About the Role
As a Senior Backend Engineer on the ZEOS B2B Platform team, you will architect and develop high-performance, scalable, API-first microservices that power partner-facing products and internal tools. You will lead development, ensure resilience and cost-efficiency, and mentor peers within a "You Write It, You Run It" culture.
Responsibilities
- Design, develop, and evolve high-performance Microservices using Java and Spring Boot.
- Build RESTful services that prioritize clarity and ease of use.
- Support the "You Write It, You Run It" philosophy, owning the full lifecycle of code from design to operational health.
- Leverage AWS and Kubernetes to build resilient, distributed systems.
- Set engineering standards for code quality through testing, code reviews, and modern tools.
- Collaborate with frontend teams to ensure end-to-end feature success.
- Share knowledge within the team and across the ZEOS community, guiding technical decisions.
Requirements
- Deep expertise in Java, Spring Boot, and the modern JVM ecosystem (including Gradle).
- Extensive experience in Microservice architectures, distributed systems, and designing clean, versioned REST APIs.
- Proficiency in deploying and operating applications within AWS and Kubernetes.
- High skill in building CI/CD pipelines, automated testing, and observability.
- Thrive in agile environments, taking ownership of complex topics from discovery to production.
- Excellent English skills with the ability to translate technical complexity into actionable plans.
- Interest in how the frontend consumes services and willingness to contribute across the stack.
Skills
- Java
- Spring Boot
- JVM
- Gradle
- Microservices
- Distributed Systems
- REST APIs
- AWS
- Kubernetes
- CI/CD
- Automated Testing
- Observability
- Agile Methodologies
- Jackson
Location
- Hybrid
Work Type
- Hybrid
- Full-time
Experience Level
- Senior
Benefits
- 27 days of holiday a year (increasing with tenure up to 30 days)
- 2 paid volunteering days a year
- Hybrid working model (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)
- Mental health support and coaching
- Training platform access
- Biannual peer-to-peer review
About the Company
- The ZEOS B2B Platform is the high-performance engine that allows partners to seamlessly integrate into the Zalando ecosystem.
- Zalando's vision is to be the leading pan-European ecosystem for fashion and lifestyle e-commerce – one that thrives on diversity and is truly inclusive by design.
Equal Opportunity
- If you think you have what it takes, we encourage you to apply even if you don't meet every single requirement.
- We actively seek out talent from all backgrounds.
- We actively seek to reduce bias in our hiring and employment processes, focusing on your qualifications, skills, and contributions.
- We kindly ask that you refrain from including personal details such as your photo, age, or marital status in your CV.
- We are committed to providing an exceptional and accessible candidate experience for everyone.
- If you require any accommodations to support you throughout the hiring process, please let us know.
