Nagendran Thangasamy
Summary
Seasoned Solution Architect specializing in the modernization of enterprise ecosystems through Microservices, Cloud-native design, and API-driven integrations. With a career spanning 22 years—including 7 years of international exposure in the U.S.—I bridge the gap between complex engineering challenges and seamless delivery. Expertise in the Java ecosystem (Spring Boot, Java/J2EE) and a deep background in the Banking and Education domains. Adapt at leading cross-functional, global teams to build high-performance distributed systems that reduce technical debt and accelerate time-to-market.
Completed a 1-year specialization in Data Science and Artificial Intelligence, with hands-on experience in Python, deep learning, machine learning model development, training, evaluation, and performance optimization for production-ready applications.
Overview
20
20
years of professional experience
Work History
Principal Engineer
Verizon
Chennai
01.2021 - Current
- Define enterprise blueprints by collaborating with stakeholders to establish enterprise architecture principles, standards, and blueprints that align IT infrastructure with long-term business goals.
- Lead the strategic transition of monolithic legacy systems into scalable, cloud-native microservices and API-first ecosystems.
- Assessed emerging full-stack technologies and delivered architectural recommendations that increased platform availability to 99.9%, improved performance by 10%, and reduced security incidents by 25%.
- Project oversight: Provide end-to-end technical guidance during project analysis, design, and commissioning phases, ensuring delivery remains within budget and on schedule.
- Quality and validation: Oversee system acceptance testing (UAT), validation activities, and periodic inspections to ensure high availability and zero-downtime deployments.
- Engineering Optimization: Evaluate and refine existing engineering processes, introducing Agile and DevOps best practices to accelerate the SDLC.
- Collaborative Innovation: Lead cross-functional engineering meetings to brainstorm new architectural patterns, and resolve systemic technical debt.
- Mentorship: Act as a technical mentor to senior developers and junior architects, fostering a culture of continuous learning in both Java and Python-based AI development.
Senior Architect
Cognizant
Chennai
07.2006 - 01.2021
- Cloud Transformation (AWS): Orchestrated the migration and integration of mission-critical solutions using AWS (EC2, Lambda, S3, RDS), optimizing cloud spend, and improving disaster recovery protocols.
- Onsite Stakeholder Engagement: Leverage 7+ years of U.S.-based experience to manage client expectations, translate complex business requirements into technical specifications, and resolve high-level concerns.
- Architectural governance: conducted regular reviews to ensure all new project initiatives aligned with the established RA, reducing architectural drift, and preventing the accumulation of technical debt.
- Blueprint modernization: continuously evolved the enterprise technology stack by replacing legacy patterns with modern, cloud-native, and event-driven reference designs.
- Provided technical leadership and mentorship to cross-functional development teams following Agile/Scrum SDLC, consistently delivering secure, high-performance, and user-centric applications.
- Translated complex business and functional requirements into robust architectural solutions by defining system qualities such as scalability, adaptability, high availability, resilience, and reusability, leveraging proven design patterns and best practices.
- Experience working with multi-vendor, multi-culture, distributed offshore, and onshore teams.
Education
P.G Diploma in Data Science & AI -
IIIT-B
Bangalore12-2025
Master of Science - Computer Science
Hindustan College of Arts & Science
Chennai05-2003
Skills
- Java,Java EE, Python,Microservices, Reactjs
- Oracle, PostgreSQL,Aurora,Mark Logic,JDBC
- SpringMVC,SpringBoot, Spring Reactive
- AWS, EC2, VPC, SQS, S3, RDS
- Apache Tomcat, Jetty, IBM Websphere
- Eclipse, IntelliJ
- Agile, SDLC
- Unix, Linux, Windows
- Git, BitBucket, SVN,
Timeline
Principal Engineer
Verizon
01.2021 - Current
Senior Architect
Cognizant
07.2006 - 01.2021
P.G Diploma in Data Science & AI -
IIIT-B
Master of Science - Computer Science
Hindustan College of Arts & Science