Etsy is hiring an Machine Learning Engineer II to join the Risk Engineering organization. Our team keeps Etsy a safe and trusted marketplace by building advanced and scalable ML technologies to detect and prevent risk and fraud. We are looking for passionate individuals that are committed to applying Machine Learning to deliver customer impact. This is a full-time position reporting to the Senior Engineering Manager, Risk ML. In addition to salary, you will also be eligible for an equity package, an annual performance bonus, and our competitive benefits that support you and your family as part of your total rewards package at Etsy. For this role, we are considering candidates based in the United States. Candidates living within commutable distance of Etsy's Brooklyn Office Hub or in the San Francisco Bay Area may be the first to be considered. For candidates within commutable distance, Etsy requires in-office attendance once or twice per week depending on your proximity to the office. Etsy offers different work modes to meet the variety of needs and preferences of our team. Learn more details about our work modes and workplace safety policies here. What's this team like at Etsy? Our work tackles pressing, real-world problems, including detection of transactional fraud, fake account creation, collusion fraud, and more. As a member of the product team, this role is an exciting opportunity to collaborate with experienced ML professionals on large-scale projects protecting millions of users. Example Projects: • Build models to detect, and enforce on, bad actors on the platform. • Implement and compare supervised learning models (GBDT and DNNs), or ensembles of models, to improve key metrics, often with multiple competing objectives • Build unsupervised/semi-supervised anomaly detection models to identify emerging patterns with high precision. What is the the day-to-day look like? • Prototype, optimize, and productionize large-scale ML models that help deliver key results • Conduct A/B experiments to validate the efficiency of ML models and pipelines • Collaborate closely with product managers, ML engineers, full-stack engineers, and designers on a product team to protect ~100 million users • Push the state of the art and apply the latest advances in deep learning and other machine learning techniques to improve trust and safety on Etsy • Share impactful and innovative work in the wider ML research community, including presenting at top-tier ML/DS conferences such as: KDD, WSDM, WWW, Recsys, etc. • Of course, this is just a sample of the kinds of work this role will require! You should assume that your role will encompass other tasks, too, and that your job duties and responsibilities may change from time to time at Etsy's discretion, or otherwise applicable with local law. Qualities that will help you thrive in this role are: • You have a Ph.D. degree in a quantitative field (e.g., computer science, industrial engineering, applied math, statistics) with machine learning research experience on risk/fraud applications, or a M.S. degree in related fields and 3+ years of industry experience in risk/fraud applications. • You have published at peer-reviewed conferences, such as ICML, KDD, SIGIR, WSDM, etc. or you have given talks/tutorials in the industrial conferences like Spark Summit. • You may have experience deploying, debugging, and improving machine learning models in large-scale production systems in public clouds (e.g., GCP, AWS, or Azure), with experience in Infrastructure as Code (e.g., Terraform) • You have experience or interest in building production risk/fraud detection systems, or general e-commerce systems. Additional Information What's Next If you're interested in joining the team at Etsy, please share your resume with us and feel free to include a cover letter if you'd like. As we hope you've seen already, Etsy is a place that values individuality and variety. We don't want you to be like everyone else -- we want you to be like you! So tell us what you're all about.