zalavadiya sagar

Senior Data Scientist / ML Engineer

Ahmedabad, Gujarat 9+ yrs exp 90 · Outstanding

About

Senior Data Scientist / ML Engineer with 8+ years of experience in AI/ML and Generative AI across CPG, manufacturing, finance, and operations. Skilled in Python, SQL, Databricks, PySpark, LLMs, RAG, LangChain, forecasting, computer vision, and scalable ML solutions driving automation and business impact.

Skills & Expertise (36)

Deep Learning Expert

9.0/10

Years Exp

NLP Expert

9.0/10

Years Exp

Python Expert

9.0/10

Years Exp

TensorFlow Advanced

8.5/10

Years Exp

SQL Advanced

8.0/10

Years Exp

PyTorch Advanced

8.0/10

Years Exp

Databricks Intermediate

7.5/10

Years Exp

PySpark Intermediate

7.0/10

Years Exp

Visualization Statistics Image Processing Azure PowerBI YOLO Snowflake Automation Data Transformation Pandas Tableau Time Series Clustering Classification Regression Vector Embeddings Hugging Face Semantic Search Vector Databases LangGraph Retrieval-Augmented Generation Prompt Engineering Large Language Models Computer Vision Forecasting LangChain RAG LLMs

Work Experience

Associate Manager Data Science

Ahmedabad

Mar 2023 - Present

Built and deployed GenAI-powered invoice assistant chatbot reducing manual finance query resolution effort by 60% and improving turnaround time by 40%. Developed XGBoost price elasticity models in Python at PPG level using pricing, promotion, seasonality, store, and competitor data. Partnered with RGM teams to deliver pricing and promotion insights, enabling margin optimization, high-elasticity segment identification, and faster what-if scenario analysis.

Machine Learning Engineer

Dvara E-Dairy Chennai

Feb 2022 - Feb 2023

Developed a YOLO-based computer vision solution for cow udder and muzzle detection to enable unique animal identification, helping insurance companies streamline policy issuance and claims processing. Developed a TensorFlow-based image classification model to distinguish between cows and buffaloes, enabling automated segregation of thousands of images. Developed a YOLO-based segmentation model to classify multiple area categories, calculate dimensional measurements, and compare current and historical images to detect dimensional changes.

Machine Learning Engineer

Cimcon Software Ahmedabad

Jan 2020 - Jan 2022

Developed machine learning–based anomaly detection solutions using LSTM to identify abnormal patterns in product 3-axis vibration and temperature sensor data, enabling real time monitoring, automated alerts, and Power BI dashboard visualization to improve product reliability and operational efficiency. Designed an object detection solution for automated bag counting using TensorFlow and SSD MobileNet. Developed an image segmentation and object masking model using TensorFlow and Mask R-CNN. Implemented an LED detection solution using TensorFlow and OpenCV to improve product functionality.

Machine Learning Engineer

Quess Indian pvt ltd Ahmedabad

Apr 2017 - Dec 2019

Built KPI monitoring dashboards using Tableau. Manipulated operational data using SQL for performance reporting. Supported stakeholders in understanding operational metrics and trends.