Senior Backend Engineer

At Zalando's Dublin Tech Hub , we are shaping the future of personalized search and discovery for millions of customers. Our Search & Browse Personalization team builds the backend systems that power engaging shopping experiences—helping users discover fashion they love.

We create data-driven and AI-enhanced experiences that make fashion discovery more engaging, from surfacing trending styles to offering personalized recommendations that inspire customers. Our backend services process vast amounts of data to power dynamic, real-time insights into fashion trends, helping shoppers find what suits them best. Join us to scale distributed systems, optimize search relevance, and build intelligent, high-performance backend solutions that redefine fashion discovery.

WHAT WE'D LOVE YOU TO DO (AND LOVE DOING)

Design and build scalable backend systems that enhance search and personalization experiences.

Develop high-performance services that power real-time fashion discovery and personalized recommendations.

Optimize search ranking and recommendation logic through backend engineering.

Work with cross-functional teams (frontend, data, product) to refine and deliver impactful features.

Write and review solution designs for complex backend challenges.

Mentor and support junior engineers through code reviews and knowledge sharing.

Drive operational excellence , ensuring system performance, reliability, and maintainability.

You have strong backend engineering experience with at least one JVM language (Java, Kotlin, Scala).

You've built distributed systems and microservices at scale.

You have experience designing, building, and consuming robust APIs, particularly RESTful services and/or GraphQL .

You have a solid grasp of data engineering concepts and backend system design.

You thrive in a collaborative environment , working closely with product, design, and data teams.

You're familiar with AWS, Kubernetes, and DevOps best practices .

You enjoy mentoring, reviewing code, and driving best engineering practices.

BONUS SKILLS:

You've worked with Scala, Python, Akka/Pekko, Apache Flink, Airflow, Databricks , or Spring Boot .

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.

40% off products sold and shipped by Zalando

2 paid volunteering days a year

Work from abroad for up to 30 working days a year

27 days of vacation per year to start

A one-time allowance to set up an ergonomic workstation (outside of Zalando office)

Pension scheme & match up to 10% (opt-in)

Life Assurance

Income Protection

Cycle to Work Scheme

Tax Saver Commuter Tickets

Employee shares program

Family services, including counseling and support

Health and wellbeing options, including Gympass/Wellhub

Mental health support and coaching available

Professional development through our training platform and biannual peer-to-peer reviews

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.

If you think you have what it takes, we encourage you to apply even if you don't meet every single requirement. You may just be the right candidate for this or other roles

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Please note that all applications from this job page must be completed using the online form - we do not accept applications via e-mail. Once reviewed, our recruiters will contact applicants via an official Zalando email address (@zalando.de).

In some cases we also work with a selection of headhunters and agencies to fill specific roles. Please note that neither Zalando nor our recruiting partners will ask for any kind of payment to apply for a job or attend an interview.

If you have any questions about our recruitment process, please take a look at our FAQ page .

Software Engineering

Our Software Engineering teams deploy software extensively, managing a broad set of applications and conducting thousands of deployments per week. The Software Engineering team enables Zalando as Europe's number one multi-brand, digital platform for fashion, beauty, and lifestyle for our partners and customers. As a Zalando Software Engineer, you'll be part of a community of thousands of colleagues across Europe.

It's the perfect time to join Zalando on our journey to build the leading pan-European ecosystem for fashion and lifestyle e-commerce. Help us offer an inspiring and quality multi-brand shopping experience for fashion and lifestyle products to about 50 million active customers in 25 markets. Or be part of our logistic infrastructure, software or service capabilities to help brands and retailers run and scale their entire e-commerce business, on or off Zalando. Join our Zalando ecosystem, to enable positive change for the fashion and lifestyle industry.

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