Principal Machine Learning Engineer

Almedia is the fastest-growing advertising company in Europe according to the FT1000, offering mobile game and app developers unparalleled returns from rewarded user acquisition. We are engineering the future of UA with our data-driven approach and community of over 40 million users engaging with games, apps, and surveys.

Based in the heart of Berlin, our collaborative approach offers the opportunity for our clients to acquire 10,000 users daily, providing consistent value and improved ROAS in the short and long term.

Join the Foundational Team

We are seeking an experienced Principal Machine Learning Engineer to be part of our foundational Machine Learning team in Berlin

Types of problem you'll be solving:

• Building a best in class recommendation system.

• Maximising player lifetime value (pLTV) problems in a complex business model using causal ML and sequence modelling.

• Designing and optimising reward schemes using Bayesian modelling, based on player behaviours and market shifts

Your role:

• End to end role: build, deploy, and optimise ML models that deliver measurable results.

• Shape and own the Machine Learning strategy to drive business impact.

• Identify and unlock high-value ML opportunities.

• Apply statistical thinking to ensure robust model performance.

• Deeply understand data and business challenges to develop predictive solutions.

• Work closely with product, engineering, and growth teams to maximise impact.

You Have:

• Expertise in building, deploying, measuring, and maintaining Machine Learning models to address challenges in the adtech domain.

• Strong statistical knowledge (A/B tests, probability, regression).

• A combination of Python, SQL, and cloud experience is essential.

• Excellent communication skills, with the ability to present complex findings in a clear and concise manner.

Bonus points for:

• Passion for gaming and a deep understanding of player behaviour and game design principles.

• Experience with adtech, ad monetisation platforms, or the gambling industry.

• Knowledge of gaming metrics and KPIs, including pLTV, retention, and ROAS.

Why Almedia? 🚀

• Become an owner: As part of our virtual equity option policy, you’ll have the opportunity to share in Almedia’s success and growth.

• Innovative and high-growth: Join a startup that has been profitable from day one and is rapidly scaling its impact in the Ad-Tech space.

• Berlin Office & Collaborative Hub: Work primarily from our modern, centrally located Berlin office, designed to foster strong collaboration, team connection, and organic growth as we build together.

• Other Benefits: Enjoy a range of benefits designed to support your well-being and growth, including weekly breakfast and lunch at the office, a public transport ticket, gym membership, language classes, and with more exciting additions on the horizon.

We believe in fostering talent, evaluating all skill levels during the hiring process, and providing a clear path for growth—whether you aspire to be a future leader or a specialist. Almedia is an equal opportunity employer; we embrace and celebrate diversity, encouraging individuals from all backgrounds to apply.