Harsh Bhandari

Data Scientist | AI Engineer

Nashik, India 2+ yrs exp 86 · Excellent

About

Data Scientist with 2+ years building and deploying production Generative AI and machine learning systems — including RAG-based document intelligence, agentic AI assistants, and credit risk models — using Python, LangChain, LangGraph, Azure OpenAI, and Scikit-learn. Experienced across the full ML/AI lifecycle: data preprocessing, model and prompt engineering, evaluation, and deployment via FastAPI, Docker, and Streamlit.

Skills & Expertise (39)

Python Advanced

8.5/10

Years Exp

Azure OpenAI Advanced

8.0/10

Years Exp

FastAPI Advanced

8.0/10

Years Exp

SentenceTransformers Advanced

8.0/10

Years Exp

Hugging Face Transformers Advanced

8.0/10

Years Exp

LangGraph Advanced

8.0/10

Years Exp

LangChain Advanced

8.0/10

Years Exp

Prompt Engineering Advanced

8.0/10

Years Exp

Embeddings Advanced

8.0/10

Years Exp

Semantic Search Advanced

8.0/10

Years Exp

agentic AI Advanced

8.0/10

Years Exp

Retrieval-Augmented Generation Advanced

8.0/10

Years Exp

Large Language Models Advanced

8.0/10

Years Exp

GPT Advanced

8.0/10

Years Exp

BERT Advanced

8.0/10

Years Exp

Transformers Advanced

8.0/10

Years Exp

Model Evaluation Advanced

8.0/10

Years Exp

Feature Engineering Advanced

8.0/10

Years Exp

PyTorch Intermediate

7.5/10

Years Exp

TensorFlow Intermediate

7.5/10

Years Exp

Docker Intermediate

7.5/10

Years Exp

Hyperparameter Tuning Intermediate

7.5/10

Years Exp

Jupyter Notebook Intermediate

7.5/10

Years Exp

REST APIs Intermediate

7.5/10

Years Exp

scikit-learn Intermediate

7.5/10

Years Exp

Streamlit Intermediate

7.0/10

Years Exp

Git Intermediate

7.0/10

Years Exp

GitHub Intermediate

7.0/10

Years Exp

VS Code Intermediate

7.0/10

Years Exp

Jira Intermediate

7.0/10

Years Exp

FAISS Intermediate

7.0/10

Years Exp

MySql Intermediate

7.0/10

Years Exp

Cross-Validation Intermediate

7.0/10

Years Exp

ROC-AUC Intermediate

7.0/10

Years Exp

GridSearchCV Intermediate

7.0/10

Years Exp

Gradient Boosting Intermediate

7.0/10

Years Exp

Random Forest Intermediate

7.0/10

Years Exp

Logistic Regression Intermediate

7.0/10

Years Exp

SQL Intermediate

7.0/10

Years Exp

Work Experience

Data Scientist

Happytech Software Solutions Pvt. Ltd.

Jan 2024 - Present

Delivered production Generative AI and machine learning applications end-to-end — from client requirements through deployment and monitoring — spanning RAG-based document intelligence, agentic AI assistants, and predictive risk scoring models. Engineered prompt workflows and context-aware retrieval pipelines using LangChain and Azure OpenAI to improve response grounding and minimize hallucinations in LLM applications based on BERT and GPT architectures. Designed Agentic AI workflows in LangGraph with persistent memory and tool integration, enabling autonomous multi-step reasoning beyond single-turn LLM calls. Collaborated with clients to gather requirements and translate business problems into production-ready AI solutions. Deployed and monitored AI applications in production using FastAPI and Docker, supporting reliable inference for live client workloads.