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# Data Scientist

- **Company:** PAIR Finance
- **Location:** Berlin, Germany
- **Experience:** Experienced
- **Salary:** €58,000.0 - €73,000.0
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Artificial Intelligence, Amazon Web Services, Code Review, Continuous Integration, Data Architecture, Relational Databases, Python (Programming Language), PostgreSQL, Machine Learning, MySQL, NumPy, Open Source Technology, Tensorflow, Web Application Frameworks, Reinforcement Learning, Data Processing, Cloud Platform System, Pytorch, Flask (Web Framework), Large Language Models, Prompt Engineering, Fastapi, Pandas, Scikit Learn, Information Technology, Code Restructuring
- **Published:** August 16, 2026
- **Apply:** https://www.careerjet.de/jobad/de58f091a914169d23cc5d568e8463f7ce

## About the Role

* 2+ years of experience as a Data Scientist, ideally in a startup or fintech company
 * experience with Python and with data processing packages (e.g. Pandas, Numpy)
 * familiarity with web frameworks like Flask or FastAPI
 * knowledge of relational databases such as MySQL or PostgreSQL
 * track-record of successful projects using machine learning to solve business problems
 * experience with agile development practices such as TDD/BDD, continuous integration, refactoring, code reviews, etc.
 * excellent English speaking and writing skills

Things that will make you stand out:

 * a degree in Data Science, Computer Science, Mathematics or similar
 * experience with machine learning frameworks (e.g. pytorch, scikit-learn, transformers)
 * hands-on experience with deployment of (ideally open source) LLMs (hosting, fine-tuning, prompt engineering, evaluation)
 * experience with Reinforcement Learning
 * experience with cloud-based infrastructure solutions, such as AWS

## Description

Are you a passionate and experienced Data Scientist, excited to work on improving and maintaining our data architecture? Join us to become a part of our strong international team that is transforming the traditional debt collection industry with innovation and a drive for excellence.
Your Responsibilities:

 * work as part of our Outbound Data Science team to further optimize our innovative product based on machine learning and artificial intelligence
 * work on advanced and demanding AI fields such as Reinforcement and Q learning
 * identify, understand, structure and solve complex problems
 * work on projects that deliver measurable value to our business
 * experiment with new technologies and acquire new skills to find clever solutions to the unique challenges we face
 * communicate between all stakeholders (data scientists, lead developers, product management, business owners) and present technical product concepts


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