Rain - Machine Learning Engineer - Fraud Risk
Requirements
• 5+ years of experience building ML systems in production; at least 2+ in fraud, risk, or anomaly detection domains • A degree in Computer Science, Engineering, Statistics, Applied Math, or a related technical field • Proven track record designing and maintaining ML models at scale • Advanced proficiency in Python and ML frameworks (e.g., PyTorch, TensorFlow, scikit-learn) • Strong understanding of supervised/unsupervised learning, anomaly detection, and statistical modeling • Ability to work autonomously, manage ambiguity, and collaborate closely with data scientists to translate analytical models into robust fraud prevention systems • Experience developing, validating, and productionalizing predictive real-time and offline fraud detection models using supervised and unsupervised ML techniques • Experience collaborating with cross-functional teams to prioritize, scope, and deploy MLI solutions at scale • Domain expertise in banking, payments, or transaction monitoring • Experience with graph-based or network-level fraud detection techniques • A graduate degree in Computer Science, Engineering, Statistics, Applied Math, or a related technical field • Experience fine-tuning or adapting generative AI / large language models for pattern generation or synthetic data augmentation (in partnership with data science) • Knowledge of model governance, bias mitigation, and regulatory compliance in fraud contexts • Things that enable a fulfilling, healthy, and happy experience at Rain: • Unlimited time off 🌴 Unlimited vacation can be daunting, so we require Rainmakers to take at least 10 days off. • Flexible working ☕ We support a flexible workplace. If you feel comfortable at home, please work from home. If you’d like to work with others in an office, feel free to come in. We want everyone to be able to work in the environment in which they are their most confident and productive selves. New Rainmakers will receive a stipend to create a comfortable home environment. • Easy to access benefits 🧠For US Rainmakers, we offer comprehensive health, dental, and vision plans for you and your dependents, as well as a 100% company subsidized life insurance plan. • Retirement goals💡Plan for the future with confidence. We offer a 401(k) with a 4% company match. • Equity plan 📦 We offer every Rainmaker an equity option plan so we can all benefit from our success. • Rain Cards 🌧️ We want Rainmakers to be knowledgeable about our core products and services. To support this mission, we issue a card for our team to use for testing. • Health and Wellness 📚 High performance begins from within. Rainmakers are welcome to use their card for eligible health and wellness spending like gym memberships/fitness classes, massages, acupuncture - whatever recharges you! • Team summits ✨ Summits play an important role at Rain! Time spent together helps us get to know each other, strengthen our relationships, and build a common destiny. Expect team and company off-sites both domestically and internationally.
Responsibilities
• Architect and build scalable ML systems for fraud detection, anomaly detection, and behavioral analysis • Develop and maintain end-to-end ML pipelines: data ingestion, feature engineering, model training, deployment, and continuous monitoring • Design and implement low-latency, real-time decision systems partnering with fraud risk data scientists, integrating with transaction or behavioral data streams • Own ML infrastructure, including model versioning, automated retraining, and safe deployment strategies (e.g., shadow, rollback). • Build robust monitoring and alerting for model performance, latency, data quality, and drift • Lead experimentation on model explainability, drift detection, and adversarial robustness for fraud prevention use cases • Develop tooling and processes to improve the effectiveness and speed of the ML development lifecycle • Partner with platform teams to meet strict SLAs for availability, latency, and accuracy • Collaborate closely with talented engineers, data scientist and compliance teams across Rain • Work in a fast-paced environment on a rapidly growing product suite. • Solve complex problems at the intersection of ML systems, data, and reliability
Benefits
• Retirement goals💡Plan for the future with confidence. We offer a 401(k) with a 4% company match. • Retirement goals • Equity plan 📦 We offer every Rainmaker an equity option plan so we can all benefit from our success. • Equity plan • Rain Cards 🌧️ We want Rainmakers to be knowledgeable about our core products and services. To support this mission, we issue a card for our team to use for testing. • Rain Cards • Health and Wellness 📚 High performance begins from within. Rainmakers are welcome to use their card for eligible health and wellness spending like gym memberships/fitness classes, massages, acupuncture - whatever recharges you! • Health and Wellness • Team summits ✨ Summits play an important role at Rain! Time spent together helps us get to know each other, strengthen our relationships, and build a common destiny. Expect team and company off-sites both domestically and internationally. • Team summits
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