Syed Sharjeelullah

Role: Senior Data Engineer at Walmart
Location: Hillsborough, NJ, US
LinkedIn followers: 500 followers

Information TechnologyView LinkedIn profile

About Syed Sharjeelullah

As a Senior Data Engineer at Walmart, I lead end-to-end data initiatives that power data-driven decision making across the organization. With over 10 years of professional experience in healthcare, ad-tech, and retail, I have delivered high-impact projects by designing and implementing scalable big data solutions.I specialize in building and managing data lake infrastructure in AWS S3, leveraging Apache Spark and Databricks for large-scale data processing, and optimizing Snowflake as the enterprise data warehouse. I also drive automation and reliability in workflows using Apache Airflow, orchestrating complex ETL pipelines across cloud and analytics platforms.Beyond technical delivery, I play an active role as a mentor and technical leader, guiding engineers on best practices in data architecture, PySpark development, and pipeline optimization. I collaborate closely with Product, Analytics, and Data Science teams to translate business requirements into robust engineering solutions.I hold dual Master’s degrees in Engineering Management and Computer Engineering from the New Jersey Institute of Technology, and I am passionate about advancing Walmart’s data strategy while fostering a culture of continuous learning within the data engineering community.

Experience

Senior Data Engineer
Walmart
Dec 2024 — Present · Denver, CO, US
Leading end-to-end data initiatives from requirements gathering to production deployment, partnering with Product, Analytics, and Data Science teams to design and deliver scalable big data solutions.Architecting and managing Walmart’s enterprise-scale data lake in AWS S3, ensuring efficient ingestion, transformation, and governance of high-volume datasets.Designing and developing PySpark pipelines in Databricks for large-scale ETL workflows, ensuring performance, reliability, and cost optimization.Overseeing Snowflake data warehouse strategy, including schema design, performance tuning, and integration with upstream and downstream systems.Serving as a mentor and technical lead for junior engineers, providing guidance on best practices in PySpark, data modeling, and pipeline optimization while fostering a culture of knowledge sharing across the team.Driving automation and reliability of data workflows using Apache Airflow in AWS, orchestrating dependencies across Databricks, Snowflake, S3, and external APIs.Actively contributing to data strategy and roadmap discussions, ensuring alignment between engineering efforts and business objectives.

Education

New Jersey Institute of Technology
Master of Science - MS, Engineering/Industrial Management
2018 — 2020
New Jersey Institute of Technology
Master of Science (MS), Computer Engineering
2015 — 2016

Skills

IT Solutions
Networking
Sql
Android Development
Windows
Mobile Application Development
Java
C
Programming
Microsoft Office
Html
Javascript
Apple Pages
C#
Oop
Matlab
Powerpoint
Microsoft Excel
Mysql
C++
Php
Xml
Phpmyadmin
Sqlite
Microsoft Word
Software Development
Python
T-Sql
Microsoft Sql Server
Data Analyst
Tcp/Ip

Contact information

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Current company

Razorpay

Software Development · 4K employees · Bangalore, Karnataka, India

Power your finance, grow your business. Razorpay is India’s first full-stack financial solutions company. We are on a mission to enhance the payment experience of over 300 million end consumers. And in doing so, we aim to enable Indian businesses - big and small - accept payments digitally with minimal effort and maximum ease. Razorpay has grown from being a payment gateway provider to a solutions-driven organization boasting of an extensive products suite to accept and disburse payments as well as raise capital and park money. In a nutshell, we fit into every nook and corner where your business touches money. #OutgrowOrdinary We identify ourselves as disruptors in the digital payments space and our vision is to power the financial ecosystem for other disruptors. Like attracts like and Razorpay actively looks to partner with established companies and startups that have either broken the glass ceiling in their industry or are set to. The Razorpay Product Suite today comprises verticals, along with Payment Gateway, like Payment Links, Payment Pages, Subscriptions, Smart Collect, Route, Razorpay Capital, RazorpayX, Payroll and Thirdwatch. Razorpay was started in 2014 by two IIT Roorkee alumni, Harshil Mathur and Shashank Kumar. Just a short few years later, Razorpay has evolved into a 800-odd strong organization with some of the best talents in the country helping some of the best companies manage their money movement seamlessly. Certified cool We are a bunch of spirited, ambitious and fun folks. And no, we’re not saying this ourselves--leading institutions have recognized Razorpay for the high trust and high-performance culture that we maintain. Our strength lies in the people we are and we go to great lengths to nurture a family of coders, designers, sellers, marketers, analysts, writers, runners, photographers, gamers, tinkerers, and above all, people who are dreamers and doers at the same time. Be a part of our exciting journey.

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