Senior Machine Learning Engineer
Checkout.com10 days ago
London, United KingdomSenior
Responsibilities
- Build systems for training, deploying, and monitoring machine learning models used in the Disputes platform at scale.
- Build and optimize real-time data pipelines and backend services for dispute and payment data.
- Build and scale an online and offline feature store.
- Own end-to-end feature delivery from requirements refinement and data pipeline construction through model training, troubleshooting, and production deployment.
- Create production-ready features from raw data for dispute systems.
- Collaborate with platform and backend engineers to integrate models.
Requirements
- 5+ years of experience as an MLOps or Machine Learning Engineer.
- High proficiency in writing clear, production-ready Python code.
- Experience with production machine learning models and standard MLOps practices.
- Experience monitoring and observing production systems, with strong ownership.
- Experience training and operating models on Databricks.
- Familiarity with cloud-based application development using AWS and Azure.
- Familiarity with one or more of scikit-learn, XGBoost, TensorFlow, PyTorch, Spark, SageMaker, Vertex AI, Kubeflow, Seldon, or Triton.
- Strong communication and cross-team collaboration skills.
Benefits
- Hybrid working model with three days per week in the office.
- Accessible hiring and workplace support tailored to individual needs.
- Meaningful ownership, growth opportunities, and work recognized for its impact.
Tech Stack
Categories
About Checkout.com
Checkout.com processes payments for thousands of companies that shape the digital economy. Our global digital payments network supports over 145 currencies and delivers high-performance payment solutions across the world, processing billions of transactions annually. In 2025, Checkout.com processed more than $300bn in ecommerce payments volume. We help enterprise merchants boost acceptance rates, combat fraud, and turn payments into a major revenue driver. Headquartered in London and with 19 offices worldwide, Checkout.com is trusted by leading brands such as Spotify, HelloFresh, eBay, Uber, Pinterest, Vinted, Klarna, Financial Times, and Sony. Checkout.com. Where the world checks out.