Senior Machine Learning Engineer (m/f/d)

Job description

Your Role As a Senior Machine Learning Engineer , you will work in the Pricing & Revenue context, focusing on data-driven improvements for forecasting, pricing logic, and product insights. You will develop analyses and models that demonstrate measurable impact in our product – with thorough evaluation, a solid data foundation, and pragmatic implementation. You will collaborate closely with Product & Engineering. Your Responsibilities Model Evolution: You will develop and optimize our forecasting and pricing models as well as data-driven decision logics, always with methodical pragmatism and a strong focus on impact. Signal Hunting: You will work with time series, demand signals, and heterogeneous data sources. You define features and labels carefully to leave no chance for leakage. Measurement & Guardrails: You are responsible for evaluation through backtesting, robust metrics, and segmentation. You support holdouts and A/B logics and maintain the balance between offline and online performance. ML Engineering Best Practices : You raise standards for backtesting, reproducibility, and versioning. For us, it's: Engineering quality instead of notebook-only. Data Visibility: You enhance dashboards and reports that make model and business KPIs transparent. Your focus is always on the highest data quality. Smart Workflows: You drive reproducible workflows (versioning, clear pipelines, meaningful tests) and automate recurring analyses and evaluation runs. Your Profile Track Record: You have 4+ years of experience in data science or applied ML engineering – ideally directly in a product or business context. Data Intuition: You possess extremely strong SQL skills and a deep sense for data quality, debugging, and consistent metrics. Python Pro: Your Python code is clean and your analyses are transparent. Initial experience with product-oriented setups is a big plus. Experiment Mindset: You master the basics of bias/leakage-awareness and know how to think in guardrails and offline-vs-online scenarios. Work Style: You take full ownership of your topics. You work according to the 80/20 principle (pragmatic!), are reliable, and communicate clearly. Entrepreneurial Spirit: You think entrepreneurially and want to truly make a difference. Language Skills: You are fluent in German and have good English skills. Nice-to-haves – What Sets the Best Apart Domain Expertise: You alr…