Summary
Overview
Work History
Education
Skills
Certification
Accomplishments
Timeline
Generic

GANESAN MARIMUTHU

Prosper,Texas

Summary

Highly accomplished software professional with 18+ years of experience in designing, developing, and deploying enterprise-grade, cloud-native solutions for eCommerce, web, and mobile applications. Proven track record in architecting and implementing scalable, high-performance microservices using Java, Spring Boot, Spring Cloud, and Kafka. Adept at optimizing system performance and reducing costs through innovative design and architecture. Deep expertise in large-scale and real-time data processing, as well as event-driven architecture patterns. Passionate about harnessing cloud technologies (AWS, Azure) to tackle complex business challenges and deliver impactful solutions. Extensive experience in Retail e-Commerce, Logistics and Transit Management Systems (TMS).

Overview

18
18
years of professional experience
1
1
Certificate

Work History

Software Engineer Technical Lead

Lululemon Inc
10.2022 - Current
  • Successfully migrated legacy systems to Microservices based, AWS cloud-native enterprise application, achieving 70% reduction in processing time and 100% system availability
  • Led design and implementation of microservices using Java, Spring Boot, Kafka, Redis, Kubernetes, AWS, and PostgreSQL, resulting in 70% increase in shipment processing speed and 90% reduction in error rates compared to legacy system
  • Significantly improved DC/Store user onboarding efficiency by implementing SSO integration with Azure AD, automating profile provisioning and user management within Store portal
  • Enhanced service observability by instrumenting microservices with Micrometer for metrics and enabling distributed tracing
  • Improved service performance by 20% through optimized metrics
  • Implemented robust resiliency mechanisms, including Retry with Back-off, Timeout, and Fallback strategies, to enhance reliability and performance of external Carrier API integrations
  • Leveraged KEDA (Kubernetes Event Driven Autoscaling) metrics and improved Kubernetes auto-scaling (HPA) to align with Kafka consumer latency.
  • Guiding product & business team on building the technical roadmap and plan the deliverables
  • Architected new features for existing software applications using design patterns and engineering best practices to deliver higher quality and scalable solutions.
  • Supported RFC standards process and served as advocate for organization by fully engaging, identifying, and partnerships to advance mission.
  • Conducted periodic design, analysis, code review and process adherence to maintain coding standards and quality of deliverables.
  • Prioritized security best practices to protect sensitive PII data and system integrity throughout development.
  • Designed and implemented strategies for disaster recovery, backup and restore procedures, patch management cycles.

Technical Lead

Mastek Inc (previously known as Trans American Info Systems Inc)
03.2014 - 10.2022
  • Designed and implemented highly scalable, fault tolerant systems using Java 8/11, J2EE, Spring Boot, Kafka, Oracle ATG Commerce, SEO, Personalization, Elastic, Logstash & Kibana (ELK), React Native, React, Redux, AWS/Azure cloud, Postgres and MongoDB.
  • Led team to resolve technical challenges, lead organization level initiatives to build technical competency to meet business needs
  • Developed Account, Wishlist, Gift cards, Ship-to-Store, PDP, Cart & Checkout service for e-commerce web & mobile sites with reusability and interoperability
  • Completed POS native app's payment integration with Heartland Payment System and enabled support to Contact and Contactless (Apple Pay & Google Pay) payment with Cash-back options for better user experience
  • Completed enhancement on sending Transaction's batch closure event to AWS SNS topic when Shift/Day close occurs from POS
  • Integrated 3rd party APIs into existing systems to streamline data exchange between applications
  • Conducted research to evaluate systems design and process efficiency.
  • Defined non-functional requirements such as performance, security, resiliency which support development of epics and user stories aligned to value stream
  • Presented roadmap and technology infrastructure to customers, demonstrating deep familiarity with APIs, platform infrastructure, security and integration capabilities.

Senior Associate / Technical Lead

Cognizant Technologies Solutions
08.2011 - 02.2014
  • Responsible for preparing the High-Level Design & low-level technical design for Site switching, Loyalty Returns, Rx Family Order, Endeca API integration
  • Assisted team through technical obstacles with expertise of system details.
  • Designed and developed Customer Service application using Java, J2EE, JSP, Servlet, JMS, Oracle ATG CSC, Ajax, Html, CSS, Oracle Database.
  • Designed Loyalty Returns batch process and Loyalty points adjustments and added more business value to CSC application.
  • Optimized client side components with YUI compression for bundling and minimization of User Interface resources.
  • Developed and implemented strategies to increase customer satisfaction and engagement.

Senior Software Engineer

Tesco HSC
06.2009 - 07.2011
  • Designed and developed web based Customer Service application using Java, J2EE, JSP, Servlet, JMS, Oracle ATG CSC, Ajax, HTML, CSS, Oracle 10g, JBoss
  • Completed development of Cart and Checkout, Reporting module, Split shipping/payment group, Product Display page and customization of left navigation of product search page.
  • Integrated product search with Endeca and customized product display in Instore front end user interface.
  • Configured RKM Client in test automation and resolved credit card encryption issue in Regression environment.

Technical Lead

Keane India Pvt Ltd
11.2006 - 04.2009
  • Provided technical solutions using best practices and service driven development using Java, JSP, REST and SOAP Web Services, JMS, EJB, Software Design Patterns, JavaScript, and SQL
  • Maximized business potential by providing excellent customer service and ensuring 100% client retention
  • Participated in full software development life cycle (SDLC) from requirements gathering through system implementation.
  • Assisted team through technical obstacles with expertise of system details.
  • Optimized existing applications by refactoring code and implementing design patterns.
  • Investigated software issues by troubleshooting and analyzing systems.
  • Collaborated with QA teams during UAT cycles to ensure high-quality releases.

Education

Bachelor of Engineering - Computer Engineering

National Engineering College
Kovilpatti, India
04.2004

Skills

  • Java
  • Spring Boot, Kafka, Redis
  • Microservices Architecture
  • Azure/AWS
  • API Design and Management
  • Mongo DB, Postgres, Oracle DB
  • IAM, S3, API Gateway
  • Kubernetes, CI/CD, GIT pipeline
  • React, NodeJS, TypeScript
  • Software Architecture Design
  • TMS, WMS, Order Fulfillment Service
  • Event Driven Systems
  • Oracle ATG Commerce, Endeca, Elastic
  • Software architecture design

Certification

  • AWS Certified Solutions Architect Associate
  • Oracle ATG Certified Commerce Developer
  • SAFe Agile 4 Practitioner
  • Sun certified Java Programmer

Accomplishments

  • Participated in Lululemon Hackathon-2024 and presented the idea on AI based Shipment Options API.
  • Received Award for exhibiting Core value of Creativity from client, Publicis Sapient.
  • Received Guiding light award for building strong and independent CSC team from Cognizant Technology Solutions.

Timeline

Software Engineer Technical Lead

Lululemon Inc
10.2022 - Current

Technical Lead

Mastek Inc (previously known as Trans American Info Systems Inc)
03.2014 - 10.2022

Senior Associate / Technical Lead

Cognizant Technologies Solutions
08.2011 - 02.2014

Senior Software Engineer

Tesco HSC
06.2009 - 07.2011

Technical Lead

Keane India Pvt Ltd
11.2006 - 04.2009

Bachelor of Engineering - Computer Engineering

National Engineering College

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