Mahendhiran Iyanarappan
Summary
Technology leader with over 18 years of experience in full-stack product development and system architecture. Proficient in modern frameworks and agile methodologies, emphasizing technical strategy and individual contributions. Committed to engineering excellence through scalable design and high-availability integrations, leveraging cutting-edge technology stacks.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Software Engineering Manager
7-Eleven
Dallas, Texas
12.2019 - Current
- As an Engineering leader, Led the strategic migration of siloed legacy integration systems to a cloudnative ecosystem built on AKS, Docker based spring boot microservices.
- Orchestrated migration of 200+ legacy integrations into high-performance Spring Boot microservices ecosystem, reducing technical debt and improving system maintainability.
- Leveraged Spring Boot microservices to replace monolithic structures, ensuring 99.9% high availability and seamless horizontal scaling within the Azure environment.
- Architected and deployed an Event-Driven Architecture (EDA) using Confluent Kafka, enabling high-throughput, asynchronous data streaming across multiple stakeholder applications.
- Architected and deployed an Event-Driven Architecture (EDA) to facilitate seamless, real-time data streaming between disparate source and target systems via Confluent Kafka.
- Optimized deployment cycles by containerizing services with Docker, facilitating faster time-to-market and consistent environments across dev, staging, and production.
- Engineered integration services to manage high-volume RIS POS data, achieving low-latency delivery from 13,000+ stores to critical downstream applications.
- Accomplishments:
Senior Technical Lead
Ordusion Technologies
Dallas, Texas
06.2019 - 11.2019
- Designed and developed REST microservices API architecture to streamline integration and improve system efficiency.
- Successfully deployed REST API services in MS Azure cloud environment in AKS (Kubernetes) engine.
- Microservices and Spring batch application with Kubernetes scheduler scheduled.
- Developed QSR project to enhance customer service experience in handling and serving food products.
- Led team of 10 under managed services model to support QSR project and test automation, collaborating with customer to effectively manage Agile development.
- 7-eP platform extracts the sale information and performs pattern layout format then pushes to Horizon PDI system.
- PDI system pulls report and makes decision on LTC sale progression.
- Designed and implemented scheduled report generation and fuels sales processing to allow the business to perform predictive analysis.
- Development estimation and planning for effective implementation and tracking of Agile Sprint projects.
Technical Lead
Ordusion Technologies (Macys)
Atlanta, Georgia
05.2014 - 05.2019
- DC2.0 Backstage is part of Warehouse Management System (WMS) in Macy's Distribution Facility Center.
- Led a team of 10 in managed services model to support DC2.0 Backstage and test automation, collaborating with customer to adapt and manage development using Agile methodology.
- Designed and developed REST Micro services API architecture.
- Successfully deployed REST API services in Google cloud environment in Kubernetes engine.
- Designed and implemented asynchronous rule execution and transaction processing for order replay and analytics.
- Executed the design and implementation of rules that supported the business in predictive analysis.
- Achieved project goals through effective strategy and execution.
- Backstage projects placed orders to multiple vendors to supply products to distribution facilities.
Technical Lead
Ordusion Technologies (Macys)
Atlanta, Georgia
06.2014 - 10.2018
- PFL is the heart of the Macy's D2C applications implementing Omni Channel Distributed Order Fulfillment Logic of the online order for Macys from 600+ Stores & 8+ DCs locations.
- Led team of 20 in managed services model to support PFL core development, OCSF-UI development, and test automation.
- Partnered with customer to adapt and effectively manage development using Agile methodology.
- Implemented features and enhancements across 20+ releases, ensuring successful deployment into production.
- Designed PFL-2017 application with costing algorithms and dynamic business rules, optimizing fulfillment cost by 10%.
- Built flexibility in design to extend micro services architecture for future.
- Distributions of orders are controlled by different cost factors like capacity and others.
- Summarized project successes
IT Analyst
TCS
, India
12.2012 - 04.2014
- Designed, developed, and implemented systems in multiple live production environments to support Zurich's stock exchange market operations.
- Enabled users to develop rule-based index products flexibly, ensuring rapid time to market while maintaining a stable platform for daily operations of productive indices.
- Covered entire index value chain from capturing relevant data sources to index development, maintenance, calculation, distribution, and reporting.
- Accomplishments:
Associate Engineer
Cognizant Technology Solutions
, India
12.2010 - 10.2012
- British Gas & Sainsbury energy are the main energy resource providers in the United Kingdom.
- Developed and implemented features for back end application services, collaborating with UI development team to resolve interfacing issues.
- Implemented migrated application in production environments for British and Sainsbury energy providers, ensuring smooth transition and functionality.
- CQ5 is an enterprise-grade content management platform with a wide array of powerful features.
- It helps to build, author and publish websites, complete with enforcement of corporate design and user access control of editing and publishing the websites.
- Accomplishments:
Senior Developer
HCL Infosystems R&D
, India
03.2007 - 10.2010
- Designed, developed, and successfully deployed applications in production environments.
- Established client monitoring system to identify and resolve telecom network issues proactively.
- Implemented JMS message alerting mechanism to notify management of real-time system failures.
- The goal of fault management is to recognize, isolate, correct and log faults that occur in the network.
- Configuration gathers and stores configurations from network devices.
- Security management is the process of controlling access to assets in the network.
- Highlighted significant contributions
Skills
- Java J2EE
- Spring
- Web services (REST, SOAP)
- Jenkins
- SonarQube
- JUnit
- Code Coverage
- PMD
- Application Performance
- Docker
- Kubernetes
- Google cloud
- Azure cloud services
- Azure AKS
- AWS Kinesis
- AWS S3
- AWS SNS
- Confluent Kafka
- Data Integration
- Oracle database
- Postgres
- MySQL
- DataStax
- Apache Cassandra
- NoSQL(Cassandra)
- Microsoft SQL Developer
- WebLogic
- Tomcat
- JBoss
- Eclipse
- Version Control
- SOAP UI
- File Transfer Protocol
- In-Memory Data
Certification
- Gen AI Overview for Project Managers
Timeline
Software Engineering Manager
7-Eleven
12.2019 - Current
Senior Technical Lead
Ordusion Technologies
06.2019 - 11.2019
Technical Lead
Ordusion Technologies (Macys)
06.2014 - 10.2018
Technical Lead
Ordusion Technologies (Macys)
05.2014 - 05.2019
IT Analyst
TCS
12.2012 - 04.2014
Associate Engineer
Cognizant Technology Solutions
12.2010 - 10.2012
Senior Developer
HCL Infosystems R&D
03.2007 - 10.2010