Production ML Lead & Data Product Architect

hims & hers; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

Jobtailor is seeking an experienced Data Scientist/ML Engineer to translate business challenges into scalable data products and production-ready models in a London-based role. You will own end-to-end projects from exploratory analysis to deployment, writing complex SQL and engineering features, and deploying baseline models while iterating toward more sophisticated solutions.

You will manage the full model lifecycle, collaborate with Engineering, Product, and Finance teams, and mentor junior

Qualifications

• 5+ years of applied experience in Data Science or ML Engineering.
• Track record of delivering production-ready models that drive measurable business value.
• Strong expertise in Python and SQL.
• Experience working in cloud-based environments such as AWS or GCP.
• Familiarity with CI/CD workflows, Git, and MLOps principles.
• Ability to connect technical metrics to business outcomes and select appropriate algorithms.
• Ability to explain technical concepts, model limitations, and analytical findings to non-technical stakeholders.
• BS/MS or equivalent experience in a quantitative field.

Responsibilities

• Translate complex business challenges into scalable data products and machine learning models.
• Own projects from exploratory analysis through production deployment.
• Write complex SQL and engineer features.
• Deploy baseline models quickly and iterate toward more complex solutions.
• Manage the complete model lifecycle, including data extraction, feature engineering, deployment, A/B testing, and performance monitoring.
• Partner with Engineering, Product, Business, and Finance stakeholders to define technical requirements and translate model outputs into actionable insights.
• Write clean, modular, production-ready code.
• Participate in peer code reviews and contribute to technical best practices.
• Break down ambiguous, complex requirements into executable milestones.
• Provide technical guidance to junior data scientists and analysts.

Skills

Python

SQL

Data Science

Machine Learning

EDA

Education

BS/MS

Tools

Pandas

NumPy

Scikit-Learn

PyTorch

XGBoost

LightGBM

Git

CI/CD

MLOps

Cloud Platforms

Job description

Jobtailor is seeking an experienced Data Scientist/ML Engineer to translate business challenges into scalable data products and production-ready models in a London-based role. You will own end-to-end projects from exploratory analysis to deployment, writing complex SQL and engineering features, and deploying baseline models while iterating toward more sophisticated solutions.

You will manage the full model lifecycle, collaborate with Engineering, Product, and Finance teams, and mentor junior