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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Scientist - Business Optimization & ML Governance - **Company:** Ally Financial Inc. - **Location:** Lewisville, TX, United States (Remote available) - **Experience:** Expert - **Salary:** $85,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** A/B Testing, Amazon Web Services, Data Analysis, Big Data, Cloud Database, Data Mining, Statistical Hypothesis Testing, Python (Programming Language), Key Management, Machine Learning, Standard Sql, Azure Machine Learning, SQL Databases, Data Processing, Scripting, Snowflake, Pandas, Scikit Learn, Information Technology, Performance Monitor - **Published:** June 5, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=a8957f79f7333b87 ## About the Role Do you have experience in SQL?, Do you have a Bachelor's degree?, programming skills are a must. Do you have a focus on predicting customer behavior, managing portfolio risk, strong analytical skills, and a desire to make an impact? If you are a creative and critical thinker, storyteller, learner, and innovator and want to work in an environment focused on using data science and big data tech, keep reading., This role is quantitative in nature and requires the individual highly capable of interrogating and analyzing massive account-level data using SQL and Python. Skills for other programming, data mining tools such as H2O and DataRobot are preferred. He or she will join the data science team under consumer asset, * Bachelor's Degree in Quantitative/Technical Discipline (Mathematics, Computer Science, Data Science/Analytics, Economics) * Minimum 5 years of analytics or data science / quantitative modeling work experience, with hands-on experience working with large account-level datasets using SQL and Python programming packages, * Minimum 3 years of hands-on experience working with large datasets using SQL and production-grade Python scripting. * Strong working knowledge of Machine Learning & Predictive Modeling (Regression, Tree-based Methods e.g. GBM, RF), and proficiency with frameworks such as scikit-learn, pandas, H2O. * Experience designing, implementing, and analyzing A/B tests to drive product/business decisions. * Familiarity with cloud data and ML platforms such as AWS and Snowflake. * Solid written and verbal communication skills, including the ability to effectively present Data * Science results to internal and external stakeholders and create documentation for various technical processes and pipelines. * Highly self-motivated, with the ability to work effectively in fast paced environment. ## Description We're looking for a passionate Senior Data Scientist with great technical and analytical skills for our Auto Consumer Asset Management group. This person will report to the Manager of Data Science for consumer asset management, with responsibilities of (1) supporting through-the-cycle predictive ML and data modeling for Ally consumer financial health & portfolio risk, (2) conducting large-scale A/B testing to scientifically assess the effectiveness of alternative risk strategies to achieve business optimization, (3), supporting model performance monitoring, ML risk governance (annual reviews, business line auditing) (4) independently processing and analyzing massive internal & external data (e.g. credit bureau, data vendors) to monitor Ally asset performance and benchmark against industry. The ideal candidate should be passionate about consumer predictive modeling, prescriptive analytics, and business optimization for banking & financial services. Strong SQL and Python, management of Ally auto finance business, with the responsibility to support and advance predictive modeling and A/B testing for risk strategy, ML support & governance and industry benchmarking. Daily work involves all phases of data science projects, including account-level data processing and validation, exploratory analysis for hypothesis testing (A/B testing), ongoing model performance monitoring & reviewing, variable screening (using ML/data mining), communication and presentation to executive leadership team. This senior data scientist must be an innovative and strategic thinker, willing to challenge status quo, can learn quickly, is self-motivated and detail oriented. * Supporting through-the-cycle predictive ML and data modeling for Ally consumer financial health, collection strategy and portfolio risks * Conducting large-scale A/B testing to scientifically assess the effectiveness of alternative risk strategies to achieve business optimization * Managing the model ongoing performance monitoring, ML risk governance (annual model reviews, business line auditing, 3rd-party vendor risk) * Independently processing and analyzing massive internal & external data (e.g. credit bureau, data vendors) to monitor Ally asset performance and benchmark against industry. Ability to think strategically, use sound judgement, and balance short and long-term risk decisions; Strong communication and collaboration skills; ability to work effectively across multiple team * Understanding of risk management concepts and key performance drivers within consumer collection strategy; optimizing business actions via A/B testing analysis, prepare crisp summary, and deliver recommendation * Managing projects of various size/complexity and day-to-day tasks independently in fast paced environment; Mentor junior members in the team ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [How Cisco embraced a DevOps culture within its network engineering team](https://www.wearedevelopers.com/videos/99-how-cisco-embraced-a-devops-culture-within-its-network-engineering-team) - [Advanced Typing in TypeScript](https://www.wearedevelopers.com/videos/496-advanced-typing-in-typescript) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) ## Related Articles - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [How to Become an AI Engineer](https://www.wearedevelopers.com/magazine/331-how-to-become-an-ai-engineer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Data Analyst Salary Germany](https://www.wearedevelopers.com/magazine/277-data-analyst-salary-germany) - [Coffee with Developers - Maria Apazoglou - Making AI understandable for all in production](https://www.wearedevelopers.com/magazine/475-coffee-with-developers-maria-apazoglou-making-ai-understandable-for-all-in-production) - [Data Analyst Salary in Switzerland](https://www.wearedevelopers.com/magazine/276-data-analyst-salary-in-switzerland)