Senior Site Reliability Engineer

Full time
Job Category
Software Engineering - Backend


Lounge by Zalando is an online shopping club for fashion and lifestyle products. We offer our customers daily, time-limited sale campaigns with discounts of up to 75% off the recommended retail price. We aim to connect with millions of members across 17 European markets, inviting them to engage in an exciting treasure hunt.

As an (Senior) Site Reliability Engineer in the Lounge - Site Reliability Engineering team  you will bring 22 engineering teams together with efficient and standardised practices, enabling them by developing software systems, providing infrastructure and automated solutions with an ever watchful-eye, to ensure a reliable and highly available platform for the Lounge by Zalando customers.

You’ll use your knowledge of distributed systems and architecture to improve the reliability and performance of Lounge by Zalando engineering platforms and services. You’ll also build internal services and tools that empower our in-house customers–peer engineering teams–to develop, deploy, and operate their own services at scale. You will have the opportunity to solve challenges on a large scale distributed systems using technologies like Kubernetes, React, Node.js, TypeScript, Golang, Scala, Java, PostgreSQL, AWS Stack like Redis, DynamoDB. Check out our Tech Blog for more information on the technologies we use.


  • Keep our mission-critical systems up and running, proactively spotting areas where automation can help, and prioritising tasks accordingly

  • Leverage your knowledge of distributed systems to identify and fix network, system, and service-level challenges. Practise sustainable incident response, and drive structural improvement with blameless postmortems.

  • Communicate effectively with our engineering teams in this regard.

  • Capacity planning, definition of service level indicators, and analysis of system performance.

  • Participate (optional) in on-call rotations (paid), assuming responsibility for addressing incidents and challenges in production.

  • Plan, challenge and conduct fire drills, production readiness reviews with engineering teams


  • Excellent communication skills for establishing strong partnerships and fostering a culture of reliability and continuous improvement within a dynamically fast moving environment.

  • Strong sense of ownership, entrepreneurial thinking, and ability to drive SRE initiatives across teams end-to-end.

  • Expertise in designing cloud architectures and hands-on experience with cloud platforms, preferably AWS.

  • The capability to comprehend various trade-offs inherent in distributed data systems, such as balancing consistency against availability, and navigating the trade-off between latency and consistency.

  • Demonstrated ability to focus effectively during incident response, with a commitment to proactively eliminating the need for firefighting through automation and preventive measures.

  • Proficiency in Golang, Python, or the JVM ecosystem with strong coding skills in at least one language and a strong desire for continuous learning and exploration.

  • Troubleshooting skills that span applications, networking (TCP/IP), and systems.

  • Working knowledge of Linux internals and containers.

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


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. 

do.BETTER - our diversity & inclusion strategy:
Our employee resource groups:


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

  • Two paid volunteering days a year

  • Hybrid working model with up to 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 to start

  • Relocation assistance available (subject to prior agreement)

  • Family services, including counseling and support

  • Health and wellbeing options (including Gympass)

  • Mental health support and coaching are available

  • Drive your development through our training platform and biannual peer-to-peer review

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.



Orjada Bilo

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

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.

Learn More

Software Engineering

Zalando SE Berlin headquarter BHQ-X

About Zalando

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. 

Learn more about our culture