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Backend Engineer (Data Science / ML)

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Zalando

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Location:
Finland , Helsinki

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Responsibility:

  • Design and implement predictive delivery models using Databricks with Apache Spark, translating complex data into real-time backend insights
  • Take ownership of new features, take them from idea to technical design, and from technical design to cross system implementation
  • Help us to be a better team by continuously reflecting upon our ways of working and suggesting improvements
  • Actively participate in the entire product development lifecycle, from initial concept and design through to development, testing, deployment, and operation
  • Proactively identify and solve complex technical challenges, always approaching problems with a 'Partner First' mindset to deliver solutions that simplify their daily operations

Requirements:

  • Solid command of Kotlin, additional JVM based languages (Scala or Java), knowledge of software patterns and paradigms like continuous integration, test automation and deployment pipelines
  • Not only a strong command of Databricks with Apache Spark, but you are also comfortable taking the model from a notebook and wrapping it in a high-performance Kotlin microservice deployed on Kubernetes
  • You are a Backend Engineer at heart, but you possess a strong interest (or foundational experience) in Data Science, Applied AI, or Machine Learning
  • You enjoy working with large datasets and have a solid understanding of how data structures impact the performance of ML-driven applications
  • Experience in specifying, planning, developing, maintaining and operating microservices using REST API (OpenAPI), Cloud Platforms (AWS, Kubernetes), PostgreSQL
  • You have good communication and collaboration skills and enjoy working in an international and diverse environment with a positive no-job-is-beneath you attitude as a team player
  • You are self-motivated and have a proactive mindset with a passion for continuous improvement
  • You have problem-solving skills and ability to apply logical and analytical thinking to complex problems
What we offer:
  • Culture of trust, empowerment and constructive feedback with internal guilds and Employee Resource Groups, knowledge sharing through tech talks and open source commitment, internal tech academy and blogs, product demos, meetups, parties and events
  • Competitive salary and employee shares program
  • 40% Zalando discount of products sold and shipped by Zalando, 30% off Zalando Lounge and additional discounts from external partners
  • Monthly transport, lunch and recreation vouchers, private health insurance and occupational health care services, family services, free beverages and snacks, diverse sports and health offerings
  • Centrally located office in Kamppi, Helsinki, with flexible working times, additional holidays and hybrid working model
  • Extensive onboarding, mentoring and training opportunities and an international team of experts to work with

Additional Information:

Job Posted:
May 04, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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