Senior Machine Learning Engineer

Signify Technology
London
3 days ago
Applications closed

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Overview

Job title: Senior Machine Learning Scientist

Job type: Permanent

Role Location: London (Hybrid)

The company:

An innovative, global tech-driven marketplace, connecting millions of users and powered by cutting-edge data and engineering. The company values diversity, sustainability, and community while driving forward new approaches to technology and customer experience.

Role and responsibilities
  • Design, build, and scale core ML models for applications such as product matching, content understanding, moderation, and personalisation.
  • Lead high-impact technical projects, set modelling direction, and mentor junior team members.
  • Collaborate with product managers, engineers, and other scientists across the business.
  • Conduct large-scale experiments and A/B tests with statistical rigour.
  • Stay up to date with ML research, contribute to knowledge sharing, and help shape long-term strategy.
  • Communicate complex technical concepts to both technical and non-technical audiences.
Job requirements
  • Proven track record as a Machine Learning Scientist delivering models into production.
  • Expertise with frameworks such as PyTorch, TensorFlow, or Transformers.
  • Strong Python skills with clean, production-ready coding practices.
  • Solid knowledge of data engineering and MLOps principles.
  • Ability to lead end-to-end ML projects and mentor colleagues.
  • Excellent communication and collaboration skills.
Bonus skills (not essential)
  • Experience with NLP, image classifiers, deep learning, or large language models.
  • Familiarity with A/B testing and experiment design.
  • Experience building shared ML systems or platforms.
  • Knowledge of Databricks, PySpark, and cloud platforms (AWS/GCP/Azure).
  • Flexible hybrid working model.
  • Private medical insurance, healthcare cash plan, subsidised counselling/coaching, Employee Assistance Programme, and Mental Health First Aiders.
  • Family Support: 18 weeks paid parental leave, plus IVF, shared parental, and emergency carer leave.
  • Learning & Growth: Conference and learning budgets, mentorship, and upskilling programmes.

If you'd like to find out more, don't hesitate to apply! Even if you don't tick every box!

Seniority level
  • Mid-Senior level
Employment type
  • Full-time
Job function
  • Software Development

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