Periasamy Karmegam
Chennai
Summary
Senior Engineering Manager with 15+ years of experience leading large-scale Digital Transformation, eCommerce, Cloud modernization, and high-performing engineering organizations. Expert in Agile/DevOps delivery, driving customer experience improvements, platform migrations, and multi-million-dollar cost optimization initiatives. Managed cross-functional teams of 60+ across global programs, improving VOC scores by 75%, reducing legacy platform costs by $10.8M, and enabling 85% traffic shift through scalable Microservices architecture. Proven ability to define technology strategy, deliver enterprise programs on time, and partner with business leaders to accelerate growth.
Overview
16
16
years of professional experience
1
1
Certification
Work History
Senior Manager
Verizon Data Services India Private Limited
02.2012 - 12.2025
- Led Digital Architecture Modernization and migration of eCommerce platform to React and Microservices, improving scalability.
- Managed organization of 60+ engineers including dev, QA, and architects; implemented Agile at scale to accelerate feature release cycles.
- Improved VOC score from 2.4 → 3.1 → 4.2 through CX optimization and performance tuning.
- Directed strategic delivery for National & Rep-Assisted programs, balancing scope, cost, and schedule using data-driven execution.
- Reduced customer call and SWW errors by 90% through proactive operational excellence initiatives.
- Improved team productivity by implementing agile methodologies, reducing project completion times and enhancing collaboration.
Vision mainframe Migration to Java and Performance Optimization
MTS III and MTS IV
01.2016 - 01.2021
- Led platform modernization for the Order Rewire (Reads) DVS program, migrating a high-volume legacy Vision mainframe application to a modern Java-based microservices architecture using Cassandra, improving scalability and performance.
- Directed performance optimization for the Line Validation application — previously the highest MIPS consumer — achieving a reduction of 7,000 IBM MQ MIPS, driving significant operational cost savings.
- Delivered end-to-end modernization for Order Rewire (Writes) across multiple implementation phases, enabling successful production rollout between 2018–2021.
- Enabled critical customer-impacting business workflows, including Activation, Change, Disconnect, Hotline, E911, Port-in, Suspend & Reactivation, strengthening customer operations and provisioning reliability.
SSP Workflow & Billing Modernization
MTS I and MTS II
01.2012 - 01.2016
- Contributed to the SSP Workflow — Wireline program, designing and developing EJB-based J2EE pipeline services supporting customer onboarding into the Verizon Single Biller (SSP) platform.
- Led the Debit Consolidation Migration, simplifying customer billing processes and reducing support inquiries related to billing discrepancies, improving customer experience.
- Defined the product requirements and oversaw the implementation of a dynamic Rule Engine Framework, enabling business users to configure complex logic without code, significantly improving go-to-market speed.
- Directed the AEPONA platform migration to enhance service fulfillment and order management, resulting in improved operational efficiency and system scalability.
- Achieved $10.8M annual license cost savings by eliminating AEPONA, enabled $4.5M incremental revenue through new workflow enablement, and reduced partner onboarding from 24 weeks to 2 weeks.
- Leveraged data-driven analytical insights to influence product strategy and roadmap decisions, increasing digital sales impact by 25%.
Software Developer: House Bill BL Module for ESL a leading liner shipping company
Solverminds Solutions & Technologies Pvt Ltd
01.2010 - 01.2012
- Designed, developed, and enhanced the House BL (Bill of Lading) module, a critical logistics component supporting global container import operations in India, ensuring accurate cargo distribution and seamless regulatory compliance.
- Optimized billing and documentation workflows, improving process efficiency and reducing operational costs across import logistics and cargo handling.
- Implemented automated charge and package split capabilities, enabling the generation of unique House BL numbers used for customs clearance, invoicing, and payment processing.
- Improved logistics data transparency and documentation accuracy, significantly reducing manual intervention and accelerating customs clearance and billing turnaround cycles.
Education
MCA - Computer Science
01.2010
GPA: 81.33%
Bachelor of Science - Physics
01.2007
GPA: 79.83%
Skills
- Digital Transformation
- Agile & DevOps Delivery
- Team Leadership & Cross-Functional Collaboration
- Artificial Intelligence (AI) & Generative AI Enablement
- Customer Experience (CX)
- ECommerce & Order Orchestration
- Employee & Stakeholder Engagement
- Emerging Technology Adoption
- Backend & Frameworks: Java / J2EE, Spring Boot, Microservices, WebServices, Apache Camel ,Postman, JSON, XML
- Frontend: Reactjs, Micro-Frontend Architecture, AngularJS
- Messaging & Middleware: RabbitMQ, IBM MQ, WebSphere MQ, JBoss, Maven, Docker,AWS
- Databases: Postgres , SQL , MySQL , Cassandra , SQL Server , Oracle SQL Developer
- Platforms & Dev Tools : IntelliJ , Eclipse , Spring Tool Suite (STS) , VS Code ,GitHub, Jenkins, Confluence ,Jira , G Suite
- AI Tools : Copilot, Cursor , ChatGPT , Claude , Agnatic AI ,Gemini
Accomplishments
- Awarded the annual CIO Award (2017) for the successful delivery and production launch of the critical V5 Single Biller Program.
- Received the Commitment to Verizon Core Award (2021), demonstrating consistent dedication to corporate values.
- Recognized with 18 Spot Light Awards across 13 years for exceptional performance and contributions.
- Completed a two-month on-site assignment in Dallas, TX, USA (L1B Visa) to provide essential support for the V5 Single Biller Project (2016).
Certification
- Generative AI Development: Advanced training in Generative AI for Java Developers, focusing on practical application and integration.
- AI Development Tools: Expert proficiency in utilizing leading AI assistants for coding and productivity, including GitHub Copilot, Cursor AI, ChatGPT, and Gemini.
- Agentic AI & Project Management: Completed specialized training in Agentic AI methodologies and leveraging Generative AI tools to enhance Project Management efficiency and strategy.
Declaration
I here by declare that the information furnished above is true to the best of my knowledge and belief. Date: Place: Chennai (K.PERIASAMY)
Languages
English
Advanced (C1)
Tamil
Advanced (C1)
Hobby
Gardening , Coin collecting ,Knowledge Sharing
Timeline
Vision mainframe Migration to Java and Performance Optimization - MTS III and MTS IV
01.2016 - 01.2021
Senior Manager - Verizon Data Services India Private Limited
02.2012 - 12.2025
SSP Workflow & Billing Modernization - MTS I and MTS II
01.2012 - 01.2016
Software Developer: House Bill BL Module for ESL a leading liner shipping company - Solverminds Solutions & Technologies Pvt Ltd
01.2010 - 01.2012
Physics Arul Anandar College - Bachelor of Science, Physics
Madurai Kamaraj University - MCA, Computer Science