A11 is the execution engine behind Europe’s top tech unicorns like Trade Republic, Sennder and Kry. We are a SWAT team for business performance in different expertise areas ranging from Marketing, Sales, Data, Tech to People Ops. With 100+ international experts, we step in with tactical precision to tackle complex challenges across business and tech. From launching products at speed to reshaping entire business models, we deliver impact.

About the Job

We’re looking for a motivated Senior Data Engineer (m/f/d) to join our Data & Analytics team and support its data strategies.

In your day-to-day work, you’ll focus on building data-driven applications and get the opportunity to contribute to various projects.

Our Data & Analytics team enables our clients to grow sustainably as they shift from intuitive to objective decision-making through reliable data collection, proper data infrastructure implementation, and effective data initiatives.

We firmly believe that the decade of data has begun: powerful technologies are readily accessible to turn raw data into real insights, products, features and more. We are looking for capable talents from various backgrounds to tag along on our journey to utilise data to create real impact via scalable data ML/AI infrastructure, thorough analyses and meaningful relationships to ensure proper application.

In this role, you’ll:

Build high-quality data warehouses, cloud infrastructure, AI workflows, etc.
Integrate data from various systems into flexible and consistent representations
Explore and evaluate the lasting impact of AI use cases and their implementation
Ensure that all people and IT systems in the organisation have easy access to data, through various front-ends and interfaces
Work in an agile software development process and collaborate closely with the analytics, product, and software engineering teams
Impact the business while working in an amazing cross-functional team environment

Your Profile:

Genuine interest in data and algorithms, and an excitement for solving difficult business problems through scalable data products
Knowledge of version control systems, web technologies, software, analytics engineering, and data engineering best practices, and the inner workings of database systems
5+ years of hands-on experience building and owning data warehouse and cloud infrastructure in a production environment, with strong command of SQL, Python and dbt
Experience with machine learning and/or AI is preferred
The ability to turn data science into something that creates business value is a plus
Desire to learn new things (we know you can “ fly at least one type of plane ”, and we will provide you with many types and variations of said plane)
Good communication skills in German & English (native/full working proficiency)
A degree in computer science or a comparable qualification

Please note that this position is based in Berlin.

Why Join A11:

Shape the Future of Innovation: Take the lead on game-changing projects across a diverse range of companies and geographies. You'll make a true impact through our strategic and hands-on working style.
Collaborate with an International Team of Digital Natives: Unlock new opportunities to learn, contribute, and thrive in a dynamic, multicultural environment. Our Team represents over 25 nationalities and brings experience in a wide range of companies and industries.
Career Development: We support growth in every direction—whether you want to deepen your expertise, lead a department or explore new areas.
Embrace Change and New Technologies: We actively try out new tools and AI features to optimise our workflows and processes, giving you creative freedom and autonomy to reach your goals.
Exchange and Discover: From shared meals with the Team to fun offsites to frequently hosted meetups, you'll build lasting connections through regular events and dynamic knowledge-sharing opportunities.

If you’re looking to accelerate growth and generate high impact, we want to hear from you!

Our Commitment to Diversity and Inclusion

A11 is committed to diversity and equal opportunities for all – applicants and employees alike. We value humans – with all our glorious multifaceted backgrounds, perspectives, and experiences. Our diverse team has different ethnic and cultural origins, gender identities, sexual orientations, family arrangements, religious and political affiliations, socioeconomic statuses, age groups, and abilities.

Senior Data Engineer (m/f/d)

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