Role & responsibilities
- Build, train, evaluate, and deploy predictive machine learning models.
- Design and develop LLM-powered applications and intelligent AI agents.
- Build and implement Retrieval-Augmented Generation (RAG) pipelines.
- Fine-tune Large Language Models using techniques.
- Perform feature engineering, data preprocessing, model training, and performance evaluation.
- Work with vector databases for efficient document retrieval and semantic search.
- Design and develop multi-step agent workflows for complex problem-solving.
- Integrate AI solutions with APIs, applications, and business workflows.
- Optimize AI/ML models and applications for scalability, accuracy, and performance.
- Collaborate with cross-functional teams including software developers, data engineers, product teams, and business stakeholders.
- Stay updated with emerging technologies and best practices in Machine Learning, Generative AI, LLMs, and agent-based systems.

Mandatory Technical Skills

Programming & Machine Learning
- Expert-level proficiency in Python.
- Strong working knowledge of SQL.




- Hands-on experience with Scikit-learn, XGBoost, and LightGBM.
- Experience with Pandas and NumPy.
- Strong understanding of feature engineering, data preprocessing, and model evaluation.
- Good knowledge of evaluation metrics such as F1 Score, AUC-ROC, Precision, Recall, and Precision-Recall.

Deep Learning & LLMs
- Hands-on experience with PyTorch or TensorFlow.
- Strong experience with Hugging Face Transformers.
- Experience building applications using OpenAI and Anthropic APIs.
- Hands-on experience with LangChain and/or LlamaIndex.
- Practical experience in LLM fine-tuning, including LoRA, QLoRA, and PEFT.

RAG & Vector Databases
- Solid hands-on experience building RAG pipelines.
- Experience working with vector databases such as:
- Pinecone
- Milvus
- Weaviate
- Understanding of document retrieval, embeddings, chunking, and semantic search.

AI Agents
- Experience developing auton

📌 Ai Ml Engineer (Mumbai Suburban)
🏢 B2W Infotech
📍 Mumbai Suburban