Senior Machine Learning Engineer

About Trafilea Trafilea is a Consumer Tech Platform for Transformative Brand Growth. We’re building the AI Growth Engine that powers the next generation of consumer brands. With over $1B+ in cumulative revenue, 12M+ customers, and 500+ talents across 19 countries, we combine technology, growth marketing, and operational excellence to scale purpose-driven, digitally native brands. We own and operate our own digitally native brands (not an agency), with presence in Walmart, Nordstrom, and Amazon, and a strong global D2C footprint. Why Trafilea We’re a tech-led eCommerce group scaling our own globally loved DTC brands, while helping ambitious talent grow just as fast. 🚀 We build and scale our own brands. 🦾 We invest in AI and automation like few others in eCom. 📈 We test fast, grow fast, and help you do the same. 🤝 Be part of a dynamic, diverse, and talented global team. 🌍 100% Remote, USD competitive salary, paid time off, and more. Key responsibilities As a Sr. Machine Learning Engineer, you’ll lead the development and deployment of advanced ML models and scalable systems that power critical business decisions. You will: Develop production-ready machine learning systems with robust testing and scalable architecture Build and improve forecasting and optimization models using XGBoost and advanced ML techniques Design data pipelines and ML workflows that transform raw data into business intelligence Bring research into production through experimentation, iteration, and deployment Integrate ML systems into real business operations and user-facing tools Drive model explainability initiatives using SHAP values and LLM-powered insights Collaborate closely with Growth, Marketing Science, Product, and Engineering teams Influence technical strategy while aligning ML initiatives with business impact Mentor team members and help elevate engineering and ML standards across the organization 5+ years of experience building and deploying machine learning systems in production Strong expertise in Python, SQL, and modern ML frameworks Experience with XGBoost, forecasting models, and scalable ML pipelines Deep understanding of MLOps, testing strategies, CI/CD, and data engineering practices Experience working with AWS ecosystem, MLFlow, or similar cloud ML tooling Strong knowledge of the ML lifecycle, experimentation frameworks, and model optimization Ability to communicate technical concepts clearly to both technical and business stakeholders Experience in growth, marketing, e-commerce, or high-scale digital environments is a strong plus Apply To This Job