---
title: "Aakash Aggarwal - Senior Data Engineer II in Gurugram | Tal"
description: "Meet Aakash Aggarwal, Senior Data Engineer II @ American Express | Big Data, Spark, Airflow, AWS | Building Scalable Data Platforms based in Gurugram. AI stack includes claude, codex, and cursor."
image: "https://tal.club/meet/aakash-aggarwal/share-image"
---

# Aakash Aggarwal on Tal

## Headline

Senior Data Engineer II @ American Express \| Big Data, Spark, Airflow, AWS \| Building Scalable Data Platforms

## About

Senior Data Engineer with 11\+ years of experience building scalable data platforms, ETL pipelines, and big data solutions across fintech, banking, payments, and enterprise analytics\. I specialize in Apache Spark, PySpark, Spark Streaming, Airflow, Kafka, SQL, AWS, Databricks, Hive, and data warehousing\. At Paytm, I worked on data architecture for SLA\-critical pipelines processing 30TB\+ daily, with a focus on performance, reliability, and maintainability\. My work spans batch and streaming pipelines, data quality frameworks, distributed processing, cloud migration, and analytics enablement\. I enjoy solving high\-scale data problems, improving platform reliability, and mentoring engineers on modern data engineering practices\. Core areas: Data Engineering, Big Data, Spark, Airflow, Kafka, AWS, Databricks, Data Warehousing, ETL, Streaming, Data Quality\. Skilled Data Engineer with Proficiency in Developing and Managing Data Infrastructures \#DataEngineering \#BigData \#DataInfrastructure \#DataPipelines \#DataOps \#ETL \#DataIntegration \#DataArchitecture \#DataWarehouse \#DataQuality \#DataManagement \#DataAnalytics \#ApacheSpark \#Hadoop \#CloudComputing \#MachineLearning \#ArtificialIntelligence \#StreamingData \#DataScience \#DataDrivenDecisions \#DataSolutions \#DataTransformation \#DatabaseManagement \#DataGovernance \#DataSecurity \#AnalyticsEngineering \#DataJobs \#DataCareer \#TechIndustry \#LinkedIn

## Location

Gurugram

## AI stack

claude

codex

cursor

github copilot

Devin

## Work experience

Senior Data Engineer II at American Express, Jun 2025 \- Present · 1 yr 5 mos, Gurugram, \- Designed and maintained scalable data pipelines for high\-volume financial data processing using Spark, SQL, and cloud data platforms\. \- Improved pipeline reliability by optimizing job orchestration, monitoring, and failure recovery for SLA\-critical workflows\. \- Built reusable data engineering frameworks for validation, transformation, and downstream analytics consumption\. \- Collaborated with product, risk, analytics, and platform teams to deliver trusted datasets for business reporting and decision\-making\.

Senior Engineer 1 at American Express, Feb 2024 \- May 2025 · 1 yr 4 mos, Hybrid

Senior Technical Lead at Paytm, Aug 2021 \- Feb 2024 · 2 yrs 7 mos, Noida, Uttar Pradesh, India, Developed data architecture for processing 30TB of data daily for SLA\-critical jobs Responsible for designing and developing scalable, maintainable data pipelines and writing complex business change requirements Achieved estimated monthly cost savings of 100k\-300k USD through optimized operations Utilized data\-driven insights to make informed decisions and drive continuous improvements in engineering and operational excellence metrics\.

Data Engineer II at Bank of America, Oct 2019 \- Jul 2021 · 1 yr 10 mos, Gurgaon, India, Developed PySpark control/validation checks and maintained data integrity, accuracy, correctness, and precision Led the "Specialty Loans" thread in the loans team to successful completion Introduced automation to improve throughput and reduce manual effort Designed and implemented reusable components to improve development time and efficiency\.

Project Associate \- Big Data at Cognizant, Apr 2018 \- Oct 2019 · 1 yr 7 mos, Gurgaon, India, Project: Reddit external kri\(Scraping and Analysis\) – Banking & Finance Client Description: In this, need to crawl/scrape data from various blogs/tweets/websites, analyze, process and create an alert triggering mechanism to business users based on the criticality of the content\. • Responsible for developing an architecture for complete process flow\. • Involved in setting up of Infrastructure on cloud, continuous integration and continuous deployment pipelines\. Orchestration is done using release management\. • Written the python codes for data scraping, mining, processing and sending storage layer and Global alert system\(GAR\)\. • Responsible for handling change request in existing codes\. Technology Stack: Python \|\| MongoDB \|\| Machine Learning API \|\| Release Management \|\| Bitbucket GIT \|\| Jenkins \|\| Amex cloud

Senior Systems Engineer at Infosys, Jan 2015 \- Apr 2018 · 3 yrs 4 mos, Hyderabad, Project: Development of Scripts \- Bertelsmann Music Group\. This project is divided in two parts Prime and Analytics\. Prime sections deals with the songs that are recorded by various artists, should be analyzed and integrated with our existing data records\.Also some cost calculations are involved in that and Analytics section is dealing with the analysis on data to generate the reports on top publications, top albums, country wise details and transaction dates as per the business users requirement\. I am the part of Analytics section in which development of Hive,Pig and Impala scripts to analyze the data generated in the company through various musical tools like Itunes, ADA, Deezer, Spotify, etc,\. Analysis of the data collected from different sources, countries will help increase the business requirement\. • Created Hive DDL scripts to create Hive Partitioned parquet tables and DML scripts for data transformations\. • Created DML Impala and pig transformation scripts for integrations and aggregations purposes\. • Executed the shell scripting used to executed the flow of above scripts in sequential manner\. • Responsible for end to end system testing before deploying in production environment \. • Involved in production deployment\. • Responsible for the changes in the current scripts like change in logic of existing code, include some reference table data at root level, addition of new attributes, etc\. • Guiding new joiners in whole training process\.

## Education

B\.Tech, Electrical and Electronics Engineering, ABES ENGG\.COLLEGE

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

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