Senior Software Engineer- Network Optimization (LS) (all genders)

Zalando fulfills more than a hundred million customer orders every year and volumes are increasing. Fulfillment Core within Zalando builds and operates systems that are at the core of Zalando’s platform strategy and ensure timely, efficient, and correct delivery of every one of our customers’ 185+ million orders every year.

Enabling the fulfillment of orders is a complex process, involving the choice of physical locations of our warehouses and the placement of stock, the planning of inner warehouse processes and capacity management, the management of a diverse range of fulfillment and delivery configurations, all while optimizing towards various competing  targets. 

As a Senior Software Engineer, you will play a pivotal role in transforming Zalando's supply chain by enhancing customer experience, and addressing complex and critical challenges. You will help develop financially viable self-serve products utilizing Optimization or Simulation techniques together with Applied Scientists. Collaborating with a team of highly talented colleagues in Fulfillment Core, you will drive innovation and resilience within our supply chain operations.

You’ll find our Berlin campus and HQ in the vibrant area of Friedrichshain. With amazing views of the Spree river and East Side Gallery, it’s a campus designed to inspire. Berlin is the city that has shaped our business. Are you up for a new experience in one of the most vibrant, diverse, and green cities in Europe? 

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

• Together with other Operations Research scientists, Applied scientists and Analysts from Fulfillment Core, you will immerse yourself in the domain and develop applications that support complex mathematical models to ensure that the right product is available at the right location at the right time, all while adhering to our network constraints.

• You will collaborate with our skilled applied scientists to implement mathematical models in production and assist in maintaining and adapting them.

• You will work closely with our stakeholders to understand the current goals and challenges within the fulfillment domain.

• You will utilize a cloud-based tech stack including: AWS,Kubernetes, Databricks, Airflow and Python.

• More generally, you will be part of our vibrant community of Engineers at Zalando, participating, for example, in regular exchange meetings, guilds and mentoring opportunities.

WE’D LOVE TO MEET YOU IF

• You have extensive industry experience designing, developing, monitoring and operating data-intensive production systems.

• You have experience with Python & SQL working with cloud services (e.g. S3, sagemaker etc.). Curious about learning new technologies.

• You have a deep understanding of microservice architecture, REST services, event-based systems, and API design in order to build scalable solutions.

• You are familiar with CI/CD tools, container/orchestration tools such as AWS, Kubernetes, Docker and other data processing and analysis tools like SageMaker, Databricks and Airflow.

• You are eager to collaborate with Operations Research or Applied scientists to test and productionize mathematical models.

• You are highly self-motivated, with a strong sense of ownership, accountability and eagerness to learn.

• You have strong communication and stakeholder management skills as well as the ability to manage projects with many dependencies.

• Experience within data engineering domain and dashboards building is a plus

• Experience with Typescript is a plus

• Familiarity or experience with optimization solvers or discrete event simulation is a plus.

• Good knowledge of cache- and memory-aware data structures and algorithms is a plusYou’re fluent in English and have excellent technical communication skills and can present complex technical information in a clear and concise manner to a non technical audience.

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 Lounge by Zalando, discounts from external partners

• 2 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 for full-time employees

• Relocation assistance available (subject to prior agreement)

• Family services, including counseling and support

• Health and wellbeing options (including Wellhub)

• Mental health support and coaching available

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

INCLUSIVE BY DESIGN

At Zalando, our vision is to be the leading pan-European ecosystem for fashion and lifestyle e-commerce - one that is inclusive by design. We only assess candidates based on qualifications, merit, and business needs. We welcome applications from people of all gender identities, sexual orientations, personal expressions, racial identities, ethnicities, religious beliefs, and disability statuses. We only want to know why you’re great for this role, so please avoid including your picture, age, and marital status in your CV as well.

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