Full-time

Machine Learning Engineer

Posted by Block MB • London Area, United Kingdom, United-Kingdom

📍 London Area, United Kingdom 🕒 March 02, 2026

About the Role

Senior Machine Learning Engineer

Location: London, UK


About the Role

We’re looking for an experienced Machine Learning Engineer to lead the development and training of advanced large-scale language models. In this role, you will be responsible for pushing the performance and reliability of next-generation AI systems, specifically focusing on models that assist with complex real-world tasks. You’ll work closely with cross-functional teams including infrastructure, product and research to shape both the training pipeline and the evaluation of highly capable models.


Key Responsibilities

  • Design and execute large-scale training experiments on multi-GPU and distributed environments using cutting-edge ML frameworks.
  • Lead both supervised fine-tuning (SFT) and reinforcement learning (RL) workflows to improve model performance on domain-specific tasks.
  • Build, maintain, and ...

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