Data Engineering & ML

Shikhar Gupta

Transforming Data into Intelligence

Data Engineer specializing in building scalable data platforms, lakehouse architectures, and AI-powered analytics solutions. Currently building production-grade pipelines with Databricks and Delta Lake.

About Me

AI Engineer & Data Architect building intelligent solutions

I'm an AI-focused engineer passionate about transforming data into intelligent systems. My expertise bridges machine learning, LLM applications, and enterprise data platforms, enabling organizations to extract insights and automate decision-making at scale.

I specialize in building RAG architectures, AI chatbots, and vector-powered search systems while maintaining robust data infrastructure. Having developed models with 96% accuracy and deployed production AI systems, I understand the full lifecycle from experimentation to deployment.

Beyond technical implementation, I'm deeply engaged in prompt engineering, fine-tuning, and exploring cutting-edge AI techniques. Continuous learning and staying ahead of AI trends is central to my professional journey.

3+

Years in Data & AI

15+

AI/Data Projects

96%

Model Accuracy

5+

AI Certifications

Machine Learning

Building intelligent models using TensorFlow, PyTorch, and scikit-learn for predictive analytics

AI/LLM Applications

Developing RAG systems, prompt engineering, and vector databases for next-gen AI solutions

Data Infrastructure

Architecting scalable pipelines in Databricks to power AI models at enterprise scale

AI Innovation

Exploring emerging AI trends - from transformers to generative AI applications

Professional Experience

Journey through my professional growth and impactful projects

Key Achievements

  • Improved sales forecast accuracy by 17% using XGBoost, LightGBM, and OPTUNA on 50K POS records
  • Conducted EDA and feature engineering on 25 features, cutting prediction error by 20%
  • Boosted model interpretability through advanced feature analysis

Technologies Used

XGBoostLightGBMOPTUNAPythonData Analysis

Featured Projects

Showcasing my most impactful work in data engineering and AI

DeltaGrid – Smart Meter Data Platform

DeltaGrid – Smart Meter Data Platform

Jan 2026 - Feb 2026

Production-grade lakehouse architecture for smart meter data processing

Impact

500K+ records processed daily

DatabricksDelta LakePySparkData EngineeringETL
View on GitHub
NutriFit RAG – AI-Powered Nutrition Analyzer

NutriFit RAG – AI-Powered Nutrition Analyzer

Nov 2025 - Dec 2025

LLM-powered nutrition analysis with vector search and source citation

Impact

95% accuracy in nutrient recommendations

RAGChromaDBGroqFastAPIStreamlit
View on GitHub
YouTube Extractor

YouTube Extractor

Jun 2024 - Jul 2024

LLM-powered video summarization with high semantic accuracy

Impact

98% semantic accuracy

LLMTranscriptionSummarizationPythonAPI
View on GitHub

Technical Skills

A comprehensive toolkit built through hands-on experience

Data Engineering & Big Data

Databricks

Apache Spark

PySpark

Delta Lake

Data Pipelines

ETL/ELT

Medallion Architecture

Data Quality Checks

Expert

Programming & Databases

Python

SQL

PostgreSQL

MySQL

Pandas

NumPy

Git/GitHub

R

Expert

Machine Learning & AI

TensorFlow

PyTorch

Scikit-learn

Deep Learning

NLP

Computer Vision

XGBoost

Transfer Learning

Expert

Data Analytics & Visualization

Power BI

Tableau

Matplotlib

Seaborn

Plotly

Excel

KPI Dashboards

Statistical Analysis

Expert

Tools & Technologies

Jupyter Notebook

Google Colab

VS Code

AWS

Streamlit

FastAPI

REST APIs

JSON

Expert

Business & Analytics

Sales Forecasting

Predictive Analytics

Business Intelligence

Data Storytelling

ROI Analysis

Risk Analysis

Financial Modeling

Trend Analysis

Expert

Certifications & Courses

CETPA Data Engineering Training
Google Data Analytics - Coursera
Oracle Cloud Infrastructure Foundations
Google AI & Machine Learning
Generative AI for Everyone - Coursera
Applied Machine Learning - Coursera

Let's Connect

Reach out to me directly for collaborations or opportunities

Get in Touch

Email

shikhar.gupta.1209@gmail.com

Phone

+91-7900969202

Location

New Delhi, India

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