Principal Machine Learning Engineer

We are looking for a Principal Machine Learning Engineer to shape the next generation of our data and machine learning capabilities, focusing on data quality, enrichment, and the intelligent linking of products and information.

Requirements

• Extensive experience designing and leading the development of large-scale distributed data and/or ML backend systems.
• Hands-on experience with ETL pipeline design and optimization for complex data sets is a strong advantage.
• Deep familiarity with technologies such as Apache Beam, Pub/Sub, Redis, and other large-scale data processing frameworks.
• Expertise in backend development with Python and Scala; knowledge of Node.js or Golang is a plus.
• Proficient with both SQL and NoSQL databases, and experience with data warehousing solutions.
• Demonstrated experience building robust APIs (REST, GraphQL) and operating in modern cloud environments (GCP preferred), using Kubernetes, Docker, CI/CD, and observability tools.
• Proven ability to lead and influence engineering direction across teams and functions, particularly in a data-centric and ML-driven environment.
• Strong communication skills and the ability to align diverse technical stakeholders around a cohesive vision for data quality and knowledge extraction.

Benefits

• Competitive base salary.
• Matching pension scheme (up to 5%) from day one.
• Discretionary company bonus scheme.
• 4 x annual salary Death in Service coverage from day one.
• Employee referral scheme.
• Tech Scheme.
• Private medical insurance from day one.
• Optical and dental cash back scheme.
• Help@Hand app: access to remote GPs, second opinions, mental health support, and physiotherapy.
• EAP service.
• Cycle to Work scheme.
• 36 days annual leave (inclusive of bank holidays).
• An extra paid day off for your birthday.
• Ten paid learning days per year.
• Flexible working hours.
• Market-leading parental leave.
• Sabbatical leave (after five years).
• Work from anywhere (up to 3 weeks per year).
• Industry-recognised training and certifications.
• Bonusly employee recognition and rewards platform.
• Clear opportunities for career development.
• Length of Service Awards.
• Regular company events.