Machine learning and GEN AI Data Scientist

Citi; Haryana; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Citi is hiring a Business Analytics Analyst 2 in its North America Consumer Bank data science team. The role focuses on building generative AI models and analytics solutions using PySpark, Python, SQL and modern AI tooling.

You will train, validate, deploy, and govern models across portfolios, while collaborating with business partners to derive client-centric insights. You will work on large datasets, apply deep learning techniques, and contribute to model governance and risk controls, while

Qualifications

• 3+ years of data analytics experience or 2+ years with a master's.
• Hands-on PySpark/Python/SQL; experience with DL/Generative AI.
• Experience with transformers and LLMs; familiarity with AI tooling.

Responsibilities

• Work with large, complex datasets to build GenAI solutions.
• Model training, validation, deployment and governance.
• Design and tune LLM-based apps (prompting, RAG, fine-tuning).
• Document data requirements and exploratory analyses.
• Collaborate with cross-functional teams to deploy model-driven solutions.
• Ensure compliance with Citi standards and risk controls.

Skills

PySpark

Python

SQL

LLMs

Transformers

LangChain

Hugging Face

TensorFlow

PyTorch

RAG

Big Data

Data Visualization

Education

Bachelor/Master in Economics/Statistics/Math/IT/Engineering

Tools

Hive

Spark SQL

LangChain

LlamaIndex

Hugging Face Transformers

OpenAI

Job description

About CITI

Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities.

About CITI

Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have 200 years of experience helping our clients meet the world's toughest challenges and embrace its greatest opportunities.

Analytics and Information Management (AIM)

Citi AIM was established in 2003, and is located across multiple cities in India – Bengaluru, Chennai, Pune and Mumbai. It is a global community that objectively connects and analyzes information, to create actionable intelligence for our business leaders. It identifies fact-based opportunities for revenue growth in partnership with the businesses. The function balances customer needs, business strategy, and profit objectives using best in class and relevant analytic methodologies.

What do we do?

The North America Consumer Bank – Data Science and Modeling team analyzes millions of prospects and billions of customer level transactions using big data tools and machine learning, AI techniques to unlock opportunities for our clients in meeting their financial needs and create economic value for the bank.

The team extracts relevant insights, identifies business opportunities, converts business problems into modeling framework, uses big data tools, latest deep learning and machine learning algorithms to build predictive models, implements solutions and designs go-to-market strategies for a huge variety of business problems.

Role Description

• The role will be Business Analytics Analyst 2 in the Data Science and Modeling of North America Consumer Bank team
• The role will report to the AVP / VP leading the team

What do we offer:

The Next Gen Analytics (NGA) team is a part of the Analytics & Information Management (AIM) unit. The NGA modeling team will focus on the following areas of work:

Role Expectations:

• Client Obsession – Create client centric analytic solution to business problems. Individual should be able to have a holistic view of multiple businesses and develop analytic solutions accordingly.
• Analytic Project Execution – Own and deliver multiple and complex analytic projects. This would require an understanding of business context, conversion of business problems in modeling, and implementing such solutions to create economic value.
• Domain expert – Individuals are expected to be domain expert in their sub field, as well as have a holistic view of other business lines to create better solutions. Key fields of focus are new customer acquisition, existing customer management, customer retention, product development, pricing and payment optimization and digital journey.
• Modeling and Tech Savvy – Always up to date with the latest use cases of modeling community, machine learning and deep learning algorithms and share knowledge within the team.
• Statistical mind set – Proficiency in basic statistics, hypothesis testing, segmentation and predictive modeling.
• Communication skills – Ability to translate and articulate technical thoughts and ideas to a larger audience including influencing skills with peers and senior management.
• Strong project management skills.
• Ability to coach and mentor juniors.
• Contribute to organizational initiatives in wide ranging areas including competency development, training, organizational building activities etc.

Role Responsibilities:

• Work with large and complex datasets using a variety of tools (Python, PySpark, SQL, Hive, etc.) and frameworks to build Deep learning/generative AI solutions for various business requirements.
• Primary focus areas include model training/fine-tuning, model validation, model deployment, and model governance related to multiple portfolios.
• Design, fine-tune and implement LLMs/GenAI applications using techniques like prompt engineering, Retrieval Augmented Generation (RAG) and model fine-tuning
• Responsible for documenting data requirements, data collection/processing/cleaning, and exploratory data analysis, including utilizing deep learning /generative AI algorithms and, data visualization techniques.
• Incumbents in this role may often be referred to as Data Scientists.
• Specialization in marketing, risk, digital, and AML fields possible, applying Deep learning & generative AI models to innovate in these domains.
• Collaborate with team members and business partners to build model-driven solutions using cutting-edge Generative AI models (e.g., Large Language Models) and also at times, ML/traditional methods (XGBoost, Linear, Logistic, Segmentation, etc.)
• Work with model governance & fair lending teams to ensure compliance of models in accordance with Citi standards.
• Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules, and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.

What do we look for:

If you are a bright and talented individual looking for a career in AI and Machine Learning with a focus on Generative AI, Citi has amazing opportunities for you.

• Bachelor’s Degree with atleast 3 years of experience in data analytics, or Master’s Degree with 2 years of experience in data analytics, or PhD.
• Technical Skills
• Hands-on experience in PySpark/Python/R programing along with strong experience in SQL.
• 2-4 years of experience working on deep learning, and generative AI applications
• Experience working on Transformers/ LLMs (OpenAI, Claude, Gemini etc.,), Prompt engineering, RAG based architectures and relevant tools/frameworks such as TensorFlow, PyTorch, Hugging Face Transformers, LangChain, LlamaIndex etc.,
• Solid understanding of deep learning, transformers/language models.
• Familiarity with vector databases and fine-tuning techniques
• Experience working with large and multiple datasets, data warehouses and ability to pull data using relevant programs and coding.
• Strong background in Statistical Analysis.
• Capability to validate/maintain deployed models in production
• Self-motivated and able to implement innovative solutions at fast pace
• Experience in Credit Cards and Retail Banking is preferred
• Competencies
• Strong communication skills
• Multiple stake holder management
• Strong analytical and problem solving skills
• Excellent written and oral communication skills
• Strong team player
• Control orientated and Risk awareness
• Working experience in a quantitative fieldWilling to learn and can-do attitude
• Ability to build partnerships with cross-function leaders

Education:

• Bachelor's / master’s degree in economics / Statistics / Mathematics / Information Technology / Computer Applications / Engineering etc. from a premier institute

Other Details

• Employment: Full Time
• Industry: Credit Cards, Retail Banking, Financial Services, Banking

Job Family Group:

Decision Management

Job Family:

Business Analysis

Time Type:

Full time

Most Relevant Skills

Please see the requirements listed above.

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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