Staff Machine Learning Engineer

Staff/Tech Lead 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 50 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.

Types of problems you'll be solving:

• Building a best-in-class recommendation system
• Maximising player lifetime value (pLTV) in a complex business model using causal ML and sequence modelling
• Designing and optimising reward schemes with Bayesian modelling, based on player behaviour and market shifts

Your role:

• Lead end-to-end delivery: build, deploy, and optimise ML models at scale
• Provide technical leadership across ML projects, ensuring best practices and high-quality code
• Unlock high-value opportunities by aligning ML capabilities with business priorities
• Apply advanced statistical methods to ensure robustness and reliability
• Partner with product and engineering teams to translate business challenges into predictive solutions

You have:

• Proven expertise in building, deploying, and maintaining ML models in production, ideally in adtech or high-scale environments
• Deep knowledge of statistics (A/B testing, regression, probability)
• Strong programming background in Python and SQL, with hands-on cloud experience
• Ability to mentor and set technical direction for ML engineers and cross-functional peers
• Strong communication skills to influence both technical and non-technical stakeholders

Bonus points for:

• Passion for gaming and strong knowledge of player behaviour
• Experience with adtech, monetisation platforms, or gambling industry
• Familiarity with gaming KPIs such as 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.