Summary
Overview
Work History
Education
Skills
Certification
Hobbies and Interests
Timeline
Generic
Chandan Ghosh

Chandan Ghosh

Bangalore,India

Summary

Dynamic Senior Software Engineer with a proven track record at Walmart, excelling in Java and Spring Boot. Spearheaded initiatives that boosted sales conversion by 12.5% and enhanced system efficiency. Adept at microservices architecture and mentoring teams, driving impactful solutions in fast-paced environments. Passionate about leveraging technology to deliver exceptional results.

Overview

13
13
years of professional experience
1
1
Certification

Work History

Senior Software Engineer/Technical Lead

Walmart
Bangalore, India
07.2022 - Current
  • Working as a Technical lead for Walmart Mexico/Chile item/catalog service for International market.
  • Day to day activities involved requirement analysis, implementation of user story, Code review, analysis of new technical requirements, Designing, issue troubleshooting, performance improvement.
  • Worked for the International Catalog Service Team for the Mexico, Chile Market.
  • Implemented Offer Ranking algorithms impacting sales of 60+ million products across Mexico & Chileʼs markets.
  • Achieved 12.5% sales conversion improvements for around 10+ million products with multiple offers through offer Ranking across the Mexico market.
  • Contributed to $1.4 + billion GMV by implementing 10+ merchandising domain initiatives for the Mexico & Chile markets.
  • Enabled 5K+ business transactions per second by creating 5+ cache to lower latency & boost system efficiency.
  • Contributed to $100+ million GMV by implementing 3+ initiatives for Walmart fulfillment services across the Mexico market.
  • Reduced price update time by 60% by collaborating and solving the update issue, benefiting the business during sales.
  • Saved $2000 per month on cloud cost by performing pod profiling and reducing pod instances for Catalog Systems.
  • Impacted the visibility of 50k+ Bodega Aurrera and 20k+ Samʼs Club products by implementing 10+ market onboarding initiatives for the Mexico Market.
  • Enhanced shopping experience of 24+ million users by implementing Rating & Reviews for the Mexico market.
  • Collaborated with 6+ product teams to impact 60+ million product visibility in Mexico e-commerce with 20+ initiatives.
  • Collaborated with front-end teams (Cart -Checkout, Search, Ads) to improve user experience & business needs.
  • Achieved 80% latency reduction of API response time responsible for catering to 1+ million item compliance data.
  • Contributed & wrote 35k+ lines of Code & 10+ documentation for the Mexico and Chile merchandising domain.
  • Regulated traffic across 20+ APIs by implementing a service registry, managing communication across systems.
  • Created an application capable of handling 3K+ transactions per second to test International Catalog Systems.
  • Developed 15+ alerts & 10+ metrics dashboards to monitor the Catalog systems & prevent business concerns.
  • Created 80+ test cases, increased code coverage by 20% & resolved 15+ critical bugs to improve system efficiency.
  • Led & Executed multiple Production releases for new features impacting customer experience and business goals.
  • Interacted with more than 30 clients and efficiently resolved e-commerce pillar issues in the Catalog domain.
  • Mentored 4 new recruits, imparting 10+ KT sessions & acquainting them with 3+ code bases explaining system flows.
  • Received 'Bravo' Award 2 times for noteworthy contributions & performance in May 2023 & June 2024.

Lead Engineer

Rakuten Inc.
Bangalore, India
05.2021 - 07.2022
  • Led a team of six members in developing an application performance management tool.
  • Integrated product with multiple vendors and their ecosystems using Java, Spring, Docker, Kubernetes, and Microservices.
  • Enhanced order management application for Rakuten Mobile BSS system through bug fixes and feature improvements.
  • Utilized AWS services including EC2, Elastic Beanstalk, RDS, DynamoDB, and Lambda for various projects.
  • Developed RCP's order management platform based on Camunda workflow system using Java, Spring Boot, and Couchbase.
  • Conducted new feature development alongside application code refactoring and architectural improvements.
  • Performed code reviews and mentored developers to enhance team capabilities.

Tech Lead/Senior Consultant

Deloitte
Bangalore, India
05.2021 - 07.2022
  • Led development of next-gen Capitation system for US-based healthcare insurance client.
  • Managed team of 8 developers, encompassing UI, backend, and DevOps roles.
  • Provided technical solutions to clients while guiding developers in cloud-enabled application building.
  • Designed and implemented event-driven calculation engine utilizing microservices architecture.
  • Built microservices using Spring Boot and React/Redux; established CI/CD pipelines with Jenkins, Rancher, and JFrog.
  • Facilitated asynchronous communication among microservices using Apache Kafka.
  • Previously led scrum team of 6 developers, creating UI components with Angular 7 and Bootstrap framework.

Senior Software Engineer

IBM India pvt ltd.
Bangalore, India
04.2019 - 01.2021
  • Migrated a large monolithic application to multiple microservices for US-based telecom client.
  • Developed internal IBM application for project hiring using Angular 4 and Spring Boot.
  • Created test automation tool to generate test cases from Yang Model, simplifying testing for automation team.
  • Collaborated with DevOps team to automate CI/CD processes, enhancing deployment efficiency.
  • Implemented Jenkins pipeline for building, testing, and deploying applications to cloud environments.
  • Utilized Docker and Kubernetes to manage microservices orchestration effectively.
  • Assisted automation team in developing integration test scripts and unit tests within Jenkins pipeline.
  • Applied test-driven development practices using JUnit and Mockito to improve code quality.

ASSOCIATE SOFTWARE ENGINEER

Cognizant
Kolkata, India
08.2016 - 03.2017
  • Developed end-to-end application for fund queries using Angular JS and Spring MVC.
  • Created SOAP/Rest-based web services for customer site to enhance functionality.
  • Designed automation tools to support existing web applications and improve efficiency.
  • Executed various enhancements and major bug fixes for improved application performance.

SYSTEMS ENGINEER

Tata Consultancy Services
Chennai, India
07.2012 - 08.2016
  • Completed 3.5 years of development on multiple projects for European insurance client.
  • Developed end-to-end enterprise application monitoring tool to oversee business applications.
  • Enabled monitoring of application states, current loads, web service transactions, and turnaround times.
  • Implemented notification system to alert users in case of application failures.
  • Contributed to analytics module generating real-time insights based on various parameters.
  • Developed enterprise application license management tool to track multiple licenses in use.
  • Configured application server setups for Oracle WebLogic, IBM WebSphere, and Apache Tomcat.
  • Collaborated in TCS internal product development team for HR onboarding and training modules.

Education

Bachelor of Computer Applications - Computer Science

Meghnad Saha Institute of Technology
Kolkata
04.2012

Higher Secondary - Science

Dum Dum Baidyanath institution
Kolkata
01.2009

Secondary Education -

Lavan Hrad Vidyapith
Kolkata
01.2007

Skills

  • Java and Spring Boot
  • Microservices architecture
  • Containerization with Docker
  • Orchestration using Kubernetes
  • Frontend frameworks: Angular and React
  • Continuous integration with Jenkins
  • DevOps practices
  • Cloud platforms: Azure and AWS
  • RESTful API development
  • API management with IBM API Connect

Certification

  • Microservice practitioner essential
  • IBM Api connect workflow management
  • IBM Bluemix essentials

Hobbies and Interests

  • Coding
  • Technology
  • Travelling

Timeline

Senior Software Engineer/Technical Lead

Walmart
07.2022 - Current

Lead Engineer

Rakuten Inc.
05.2021 - 07.2022

Tech Lead/Senior Consultant

Deloitte
05.2021 - 07.2022

Senior Software Engineer

IBM India pvt ltd.
04.2019 - 01.2021

ASSOCIATE SOFTWARE ENGINEER

Cognizant
08.2016 - 03.2017

SYSTEMS ENGINEER

Tata Consultancy Services
07.2012 - 08.2016

Bachelor of Computer Applications - Computer Science

Meghnad Saha Institute of Technology

Higher Secondary - Science

Dum Dum Baidyanath institution

Secondary Education -

Lavan Hrad Vidyapith

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