Data Science Analyst

Overview Data Science, Data Scientist – Analytics & Information Management (AIM) We are seeking a Senior Data Scientist for our Business Analytics Team. The ideal candidate will be responsible for driving the development and implementation of analytical solutions to support key business objectives for Banking Operations & Analytics as part of COO (Chief Operating Office). Role and Responsibilities Work as a Data Scientist in the Data Science and Modeling for Banking Operations & Analytics Team. Report to the AVP/VP leading the team. Work with large, complex and unstructured data using tools such as Python, PySpark, SQL, and R to build modeling solutions for various business requirements. Lead model building, model validations, model implementation, and model governance for multiple portfolios. Document data requirements, data collection/processing/cleaning, and conduct exploratory data analysis, which may include statistical models/algorithms and data visualization techniques. Collaborate with team members and business partners to jointly build model-driven solutions using traditional methods (Linear, Logistic, Segmentation, etc.) as well as Machine Learning driven modeling solutions. Work with model governance and fair lending teams to ensure models comply with Citi standards. Core Competencies Business Obsession – Create client-centric analytic solutions to business problems with a holistic view of multiple businesses. Analytic Project Execution – Own and deliver multiple and complex analytic projects with understanding of business context and economic value. Domain Expert – Develop domain expertise in subfields while maintaining a holistic view of other business lines. Modeling and Tech Savvy – Stay up to date with modeling, machine learning, and deep learning techniques; share knowledge within the team. Statistical Mindset – Proficiency in statistics, hypothesis testing, segmentation, and predictive modeling. Communication Skills – Translate technical ideas for a broader audience, with influencing skills for peers and senior management. Strong Project Management Skills. Contribute to organizational initiatives in competency development, training, and related activities. Qualifications 5+ years of experience in data analytics roles with proficiency in analytics tools/technologies such as SQL, SAS, Python, PySpark, etc. Sound knowledge of machine learning/deep learning and statistical modeling techniques. Experience with ML frameworks and Python libraries (e.g., scikit-learn, xgboost, Keras, NLTK, BERT, TensorFlow). Hands-on experience in PySpark/Python/R programming and strong SQL skills. Experience with large and multiple datasets, data warehouses, and data extraction using relevant programming. Strong background in statistical analysis. Experience with Transformers/LLMs (OpenAI, Claude, Gemini, etc.), prompt engineering, RAG architectures, and tools/frameworks (TensorFlow, PyTorch, Hugging Face Transformers, LangChain/Graph, LlamaIndex). Understanding of transformers/language models; familiarity with vector databases and fine-tuning techniques. Experience developing and deploying AI solutions in partnership with technology and business teams. AI/Gen AI proficiency and thought leadership in financial/business analysis and/or credit/risk analysis with disciplined analytic processes. Education: Bachelor’s or Master’s degree in Economics / Statistics / Mathematics / Information Technology / Computer Applications / Engineering, etc. Education Bachelor’s / Master’s degree in Economics / Statistics / Mathematics / Information Technology / Computer Applications / Engineering, etc. Legal and Access Information Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity, review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster. #J-18808-Ljbffr