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Data Scientist (f/m/d) in Fintech

Confidential company · Berlin · Posted May 29, 2026

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Public summary

Join a dynamic international fintech team in Berlin to advance innovative AI and machine learning solutions in debt collection. The role involves developing cutting-edge AI applications, including reinforcement learning and large language models, collaborating across teams, and driving impactful business outcomes in a fast-paced, agile environment. The company values transparency, innovation, and customer centricity, offering a flexible hybrid work model, supportive culture, and personal development opportunities.

Location and work setup

Location
Berlin
Remote status
Hybrid
German requirement signal
No German Required Detected
Detected job language
English

Responsibilities

Collaborate within the Data Science team to optimize machine learning-based products; develop advanced AI solutions such as reinforcement learning and large language models; identify and solve complex problems; deliver measurable business value; experiment with new technologies; and communicate technical concepts across stakeholders including developers, product management, and business owners.

Qualifications

At least 2 years of data science experience, preferably in startups or fintech; proficiency in Python and data processing libraries (Pandas, Numpy); experience with web frameworks like Flask or FastAPI; knowledge of relational databases MySQL or PostgreSQL; proven success in applying machine learning to solve business problems; familiarity with agile software development practices (TDD/BDD, CI, code reviews); excellent English skills; willingness to engage deeply with data. Preferred qualifications include degrees in Data Science or related fields; experience with ML frameworks like PyTorch, scikit-learn, transformers; hands-on experience deploying and fine-tuning large language models; experience with reinforcement learning; and cloud infrastructure knowledge, especially AWS.

Skills

Data Science Python Pandas Numpy Flask FastAPI MySQL PostgreSQL Machine Learning Reinforcement Learning Large Language Models AWS Agile Development TDD BDD Continuous Integration Code Reviews