Almedia

Staff Machine Learning Engineer

London

Tech · Data Science

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 and mentorship on shipping discipline and impact

What We're

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