Job Description

This role is for one of Weekday's clients
Salary range: Rs 3000000 - Rs 4000000 (ie INR 30-40 LPA)
Min Experience: 8 years
Location: Pune
JobType: full-time
Requirements
Your ability to navigate the complexities of building scalable and high-performance systems, combined with your data science skills, will make you an invaluable contributor to the mission.
We are looking for a highly skilled Senior Data Scientist who can translate complex business problems into advanced analytical solutions. The ideal candidate combines deep expertise in statistical modeling, machine learning, and data engineering with a strong focus on Generative AI (GenAI), Large Language Models (LLMs), and Deep Learning.
This role requires both technical leadership and strategic vision -- from driving AI/ML innovation to mentoring junior team members, and collaborating across product, consulting, and engineering teams to bring AI-powered solutions to life.
By applying your expertise in data science to the ad-server and retail media domains, you will contribute to delivering targeted and impactful advertising campaigns, optimizing ad inventory, and maximizing ROI.
What Will You Do?
Business Problem Solving

• Apply statistical modeling and ML to solve real-world business problems
• Translate complex business challenges into analytical frameworks
• Build AI/ML solutions across industries
• Extract insights from large-scale datasets to improve model accuracy, fairness, and relevance

Technical Proficiencies

• Strong expertise in ML, DL, NLP, LLMs, and Generative AI (fine-tuning, RAG, prompt engineering)
• Proficiency in Python, PyTorch/TensorFlow, Hugging Face, and cloud ML platforms (AWS/GCP/Azure) with MLOps practices
• Skilled in scalable data pipelines and ML systems for training, evaluation, and deployment
• Grounding in Responsible AI (fairness, explainability, bias mitigation)

AI/ML & Generative AI Innovation

• Lead design, development, and deployment of ML/DL solutions, with emphasis on LLMs and GenAI
• Build pipelines for training, fine-tuning, and serving LLMs for use cases like content generation, semantic search, personalization, multimodal AI
• Drive applied research in GenAI and foundation models
• Ensure performance, reliability, and cost optimization

Leadership & Collaboration

• Provide technical and strategic leadership to Data Scientists and Analysts
• Collaborate with engineering and product teams to integrate AI solutions into platforms
• Mentor junior scientists and set best practices in MLOps and Responsible AI
• Stay ahead of industry trends and incorporate into roadmap planning

Project Management & Strategy

• Drive execution of business plans and projects
• Manage continuous improvement of data science initiatives
• Oversee data gathering and assessment for project goals
• Develop contingency plans to adapt to changing business needs

You Will Be a Great Fit If You Have:

• Master's/PhD in Computer Science, Statistics, Mathematics, or related field
• 8-12 years' experience in data science, generative AI, ML, and analytics (domain experience in e-commerce/advertising/retail advantageous)
• 3-4 years' deep, hands-on expertise in NLP, LLMs, and Generative AI
• 2+ years' experience leading projects and teams
• Advanced proficiency in Python, PyTorch/TensorFlow, SQL, and cloud (AWS/GCP/Azure)
• Strong foundation in ML, DL, NLP, and statistical rigor (regression, causal inference, time series)
• Experience with MLOps frameworks (MLflow, Kubeflow, SageMaker, Vertex AI)
• Strong data engineering skills (ETL pipelines for large-scale datasets)

Soft Skills:

• Strong business acumen, stakeholder management, and communication skills
• Proven record of mentoring, team leadership, and cross-functional collaboration

Skills Required