Staff Machine Learning Engineer

This isn’t your regular job. Almedia is a place where those who want to push harder can accelerate their careers faster than anywhere else. We’re aiming to become Germany’s second bootstrapped unicorn. Almedia is already Europe’s #3 fastest-growing company in 2025 (FT1000). We are building the future of marketing by rewarding our community of over 95 million users for engaging with our advertisers’ products. We are offering a new way to acquire users for the biggest companies in the world. Staff Machine Learning Engineer London, King's Cross Top-of-market compensation The Role You'll take ownership of designing, building, and shipping production-grade systems that power ranking, personalisation, and reward structures in real time. You work hands-on with a small, high-ownership team. You have real influence over how we build our infrastructure as we grow it together. You spot leverage points others miss: systems that shift behaviour, ranking that balances user value and business sustainability, measurement frameworks that prove what actually works. You own these end to end. What You'll Own Ranking and personalisation systems that reach the right users in real time Reward and payout infrastructure balancing user motivation, cost, and business value Behavioural prediction through time-series and sequence systems Measurement and validation using A/B testing, causal inference, uplift modelling ML infrastructure: pipelines, training loops, serving, monitoring Technical leadership a