Data Scientist - 4+ years - Pune

Job Title: Data Scientist (4+ Years Experience)

Location: Pune
Type: Full-time / On-site

About the Role

We are looking for an experienced Data Scientist with strong hands-on experience in building AI/ML solutions, especially using LLMs, retrieval augmented generation (RAG), and modern vector database architectures. The ideal candidate should have strong problem-solving skills, advanced Python expertise, and experience deploying ML models in production environments.

Responsibilities

• Design, develop, and deploy end-to-end ML and NLP solutions.
• Build RAG-based pipelines using vector stores and LLMs for real-world use cases.
• Develop embedding pipelines using OpenAI, HuggingFace, SentenceTransformers, etc.
• Perform data cleaning, transformation, feature engineering, and EDA.
• Fine-tune foundational models and apply few shot / in-context prompting techniques.
• Build reusable components leveraging LangChain, LlamaIndex and other LLM toolkits.
• Work closely with Engineering and Product teams to convert business problems into AI solutions.
• Contribute to MLOps workflows including model deployment, testing and CI/CD.
• Prepare analytics dashboards, visualizations, and insights to be consumed by stakeholders.

Required Skills & Experience

• Bachelor’s or Master’s degree in Computer Science, Data Science, AI, or related field.
• 4+ years hands-on experience in Machine Learning / NLP / GenAI.
• Practical experience with RAG architectures & vector databases (FAISS / Pinecone / Weaviate / ChromaDB).
• Proficiency in Python, LangChain, LlamaIndex and LLM frameworks (OpenAI, HuggingFace Transformers).
• Strong experience in Pandas, NumPy, Matplotlib for data manipulation & visualization.
• Experience in LLM fine-tuning, prompt engineering, and in-context learning strategies.
• Cloud AI platform experience (AWS Sagemaker / Azure AI / Google Vertex AI).
• Experience integrating models into APIs and production systems (MLOps, CI/CD).
• Strong analytical mindset with ability to communicate insights to both tech and business stakeholders.

Nice to Have

• Experience with Kafka, Spark, or real-time data processing frameworks.
• Exposure to vector search optimization and prompt evaluation metrics.
• Knowledge of multi-agent AI frameworks / orchestration engines.

Job Types: Full-time, Permanent

Pay: ₹90,000.00 - ₹100,000.00 per month

Work Location: In person