Principal Machine Learning Engineer at innovative consumer-tech startup

Job Title

Principal Machine Learning Engineer

Salary

Not Disclosed

Company Description

Innovative consumer-tech startup

Location

London, UK

Job Description

As a Principal Machine Learning Engineer, you will lead the technical strategy for a high-traffic platform, driving the development of advanced recommendation engines and predictive models. You will bridge the gap between research and production, architecting scalable systems that process vast amounts of user data to deliver highly personalized digital experiences.

Why this role is remarkable

• Lead high-impact ML initiatives from inception to production at a rapidly scaling organization.
• Work alongside a world-class engineering team backed by top-tier venture capital firms.
• Shape the technical roadmap for a product used by millions, influencing core business outcomes.

What You Will Do

• Design and deploy sophisticated machine learning models to enhance user engagement and retention.
• Architect robust data pipelines and infrastructure to support real-time inference at scale.
• Mentor senior engineers and establish best practices for ML development, testing, and monitoring.

The ideal candidate

• Extensive experience building and scaling production-grade machine learning systems in a cloud environment.
• Deep expertise in NLP, recommendation systems, or reinforcement learning with a track record of delivery.
• Strong proficiency in Python and modern ML frameworks such as PyTorch or TensorFlow.

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