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Anforderungen

Technical Foundation: You have a degree in Computer Science, Engineering, Information Systems, Data Science, or a related field, or bootcamp experience, with a minimum of 4 years of professional experience across data engineering, machine learning, data science, or analytics. - Cross-Disciplinary Range: You have real experience in at least two of data engineering, machine learning, data science, or analytics, and you re comfortable picking up the others as the role demands. - Current, Deep Databricks Experience: You are proficient in designing, implementing, and optimizing ETL processes on Databricks, with at least a year of current, hands-on depth, not brief or dated exposure. - Tools & Technologies: You have hands-on experience with Databricks and AWS services such as S3, Kinesis, and Lambda or similar technologies. Experience with GitLab CI/CD pipelines and familiarity with PostgreSQL are a plus. - Genuine AI Fluency: You use AI tools like Claude hands-on, daily, across planning, building, debugging, and documentation, not just for occasional testing. This is a core, non-negotiable part of the role, not a nice-to-have. - Context Engineering: You know how to set up and maintain project context and memory for AI coding tools, structured instructions and reusable prompts, so they stay effective as a codebase grows rather than relying on default settings. - Agentic & Worktree Fluency: You re comfortable running several tickets in parallel with AI assistance, using Git worktrees or a similar approach to keep parallel AI-assisted branches isolated and reviewable, and you can explain your actual workflow in detail rather than describing it as something that just happens automatically. - Programming Skills: You are highly proficient in Python, SQL, and PySpark for data manipulation and processing, and you write clean, maintainable, production-ready code. - Mindset & Communication: You have excellent problem-solving skills, strong attention to detail, and the ability to work independently and collaboratively.

You are fluent in English, both verbally and in writing, comfortable letting AI take on a meaningful share of day-to-day coordination, and genuinely open to a way of working where AI reshapes how data teams operate, not just tolerant of it. How We Win - Speed is the feature. Speed beats rocket science.

We move fast, test fast, and multiply our pace with AI, because action creates information and small wins compound. A fast failure is a lesson we learn from, a slow one is a problem we can t afford. - Focus on the essential. Done is better than perfect.

We stay focused on what actually moves us forward and protect people s time from anything that doesn t. We re direct in how we communicate too, no rambling, no unnecessary detail. - See it. Own it.

Solve it. The first to see it is best placed to fix it. We re not a place for comfort, we re a place for doers.

Not my job isn t in our vocabulary, if you spot something, you help make sure it gets solved. - Respect others. Trust multiplies. Respect is non-negotiable.

We disagree with ideas, never with people. Trust here is built the same way it is anywhere, through consistency, a thank you, a moment of listening, and owning your mistakes. - Perks that help you focus on what matters. Transport subsidy, learning budget, wellness and gym, workation, bi-weekly team lunches, and more.

The perks are great, but the real reason people join and stay is the challenge, the ownership, and the drive to win together. Please note: this is not a remote only position, we offer you a flexible hybrid model here in Hamburg, Germany - working from home on Mondays & Fridays, coming to the office on Tuesday, Wednesday & Thursday!

Zur Position

Your Mission This is a company built for growth. When you join exmox, you re stepping onto a global, highly competitive playing field, solving real problems in environments that push you beyond your comfort zone. We move fast, cut the noise, and focus on what actually matters, because in our industry, speed wins.

With 50M+ platform downloads, we re rapidly scaling one of the most exciting innovations in mobile gaming: a rewarded user engagement and acquisition platform that helps players discover, and engage with games they enjoy - creating lasting value for both players and gaming studios. As Senior AI Data Expert (f/m/x) you won t be staying inside one lane. This role combines data engineering, machine learning, data science and analytics, and you ll move to wherever the highest-value data problem is, with an engineering mindset and entrepreneurial ownership: you build it, you own it, and you see the impact in production.

At exmox, we re embracing AI as part of how we work, not just what we build, and in this role it is core to everything you do: you ll use Claude and similar tools daily to plan, build, debug and document, and run parallel agent workflows on separate tasks. We believe a small team working closely with AI can outperform a much larger traditional data team. If that mindset speaks to you, you ll fit right in.

If you re excited by complex systems, high traffic, data-driven decisions, and the chance to grow by solving challenging problems, we want to hear from you. What You ll Own: - Data Pipelines & Integration: You design, develop, and maintain scalable ETL pipelines on Databricks to integrate data from various sources, including app and web products and marketing partner data, ensuring reliable and efficient data flow across the business. - Data Lakehouse Ownership: You build and manage the Data Lakehouse on Databricks, including migrating legacy data products, and implement data transformations and processing logic using Databricks and PySpark. - Monitoring & Optimization: You monitor and maintain the data stack for nightly and near-real-time processing of in-house tracking solutions, continuously optimizing and troubleshooting pipelines to ensure data quality and integrity. - Analysis & Insight: You also turn open business questions into decision-ready analysis when that s where the highest-value work is, not just build the pipelines that feed it. - AI-Native Workflow: You use Claude and similar AI tools daily, not occasionally, to plan, build, debug, and document your pipelines, treating AI as a core part of the job rather than an add-on. - Version Control & Worktrees: You integrate AI directly into your version control workflow, using Git worktrees (or an equivalent) to run several AI-assisted branches of work side by side, rather than treating AI and your codebase as separate. - Context & Memory Management: You maintain structured project context for your AI tools, for example a CLAUDE.md-style instructions file, so they stay accurate and useful as pipelines and codebases grow, rather than relying on ad hoc prompts each time. - Parallel Agentic Work: You run multiple AI coding agents on separate tickets at the same time where it makes sense, reviewing and integrating their output rather than writing every line serially yourself. - AI-Assisted Communication: You re comfortable using AI to help manage day-to-day coordination, including in Slack, when it s the faster and more reliable way to keep things moving. - Cross-Functional Collaboration: You move fluidly across data engineering, machine learning, data science, and analytics work, depending on where the team needs you most, rather than staying fixed in one discipline. - Staying Ahead: You stay updated with industry best practices and emerging technologies in data engineering and applied AI, bringing new ideas and approaches to the team.