Current Employees of Happen Bank: Please apply via your internal Workday AccountAbout the RoleHappen Bank is looking for a Director, Modeling and Data Science to lead the machine learning and statistical models behind our lending and deposit products, including credit risk, fraud, collections, pricing, and marketing. You will lead a team of experienced data scientists and set the direction for how Happen Bank builds models that are accurate, interpretable, and compliant. You will work closely with partners across Risk, Technology, Marketing, and Compliance to turn those models into better decisions for the business and our members.
What You'll Do- Lead the end-to-end lifecycle of machine learning and statistical models, from development and deployment through monitoring and retraining, across credit, fraud, collections, pricing, and marketing decisioning
- Set the modeling roadmap and priorities for the function, balancing business impact, regulatory expectations, and team capacity
- Build, manage, and mentor a team of data scientists and machine learning experts, holding a high bar for technical rigor and accountability
- Partner with Credit Strategy, Marketing, Risk, Engineering, Model Risk Management, and Compliance to align solutions with business goals, and explain complex technical concepts clearly to executives and oversight functions
- Apply advanced techniques such as gradient boosting, deep learning, and ensemble modeling to improve model performance
- Shape Happen Bank's ML infrastructure and tooling for scalable experimentation and deployment, and identify new data sources that improve model performance
- Ensure rigorous documentation, governance, and validation in line with financial services regulatory requirements, including model risk and fair lending expectations
- Embed AI into how the team works, using it to speed up development, analysis, and documentation while keeping human oversight, data integrity, and accountability in place
About You- 10+ years of experience in machine learning, data science, or credit risk analytics, preferably in consumer lending or financial services, including 6+ years in people management; bachelor's degree in a related field; or equivalent work experience
- You lead the team with clear direction and sharp accountability, and you make sound calls on priorities, tradeoffs, and risk
- You have strong technical depth in supervised and unsupervised learning (e.g., logistic regression, decision trees, GBMs, neural networks) and are proficient in Python and key ML libraries (e.g., Scikit-learn, XGBoost, TensorFlow, PyTorch)
- You have a deep understanding of the model lifecycle, from development through monitoring and retraining
- You are familiar with model governance practices and regulatory frameworks (e.g., SR 11-7, OCC guidance)
- You understand how AI and ML models interact with credit risk decision-making, including their limitations, failure modes, and regulatory implications, and you know when a model should inform a decision versus drive it
- You have a clear perspective on where AI adds real leverage across your function and have turned it into how your teams operate, fostering a culture of innovation while keeping accountability sharp
- You have a proven record of delivering complex, cross-functional projects, managing stakeholder expectations, and bringing partners along as the work evolves
Nice to Have
- Hands-on experience developing LLM and foundation models, such as transformer-based sequence models, pre-trained tabular models
- Master's or PhD in a quantitative field such as Statistics, Computer Science, Engineering, or Economics
Work Location
San Francisco
The above locations are eligible offices for this role. The locations have been determined to foster in-person collaboration with this roles team or the related business lines. We utilize a hybrid work model, and our teams are in-office Tuesdays, Wednesdays, and Thursdays. In-person attendance is essential for this roles success, and remote placement will not be considered. Happen Bank offers relocation, based on actual job level.
Time Zone Requirements
Local hours (PT)
While the position will primarily work local hours, Happen Bank is headquartered in Pacific Time and our ideal candidate will be flexible working across time zones when necessary.
Travel Requirements
As needed travel to Happen Bank offices and/or other locations, as needed.
Compensation
The target base salary range for this position is 210,000-245,000. The base salary of the role will be determined by job-related knowledge, experience, education, skills, and location. Base salary is just one part of Happen Banks Total Rewards package. You may also be eligible for long-term awards (equity) and an annual bonus (which is based on company performance, employee performance and eligible earnings).
Were creating new financial services solutions for our members based on fairness, simplicity, and heart, and we treat our employees the same way. We offer a competitive benefits package that includes medical, dental and vision plans for employees and their families, 401(k) match, health and wellness programs, flexible time off policies for salaried employees, up to 16 weeks paid parental leave and more.
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