Oct 2022 – May 2024 · 1 yr 7 mos · Bengaluru, Karnataka, India

• Led the development of scalable big data and orchestration pipelines to drive item and seller assortment growth on Walmart Marketplace, including key seasonal events like Black Friday.
• Played a pivotal role in scaling Walmart’s Market Intelligence Platform to handle 60 M+ daily requests and process 20TB of data per day.
• Enhanced competitive pricing strategy by building systems for real-time competitor product matching and price optimization.
• Improved overall platform architecture by implementing efficient streaming and batch processing systems, and integrating tools like Apache Airflow and Camunda.

Feb 2021 – Sep 2022 · 1 yr 7 mos · Bengaluru, Karnataka, India

• Working with ECommerce teams to bridge the market gaps aggressively. The team is helping the Product Matching Platform to find similar products across Walmart catalogs and competitors’ catalogs to drive pricing and lead the assortment intelligence initiatives.
• Major Contributions -
• Wrote Batch Processing Pipelines single-handedly.
• Utilised Apache Airflow, Big Queries, and GCP Hive to write Big Data Pipelines.
• Worked on distributed systems to write orchestration frameworks.
• Researched on various orchestration tools and created POCs
• Python libraries are used to write data pipelines.
• Scalable scrapping tools were used to get some competitive data for Walmart.
• Utilized Java and Spring to write microservices.

Apr 2021 – Present · 5 yrs 2 mos · Remote

• Helping thousands of students/working professionals out there who are preparing for tech jobs
• Upload Algorithms and DSA Concepts
• System Design Concepts (Low Level and High Level) - System Design Interview Problems
• Live Coding
• Tech Related Talks with Industry Experts

Jun 2019 – Jan 2021 · 1 yr 7 mos · Bengaluru, Karnataka, India · On-site

• I worked on a highly scalable product to automate the parking industry globally, and interacted with the largest parking space providers in the European and American regions to write the product for them. Worked with tight SLA so that the end user's experience would be seamless.
• Some Major contributions are -
• Built a Permit (pass) Management System and multiple microservices end-to-end, including a custom monitoring tool with alerting.
• Designed and developed highly scalable distributed systems in a B2C environment.
• Implemented full-stack serverless solutions using AWS AppSync, DynamoDB, and Lambda functions.
• Set up monitoring and alerting infrastructure with Prometheus, Grafana, and AlertManager; worked extensively with ELK stack and New Relic for real-time observability.
• Boosted API performance through optimized architecture, caching mechanisms, and a custom cache library.
• Integrated AmazonMQ for reliable message queuing in distributed systems.
• Led client interactions for application demos, technical feedback, and solution proposals.
• Contributed to architecture design, project planning, and code reviews across AWS-based projects.

Jun 2018 – May 2019 · 11 mos · On-site

• Participated in Sprint Planning, Teamwork, and Code Analysis.
• Wrote ETL (Extract-Transform-Load).
• Deep hands-on unit test cases and code quality.
• Participated in various Production Code Reviews, Unit Test Cases, and Performance Issues.
• Improved command on Data Structures by using it in my code.
• Establish and stimulate software development standards.
• Added processes along with best practices for the delivery of scalable and high-quality Software.
• Used JavaScript to handle front-end views
• Worked on RxJava to enhance the quality of ETL implementations.
• Started using logging tools like Kibana and Elastic Search to see the real-time logs.
• Worked on Cassandra so got a good understanding of a NoSQL database.

Mar 2018 – May 2018 · 2 mos · On-site

• Understood the work and team flow.
• Played with some build tools(Maven, Gradle)
• Project development tools(Redmine, Jira)
• Logging tools(Elastic Search/Logstash/Kibana)
• Got a chance to deep dove into various IDE, databases (SQL and NoSQL)
• Software development cycles.
• Deep drove into Git and other Version Control Systems.
• Worked on Sprintboot microservices to enhance the code quality, and scalability.
• Unit test case coverage.

Jun 2017 – Feb 2018 · 8 mos · Ujjain, Madhya Pradesh, India · On-site

• Wrote some services and good frameworks single-handedly in a plain text editor.
• By using the same technique I have worked on J2EE to understand servlets.
• Learn core and advanced Java, Java-based web applications.
• Some nice frameworks including
• Web Services Framework - the core of Spring boot
• ORM framework - the core of Hibernate framework
• Socket Programming-based server -the core of Java RMI.
• Implementations from scratch helped me deeply understand the existing frameworks.
• Worked on C and C++
• Wrote an Image recognition application in Python using supervised learning.
• Wrote visualization tool to understand sorting algorithms using JavaScript.

Aug 2014 – May 2017 · 2 yrs 9 mos · On-site

• Taught Maths and Science to students from 5th to 10th grade students.

Jun 2013 – Jul 2014 · 1 yr 1 mo · Ujjain, Madhya Pradesh, India · On-site

• I was learning computer and internet skills and using someone else's computer to fill out other students' exam forms and printouts for free.