---
title: "Vishal Chandra - Associate Research Engineer in Greater Hyderabad Area | Tal"
description: "Meet Vishal Chandra, Data engineer @ Havells India Ltd || ASE23 based in Greater Hyderabad Area. AI stack includes antigravity, claude, and gemini. Explore public work links including medium."
image: "https://tal.club/meet/vishal-chandra/share-image"
---

# Vishal Chandra on Tal

## Headline

Data engineer @ Havells India Ltd \|\| ASE23

## About

Data Engineer with 3\+ years of experience in PySpark, Databricks, and Azure, building scalable batch and real\-time data pipelines for high\-volume IoT telemetry\. Experienced in designing end\-to\-end data systems using Apache Spark, Kafka, Azure Event Hub, and IoT Hub, with strong focus on fault\-tolerant ETL pipelines, performance optimization, and cost\-efficient architecture\. Proven track record of improving compute and storage efficiency, implementing Delta Lake\-based recovery mechanisms, and orchestrating workflows using Airflow in distributed environments\. Skilled in Docker, Kubernetes, and cloud\-native data platforms, with experience collaborating across engineering, platform, and product teams to deliver reliable, production\-grade data solutions\. Actively shares technical insights through blogs on PySpark, Airflow, and real\-world data engineering challenges\.

## Location

Greater Hyderabad Area

## AI stack

antigravity

claude

gemini

openai

## Work experience

Associate Research Engineer at Havells India Ltd, Jul 2023 \- Present · 3 yrs 3 mos, Designed and implemented end\-to\-end batch and streaming data pipelines using PySpark, Databricks, Kafka, and Azure Event Hub to process large\-scale IoT telemetry data Built fault\-tolerant ETL pipelines using Delta Lake, enabling recovery from missed and late\-arriving data and ensuring data completeness across processing cycles Developed and orchestrated data pipelines using Apache Airflow, including data\-driven workflow triggers that reduced unnecessary executions by 70% Optimized Databricks infrastructure by migrating workloads from all\-purpose clusters to job clusters, significantly reducing compute costs \(₹10K\+/month\) Designed and deployed a containerized Airflow platform \(Docker \+ VMSS\) across environments with centralized access and integrations across Azure services Migrated real\-time consumers from App Service to Azure Kubernetes Service \(AKS\), improving scalability, reliability, and fault tolerance Built a real\-time consumer lag monitoring system for Azure Event Hub, reducing debugging and downtime analysis time by 50% Reduced telemetry data volume by 80–90% using Parquet optimization and resampling techniques, achieving ₹10K/month storage cost savings Led large\-scale data migrations across Cosmos DB → MongoDB, Redis, and MySQL, ensuring data integrity, minimal downtime, and achieving ₹12K/month cost savings Collaborated closely with backend, platform, and product teams to design reliable, production\-grade data systems and improve overall system performance

Data Engineering Intern at Havells India Ltd, Jan 2023 \- Jul 2023 · 6 mo, Bengaluru, Karnataka, India, Built and tested real\-time data pipelines using Kafka and Azure services \(Event Hub, IoT Hub, Blob Storage, Service Bus, Key Vault\) Led Proof\-of\-Concept \(PoC\) initiatives to evaluate new architectures and technologies, reducing implementation risk and accelerating decision\-making Identified data quality issues and contributed to debugging, system design documentation, and sprint planning in Agile environments

## Education

Bachelor of Technology, Computer Science, Amrita Vishwa Vidyapeetham

Intermediate, MPC, VelocIITy Junior College

## Public links

- medium: https://medium\.com/@postvishal14

[View the original profile](https://tal.club/meet/vishal-chandra)

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