---
title: "Vikash kumar Mahato - Data Analyst in Kolkata | Tal"
description: "Meet Vikash kumar Mahato, Data Engineer | Analytics Engineer | Python | SQL | dbt | Airflow | Snowflake | ETL/ELT | Data Pipelines | Data Quality | Immediate Joiner based in Kolkata. AI stack includes geminicli, github copilot, and langchain. Explore public work links including github."
image: "https://tal.club/meet/vikash-kumar-mahato/share-image"
---

# Vikash kumar Mahato on Tal

## Headline

Data Engineer \| Analytics Engineer \| Python \| SQL \| dbt \| Airflow \| Snowflake \| ETL/ELT \| Data Pipelines \| Data Quality \| Immediate Joiner

## About

I’m a Data Engineer / Analytics Engineer with nearly 3 years of experience working across data engineering, analytics, and data quality, with a focus on building reliable pipelines and reporting\-ready data\. In my current role, I work with SQL, dbt, Python, data modeling, data\-quality validation, and scheduled data workflows across retail and e\-commerce datasets\. Some of the work and outcomes I’ve delivered include: → Worked with datasets containing 300M\+ records across 5–6 data pipelines and 2–3 data sources\. → Enhanced 7–8 dbt models covering transformation logic, business rules, and Fact & Dimension modeling\. → Reduced manual data\-quality testing effort by 40% through reusable dbt validation covering 7\+ quality dimensions\. → Improved pipeline reliability by 60–70% by resolving recurring production issues across data types, primary keys, missing records, duplicate loads, and incremental processing\. → Reduced data\-processing time from 1\+ hour to approximately 10 minutes through SQL/dbt workflow improvements\. → Achieved 90%\+ source\-to\-target data matching while validating incremental jobs for consistency and idempotent processing\. → Supported reporting and data\-quality analysis for 20\+ stakeholders using Python, Tableau, and Streamlit\. My current technical focus includes: Python \| SQL \| dbt \| Apache Airflow \| Snowflake \| PostgreSQL \| AWS S3 \| GCP \| ETL/ELT \| Data Pipelines \| CDC \| Incremental Loading \| Data Modeling \| Data Warehousing \| Data Quality \| Docker \| Git I’m currently looking for opportunities as a: Data Engineer \| Junior Data Engineer \| Analytics Engineer \| ETL Developer I’m an Immediate Joiner and open to opportunities across India\. If you're hiring for a Data Engineering role or know of a relevant opportunity, I’d be happy to connect\.

## Location

Kolkata

## AI stack

geminicli

github copilot

langchain

langgraph

huggingface

ChatGPT

## Work experience

Data Analyst at Data Radian Technologies, Sep 2024 \- Present · 2 yrs 1 mo, Hyderabad, • Engineered and maintained 5–6 SQL/dbt ETL/ELT pipelines across 2–3 data sources, working with datasets containing 300M\+ records for downstream BI reporting\. • Enhanced 7–8 dbt models with transformation logic, business rules, and reusable Fact & Dimension models for retail and e\-commerce analytics\. • Reduced manual data\-quality testing effort by 40% through a reusable dbt validation framework covering 7\+ quality dimensions, including primary\-key integrity, consistency, data types, timeliness, validity, and relationship integrity\. • Improved pipeline reliability by 60–70% by resolving recurring production issues involving primary keys, data types, missing records, duplicate loads, incremental processing, and data\-quality failures\. • Reduced data\-processing time from 1\+ hour to approximately 10 minutes \(\~83% reduction\) through improvements to SQL/dbt transformation workflows\. • Validated 90%\+ source\-to\-target data matching across Raw Vault, Business Vault, Fact, and Dimension models and supported daily/weekly dbt workflows and production troubleshooting\.

Trainee Data Analyst at Data Radian Technologies, Nov 2023 \- Sep 2024 · 11 mos, Hyderabad, Telangana, India

Technical Support Executive at Teleperformance, Jun 2023 \- Aug 2023 · 3 mos, India

Technical Support Executive at Teleperformance, Feb 2023 \- Mar 2023 · 2 mos, India

## Education

Bachelor of Technology \- BTech, Chemical engineering, haldia institute of technology

High School/Secondary Certificate Programs, shree jain vidyalaya

## Public links

- github: https://github\.com/vikashkr09

[View the original profile](https://tal.club/meet/vikash-kumar-mahato)

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