Senior Data Scientist (f/m/d)

Are you ready to change the market? 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: be part of our 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 large language models identify, understand, structure and solve complex problems in a driven and pragmatic manner 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 will encounter along the way communicate between all stakeholders (data scientists, lead developers, product management, business owners) and present technical product concepts What we're looking for: degree in Data Science, Computer Science, Mathematics or similar 6+ years experience as Data Scientist, ideally in a startup or fintech company extensive and hands-on experience with deployment of (ideally open source) LLMs (hosting, fine-tuning, prompt engineering, evaluation) experience automating complex processes using LLMs, reducing system latency, increasing efficiency, etc. deep knowledge of server management, GPU orchestration, and computational optimization techniques extensive experience with Python and with data processing packages (e.g. Pandas, Numpy) and machine learning frameworks (e.g. pytorch, scikit-learn, transformers) familiarity with web frameworks like Flask or FastAPI deep knowledge of relational databases such as MySQL or PostgreSQL experience with agile development practices such as TDD/BDD, continuous integration, refactoring, code reviews, etc. experience with cloud-based infrastructure solutions, such as AWS experience with reinforcement learning is a strong plus excellent English speaking and writing skills Transparency, Execution, Ownership, Customer Centricity, Innovation and Integrity are important to us and we at PAIR Finance embody these values. Do you find yourself in these values? Then become part of our team and complement us with your individual motivation and character! Our offer for you: For this senior role, our salary band is €76,000 - €103,500 gross per year (based on a 40-hour work week). The exact offer will reflect your experience and qualifications We offer visa sponsorship Thriving, financially stable company Strong experienced international team to support and mentor you along the way, smooth onboarding process International team of 30+ nationalities with professionals and experts Flat hierarchy, transparent and appreciative feedback culture, monthly all hands meetings, annual feedback and evaluation cycle, regular 1-on-1s with your lead Well-structured onboarding process as well as supportive and welcoming colleagues Personal learning & development budget as well as German and English language courses Unlimited employment contract, flexible working hours and 28 vacation days for your work-life balance Company pension plan, partly covered Deutschlandticket (public transport) and access to “Corporate Benefits” voucher platform to ensure your full well-being Fun company summer and Christmas parties as well as regular team events This role is based in Berlin , and we have a hybrid working policy. Modern office near Uhlandstraße is complete with fresh fruit, muesli and drinks for a comfortable and enjoyable workplace Who is your contact person? Your contact person for this position is Geneva Brooks. If you have any questions, please contact us directly by email ([email protected]). For more information about PAIR Finance, please take a look at our website and our careers page. We look forward to hearing from you!