Senior Machine Learning Engineer (m/f/d)

## **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 already have experience in revenue management or dynamic pricing (e.g., hotel, travel, eCommerce, or mobility).* **Demand Knowledge:** You are familiar with seasonality, events, lead times, and segment patterns.* **Modern Stack:** You have already worked with analytics engineering or warehouse tools such as dbt, Snowflake, or Met* **Hands-On MLOps & Cloud**: Bonus if you have hands-on skills to work with MLOps tooling and cloud infrastructure, e.g. AWS
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