KARTHIKEYAN AYYASAMY
Canton
Summary
Dynamic Software Engineer with over 18 years of experience in DevOps, Cloud Infrastructure, Full-Stack Development, and Enterprise Middleware Administration. Expertise in DevSecOps, specializing in the creation of automated CI/CD pipelines using Tekton, Cloud Build, and Jenkins for seamless microservices deployment across GCP Cloud Run, GKE, OpenShift, and PCF. Proven Full-Stack Developer skilled in designing RESTful APIs and microservices with Java Spring Boot and Python to enhance business automation. As a Certified Cloud Specialist (GCP Digital Leader & AWS Associate Cloud Engineer), consistently architecting scalable infrastructure using Terraform (IaC) while driving efficiency by minimizing security vulnerabilities and optimizing deployment cycles through automation.
Overview
19
19
years of professional experience
1
1
Certification
Work History
Software Engineer
Systems Technology Group (STG)
Dearborn, MI
01.2021 - Current
- GCP Project Provisioning Solution: Architected and deployed a Python-based self-service provisioning solution that automated the creation of GCP Projects, IAM roles, and IaC pipelines, reducing application team onboarding time from 2-3 days to under 40 minutes.
- CI/CD Pipelines: Engineered enterprise-grade CI/CD pipelines using Tekton and Google Cloud Build, integrating a full DevSecOps stack (SonarQube, Checkmark, 42Crunch, Cycode) to enable secure Blue-Green deployments on GCP Cloud Run and OpenShift using cloud build Pipelines and helm charts.
- Security Hardening: Standardized organizational security by developing Docker "Golden Images" compliant with Ford Cybersecurity standards, resulting in a 50-70% reduction in production vulnerabilities.
- Full Stack Development: Developed a suite of full-stack developer productivity tools using Java Spring Boot, Python, and React/TypeScript, streamlining internal workflows and improving cross-functional team efficiency.
- Infrastructure Automation: Automated multi-service cloud infrastructure (Cloud Run, Cloud Storage, PostgreSQL, Artifact Registry, Pub/Sub) using Terraform (IaC) and GitOps principles, ensuring 100% environment consistency and accelerating deployment velocity.
- Streamlined the GCP adoption lifecycle by automating pre-requisite onboarding for IAC pipelines, removing manual bottlenecks and enabling seamless project scaling for application teams.
- Centralized DocHub: Launched a centralized Documentation Hub for Ford Credit using MkDocs, Nginx, and Helm, hosted on OpenShift and Google Cloud Storage to centralize technical knowledge and improve developer experience (DevX).
Software Developer (WebLogic Administrator)
Systems Technology Group (STG)
Dearborn, MI
08.2017 - 01.2021
- Middleware Administration: Managed and supported 100+ Java applications across WebLogic (11g/12c), WebSphere (ND 8.5), and Apache/IHS servers in production environments.
- Performance Tuning & Optimization: Monitored system health and implemented tuning strategies for JVMs, clusters, and managed servers to ensure high availability.
- Enterprise Integration: Configured and supported enterprise integrations using JMS queues/topics and JDBC connections for seamless data flow.
- Infrastructure Automation: Developed custom scripts to automate administrative tasks, including server lifecycle management and automated application deployments.
- Security & Identity Management: Administered users and roles within WebLogic using LDAP and Active Directory security providers.
- Disaster Recovery & Troubleshooting: Led root cause analysis (RCA) for complex issues and provided critical support during disaster recovery scenarios involving middleware and Oracle databases.
Application Tech Specialist - AT&T Production Support
Tech Mahindra Americas
Richardson, TX
02.2013 - 08.2017
- Enterprise Migration: Led the migration of 100+ mission-critical applications from WebLogic 10g to 12c, ensuring zero downtime for high-volume environments.
- Middleware Management: Managed 100+ Java applications across WebLogic, WebSphere, and JBoss, configuring JMS queues, JDBC connections, and SSL/LDAP security.
- Network Modernization: Successfully implemented IPv6 across 50+ WebLogic/IBM HTTP servers and managed F5/Brocade load balancer configurations.
- Production Reliability: Provided 24/7 support for AT&T applications across Active-Passive data centers; utilized Splunk and Wily Introscope for rapid root-cause analysis (RCA).
Junior Technical Associate | Senior Technical Associate
Tech Mahindra Ltd
Pune, India
06.2007 - 02.2013
- Subject Matter Expertise: Served as the lead SME for the LS-OMS application, mentoring teams and resolving complex technical roadblocks in the Order Management System.
- Test Strategy: Led end-to-end testing lifecycles, developing comprehensive test plans and Requirements Traceability Matrices (RTM).
- Testing: Executed a mix of Manual and Automation testing strategies, managing the full defect lifecycle within HP Quality Center (ALM).
Education
Master of Science - Software Engineering
Birla Institute of Technology & Science,
Pilani, Rajasthan, India01-2012
Bachelor of Science - Computer Technology
Dr. Mahalingam College of Engineering And Technology
Anna University, Coimbatore, Tamil Nadu, India06-2007
Skills
- Cloud & Platforms: Google Cloud Platform, AWS, OpenShift (Kubernetes), Pivotal Cloud Foundry (PCF)
- Infrastructure as Code (IaC): Terraform, Shell Scripting (Bash), WLST
- DevOps & CI/CD: Tekton (Pipeline as Code), Google Cloud Build, GitHub Actions, Jenkins, Helm Charts, Kustomize, GitOps (ArgoCD)
- Security & Networking: SonarQube, Checkmark, 42Crunch, Cycode, Fossa
- Containerization: Docker, Podman, Jib, Google Artifact Registry
- Languages & Frameworks: Java (Spring Boot), Python (Flask/FastAPI), React, TypeScript, Thymeleaf, HTML5/CSS3
- Middleware & Servers: Oracle WebLogic (11g/12c), IBM WebSphere (ND 85), Tomcat, Apache/IHS, Nginx, JBoss EAP, Openet Fusion Middleware
- Monitoring & Observability: Dynatrace, Splunk, Grafana, Prometheus, Introscope
Certification
- Google Cloud Digital Leader
- AWS Associate Cloud Engineer
Accomplishments
● Ford Credit Global Innovation : DocHub Initiative - Feb 2025
● Q3 2024 Quarterly Team Recognition Winners, Ford Credit : Golden Images - Nov 2024
● Q2 2023 Quarterly Team Recognition Winners, Ford Credit : Pipeline as Service Sep 2023
● Culture All Stars Award, Ford Credit : WebLogic Migration - Sep 2018
● Associate Consistently Excel (ACE Award), Tech Mahindra Americas INC - Aug 2016
● Associate Consistently Excel (ACE Award), Tech Mahindra Americas INC - Aug 2015
Timeline
Software Engineer
Systems Technology Group (STG)
01.2021 - Current
Software Developer (WebLogic Administrator)
Systems Technology Group (STG)
08.2017 - 01.2021
Application Tech Specialist - AT&T Production Support
Tech Mahindra Americas
02.2013 - 08.2017
Junior Technical Associate | Senior Technical Associate
Tech Mahindra Ltd
06.2007 - 02.2013
Master of Science - Software Engineering
Birla Institute of Technology & Science,
Bachelor of Science - Computer Technology
Dr. Mahalingam College of Engineering And Technology