Senior Full Stack Engineer - Communication & Automation Platform ( Lounge By Zalando)

Full Stack Engineer

The Lounge by Zalando Demand Tech team creates innovative services designed to communicate compelling offers to millions of users daily, ensuring that each message reaches the right audience, at the perfect moment, in the most engaging manner possible.

To further accelerate our growth and enhance user engagement, we're looking for an experienced Full Stack Engineer to join our dynamic team. Your primary responsibility will be to architect and develop a robust Backend-for-Frontend (BFF) using Kotlin. This backend will drive automation and composition of personalized, dynamic landing pages, seamlessly integrated with our React-based frontend.

Deliver "The Right Message to the Right People at the Right Time" through powerful automation!

Inclusive By Design

At Zalando, our vision is to be inclusive by design. And this vision starts with our hiring - we do not discriminate on the basis of gender identity, sexual orientation, personal expression, ethnicity, religious belief, or disability status. You are welcome to leave out your picture, age, or marital status from your application. We only assess candidates on their qualifications and merit.

We want to provide you with a great candidate experience. Feel free to inform us of any accommodations you may need, so we can best support you throughout the hiring process.

Our diversity & inclusion strategy:

Our employee resource groups:

What We'd Love You To Do (And Love Doing)

• Design, develop, and maintain a scalable Backend-for-Frontend (BFF) service using Kotlin, ensuring fast and reliable composition of automated landing pages.
• Collaborate closely with frontend engineers (React), product managers, and UI/UX designers to deliver seamless, end-to-end solutions.
• Lead the implementation of marketing automation features, leveraging data-driven insights for personalization, targeted user experiences, and effective A/B testing.
• Continuously improve our systems by refactoring and decoupling existing components to enhance scalability, maintainability, and performance.
• Operate confidently in a cloud-first environment (AWS) with strong adherence to API-driven development practices.

We'd Love To Meet You If

• You have 5+ years of professional experience in full stack development, specifically developing scalable backend solutions with Kotlin.
• You have hands-on experience building modern frontend applications with React, Webpack, ES6, and CSS preprocessors (e.g., LESS or similar).
• You have proven expertise in designing and implementing Backend-for-Frontend (BFF) solutions or similar architectural patterns.
• At Zalando Lounge, you own your solutions end-to-end: build it, deploy it, optimize it, and continuously enhance it.
• You have strong experience or willingness to engage deeply with AWS, Kubernetes, CI/CD, and infrastructure automation.
• You have a proactive, business-oriented mindset, with a strong commitment to improving user experiences through effective software solutions.
• You have excellent teamwork skills, ability to communicate complex ideas clearly to both technical and non-technical stakeholders, and passion for sharing best practices within the team.

Our 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.

• Employee shares program
• 40% off fashion and beauty products sold and shipped by Zalando, 30% off Zalando Lounge, discounts from external partners
• 2 paid volunteering days a year
• Hybrid working model with 60% remote per week, actual practice is up to each team to best support their collaboration
• Work from abroad for up to 30 working days a year
• 27 days of vacation a year (for Zalando SE)
• Relocation assistance available (subject to prior agreement)
• Family services, including counseling and support
• Health and wellbeing options (including Gympass)
• Mental health support and coaching available

Learn all about Zalando and our values here:

Lounge by Zalando is an online shopping club for fashion and lifestyle products in 17 European countries. We offer our members daily, time-limited sale campaigns with discounts of up to 75% off the recommended retail price. However, Lounge by Zalando is so much more than discounts. Our strength lies in our focus on fashion: from sought-after labels to niche brands, from famous international names to trendy luxury brands, we make sure to meet the fashion taste of all our customers, who are always on the hunt for the best products at the best prices. Working with our brand partners, we're pioneering innovative supply-chain and production processes and offer them an impactful and smart solution, creating a new way to shop for fashion - and a new way to sell it.

Please note that all applications must be completed using the online form - we do not accept applications via email.