Senior Machine Learning Engineer (AI)

Location: Holborn, London, with occasional travel to Leicester Square

Company

hirify.global operates media and entertainment platforms whose data products support audience targeting, advertising measurement, and content intelligence.

What you will do

• Translate experimental machine learning and deep-learning models into reliable, testable production systems.
• Build APIs, model-serving infrastructure, and consistent feature pipelines for batch and real-time inference.
• Audit and migrate existing production models to modern standards without disrupting live products.
• Define engineering standards for model development, testing, deployment, and lifecycle management in partnership with MLOps.
• Create reusable templates, components, and documentation that enable data scientists to work independently.
• Partner with Data Science, MLOps, Data Engineering, and Product to shape deployable and maintainable products.

Requirements

• Senior-level production machine learning experience delivering ML and deep-learning projects in high-volume commercial environments.
• Strong Python skills and experience with PyTorch or similar machine learning frameworks.
• Experience owning deployment, CI/CD, monitoring, and machine learning lifecycle management.
• Understanding of model evaluation, production inference patterns, reproducible environments, and engineering trade-offs.
• Experience with Docker, MLflow or an equivalent tool, AWS, SageMaker, Snowflake, Spark or Databricks, and Kubernetes.
• Reliability, maintainability, and continuous improvement mindset.

Culture & Benefits

• Work on AI and data products influencing what millions of listeners hear and how brands invest their media budgets.
• Shape engineering standards and reusable patterns across the data product portfolio.
• Collaborate across Data Science, MLOps, Data Engineering, and Product.
• Inclusive workplace with reasonable adjustments available throughout the recruitment process and workplace.