Senior Data Scientist in Berlin

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Job Description

About the opportunity

Who we are

N26 has reimagined banking for today's digital world. Technology and design empower everything we do and it's how we are building the global banking platform the world loves to use.

We've eliminated physical branches, paperwork, and hidden fees for an elegant digital experience and supreme savings. Giving people the power to live and bank their way is what gets us out of bed in the morning and inspires the work that we do.

We are headquartered in Berlin with offices in multiple cities across Europe, including Vienna and Barcelona, and a 1,500-strong team of more than 80 .

We are seeking a Senior Data Scientist to build production-ready applications. Our Data Science team develops practical machine learning applications to enable innovative and customer-facing product features.

• Have end-to-end responsibility, from data exploration to applying state-of-the-art machine learning techniques and building production-ready applications.
• Your work will directly enable innovative solutions in financial crime prevention and credit risk assessment.
• Drive your project and work with experienced data scientists, machine learning engineers, and product managers to deliver customer value and allow you to develop your skill-set further.
• Have the opportunity to experiment with new tech stacks and project ideas.

• Bachelor's or Master's degree with a focus on quantitative disciplines including mathematics, statistics, or computer science.
• Proven record of implementations in the prototyping, development, and productionizing of machine learning solutions, particularly in banking applications such as fraud detection and credit risk.
• Deep, hands-on experience with a variety of modeling techniques, including:
• Classification models: (e.g., CatBoost, XGBoost, LightGBM)
• Regression models: (e.g., CatBoost, XGBoost, LightGBM)
• Time Series Analysis: (e.g., ARIMA, SARIMA, Prophet)
• Unsupervised Models: (e.g., clustering, anomaly detection such as Isolation Forest)
• Strong programming skills, specifically in Python and SQL.
• Basic infrastructure knowledge is needed (e.g., microservices, Docker/containers, CI/CD, GitHub Actions).
• Foundational knowledge of Deep Learning is needed, including an understanding of neural networks, transformers, and autoencoders, and experience with frameworks like TensorFlow, Keras, or PyTorch.
• Good understanding of common machine learning algorithms and a proven ability to teach and mentor junior data scientists.
• You are creative, organised, self-motivated, and able to drive ambitious data science projects to success from conception through coding to deployment.
• skills: English (full professional proficiency).

Qualifications & 'Nice to Haves'

• Good knowledge and experience in the banking industry is a major plus (regulatory and compliance, provisions and capital requirements, PD/LGD/EAD modelization, credit card fraud, anti-money laundry modelization).
• Experience with cloud ML platforms, specifically AWS Sagemaker, is a plus.
• Knowledge of Large Models (LLMs) is a plus.

Traits

• Highly collaborative and actively help yourself (and others) be successful.
• A strong passion for learning and continuously challenging the status quo.
• Strong bias for action and a willingness to make an impact from day 0.
• Give and receive open, direct, and timely feedback.
• Think globally, act locally.

What's in it for you:

• Accelerate your career growth by joining one of Europe's most talked about disruptors.
• Employee benefits that range from a competitive personal development budget, work from home budget, discounts to fitness & wellness memberships, apps and public transportation.
• Come together with your team in the office for a dedicated day of teamwork each week, plus another day of your choice, and enjoy the flexibility of remote work the rest of the time. Some roles may require additional in-office presence.
• As an N26 employee you will have access to a Premium subscription on your personal N26 bank account. As well as subscriptions for friends and family members.
• Additional day of annual leave for each year of service.
• A high degree of autonomy and access to cutting edge technologies - all while working with a friendly team of peers of diverse , life experiences and backgrounds.
• A relocation package with visa support for those who need it.

Equal Opportunities:

We recognize that our strength lies in our people and the varied perspectives they bring to our workforce. We strive to build talented and diverse teams to drive our business success and empower our people to reach their full potential.

We genuinely welcome and encourage applications from people of all backgrounds, cultures, genders, orientations, abilities, neurodiversities, and ages. We're committed to creating an inclusive workspace where everyone feels valued and respected, free from harassment and discrimination. If there's anything you need to make the application process work for you, please let us know by reaching out to candidate.exp@n26.com.

Visit our website to learn more about , Equity, & at N26.

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