KALAISELVAN KANAGARAJ
Rochester,MI
Summary
Results-driven Integration Architect and Senior Software Engineer specializing in enterprise application transformation via API management and cloud-native migrations. Directed modernization of 120+ microservices, enhancing system performance and scalability. Established governance standards and optimized operational efficiency to deliver value for stakeholders.
Overview
1
1
Certification
17
17
years of professional experience
Work History
Technical Lead
AAA Insurance
12.2018 - Current
- Directed architecture development and production support for 120+ Spring Boot microservices, ensuring secure and scalable APIs.
- Spearheaded application modernization by migrating services to Python FastAPI, enhancing performance and maintainability.
- Drove enterprise modernization initiatives by evaluating legacy systems and recommending cloud-native architectures to enhance adaptability and scalability.
- Established API governance and integration standards for mission-critical insurance operations, improving reliability and consistency of RESTful APIs and event-driven integrations.
- Led design and implementation of OAuth 2.0 JWT authentication frameworks, ensuring compliance with security requirements.
- Optimized enterprise applications through AWR analysis, query tuning, and performance monitoring, resulting in improved application performance in Oracle PL/SQL and PostgreSQL environments.
- Championed DevOps practices by implementing Jenkins and Docker-based CI/CD pipelines for automated deployments.
- Collaborated with stakeholders to align technology solutions with business objectives, delivering measurable outcomes.
Software Engineer
Cummins Inc (Manufacturing)
Columbus , IN
03.2014 - 12.2018
- Led the migration of 25+ enterprise web applications from IBM WebSphere 7 to Oracle WebLogic 12c, SiteMinder to Oracle Access Manager (OAM), and Oracle 10g/11g to Oracle 12c, including data center migration, serving as both Technical Lead and Solution Architect.
- Technical Lead driving end-to-end development of manufacturing web platforms for configuration auditing, TestOps automation, predictive analytics, gas monitoring, and labor billing.
- Designed and delivered 5 new enterprise applications using modern technology stacks including Spring MVC, Struts 2, Spring Framework, and iBATIS, ensuring scalability, maintainability, and high availability.
- Owned the complete project lifecycle, including requirements gathering, solution architecture, proof of concepts (POCs), effort estimation, impact analysis, project planning, solution design, and test strategy, delivering key artifacts to PMO and business stakeholders.
- Led cross-functional teams in infrastructure planning, application deployment, database migration, and production support, ensuring seamless execution of large-scale transformation initiatives.
- Acted as the primary liaison between business, development, infrastructure, and vendor teams, managing stakeholder expectations, issue resolution, and project governance.
- Conducted system impact assessments, risk analysis, and mitigation planning to identify dependencies, reduce project risk, and ensure successful delivery.
- Facilitated executive reviews, status reporting, and stakeholder communications, ensuring clarity on project health and delivery outcomes.
Software Engineer
Cummins Inc (Manufacturing)
Chennai, India
03.2010 - 03.2014
- Developed enterprise applications for manufacturing, improving operational efficiency as a full stack developer.
- Designed and enhanced applications with Flex, Struts 1/2, Spring Framework, iBATIS, and web services to meet user needs.
- Ensured high-quality deliverables through unit testing, code reviews, defect resolution, and performance optimization.
- Optimized Oracle PL/SQL query performance using EXPLAIN PLAN and ADDM reports.
- Enhanced Oracle database components, improving performance and functionality through PL/SQL packages, stored procedures, functions, triggers, and complex SQL queries.
- Built and maintained test environments, including test data preparation and application validation.
Education
B.E. - Electrical & Electronics Engineering
M. Kumarasamy College of Engineering, Anna University
Karur, India06-2009
Skills
- Frameworks: Spring Boot, FastAPI, Flask
- Microservices expertise
- API management
- DevOps practices
- Cloud platforms: Google Cloud & AWS
- Containerization with Docker technology
- Performance optimization
- Programming languages: Java, Python, SQL
- Database systems: Oracle, PostgreSQL, MySQL
- Application servers: WebLogic & Tomcat
- Web technologies: HTML/CSS/JavaScript
Personal Information
Title: Technical Lead Integration Layer Cloud-Native Microservices/Spring boot services
Certification
PG Program in Artificial Intelligence & Machine Learning, Macomb University, Applied AI/ML concepts through hands-on projects in predictive analytics, data science, and intelligent automation., Developed machine learning models using Python, Scikit-learn, TensorFlow, and data visualization tools and Model deployment, IBM ILOG Certified Professional
Timeline
Technical Lead
AAA Insurance
12.2018 - Current
Software Engineer
Cummins Inc (Manufacturing)
03.2014 - 12.2018
Software Engineer
Cummins Inc (Manufacturing)
03.2010 - 03.2014
B.E. - Electrical & Electronics Engineering
M. Kumarasamy College of Engineering, Anna University