing in complex, distributed frontend environments. - Security & Auth Savvy: Solid understanding of web security and experience implementing modern authentication flows, specifically Okta or OpenID Connect. - Cloud & DevOps Familiarity: Comfortable working with AWS and Kubernetes, and believe that automated testing and CI/CD are non-negotiable parts of the development process. - Agile Professional: Thrive in agile settings, taking a proactive role in sprint ceremonies, refining requirements, and navigating technical uncertainty with a solution-oriented mindset. - Strong Communicator: Excellent English skills and ability to explain complex technical trade-offs to both technical and non-technical stakeholders. - Continuous Learner: Stay current with web services and software design trends, always looking for ways to improve the tech stack and developer experience. 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) - 2 paid volunteering days a year - Hybrid working model with up to 60% remote work daily \u2013 each team determines the practice that best supports collaboration - 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, and other partner discounts - 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 - Development through our training platform and biannual peer-to-peer review