class SeniorSoftwareEngineer {
constructor() {
this.name = "Saravanan Kalimuthu";
this.role = "Senior Software Engineer @ PayPal";
this.experience = "8+ years in Java development";
this.location = "🇮🇳 India";
this.contactMe = "[email protected]";
}
get skills() {
return {
backend: [
"Java", "Spring Boot", "Spring Security", "Spring REST",
"JAX-RS", "SOAP", "WebSockets", "Hibernate/JPA", "Maven", "Gradle"
],
frontend: [
"Node.js", "Vue.js", "React.js", "HTML5/CSS3", "Vuex", "Redux"
],
databases: ["Oracle", "PostgreSQL", "H2", "Redis", "BigQuery", "BigTable"],
devOps: [
"Jenkins", "GitHub Actions", "Docker", "Google Cloud", "AWS",
"Otel", "Micrometer", "Splunk", "Datadog"
],
testing: ["JUnit", "Mockito", "Jest", "Cypress"],
tools: ["Git", "JIRA", "Confluence", "AMQ/Kafka", "OAuth2", "JWT", "SonarQube"]
};
}
get currentRole() {
return {
company: "PayPal",
position: "Senior Software Engineer",
duration: "May 2021 - Present",
impact: [
"Webhooks solution → adopted by 10% of merchants",
"Near-real-time analytics → 0.01% revenue increase",
"API performance optimization → 1.5x faster response",
"Spam reduction → below 2%",
"95% on-time delivery rate",
"70% code coverage with JUnit 5",
"Scrum Master → 90% Say-Do ratio"
]
};
}
get openSourceContributions() {
return {
"utils-commons": "Java utilities (Apache Commons inspired)",
"port-advancer": "Network tool used by 60+ employees",
"vue-embed-gist": "270+ weekly downloads on NPM"
};
}
get expertise() {
return [
"Scalable Enterprise Applications",
"Microservices & Event-Driven Architecture",
"SOLID Principles & Design Patterns",
"Performance Optimization & Caching",
"Test-Driven Development",
"Database Optimization"
];
}
get summary() {
return "Results-oriented engineer with 8+ years building scalable enterprise apps. Proven track record of delivering measurable business impact through technical excellence and innovation.";
}
}
const saravanan = new SeniorSoftwareEngineer();
console.log(saravanan.currentRole.company); // "PayPal"|
Java |
Spring |
JavaScript |
TypeScript |
Vue.js |
Docker |
Kubernetes |
AWS |
|
PostgreSQL |
MongoDB |
Redis |
GitHub |
GitLab |
Node.js |
Go |
Python |
|
Nginx |
Kafka |
Jenkins |
Actions |
Grafana |
Prometheus |
GCP |
Terraform |
|
React |
HTML5 |
CSS3 |
Sass |
Tailwind |
VS Code |
IntelliJ |
GraphQL |
gantt
title 🚀 Career & Skills Evolution Timeline
dateFormat YYYY-MM
section Career Path
CoreNett Technologies :done, 2016-06, 2017-12
Wellspring Software Labs :done, 2018-02, 2019-09
Assetpulse Inc :done, 2019-10, 2021-05
PayPal (Sr Engineer) :active, 2021-05, 2025-10
section Education
BCA - Gurunanak College :done, 2011-01, 2014-12
MCA - University of Madras :done, 2016-01, 2019-12
section Technical Growth
Java & Spring Ecosystem :done, 2016-06, 2025-10
Cloud & DevOps (GCP/AWS) :done, 2019-10, 2025-10
Microservices & APIs :active, 2020-01, 2025-10
Performance Optimization :active, 2021-05, 2025-10
@@ PayPal Achievements (2021-Present) @@
+ 💳 Webhooks Solution → 10% Merchant Adoption Rate
+ 📊 Real-Time Analytics → 0.01% Revenue Growth
+ ⚡ API Performance → 1.5x Speed Improvement
+ 🛡️ Spam Reduction → Below 2% Success
+ 🎯 Delivery Excellence → 95% On-Time Completion
+ ✅ Code Quality → 70% Coverage with JUnit 5
+ 👥 Scrum Master → 90% Say-Do Ratio
@@ Prior Experience Highlights @@
+ 🔄 Legacy Modernization → 2% Engagement Boost (Assetpulse)
+ 💰 BLE vs RFID → 33% Cost Savings (Assetpulse)
+ 🚀 WebSocket Enhancement → 5% Conversion Rate (Assetpulse)
+ 📦 68% Code Coverage Achievement (Assetpulse)
+ ⚡ Response Time → 1200ms to 700ms (Wellspring)
+ 📊 Stakeholder Alignment → 25% Faster (Wellspring)
+ 📈 Report Performance → 30% Improvement (CoreNett)
+ 🔧 RTB Reduction → 10% via Config Systems (CoreNett)
@@ Open Source & Education @@
+ 🌟 8+ Years Java Development Expertise
+ 📦 Utils-Commons → Apache Commons Inspired
+ 🔧 Port-Advancer → Used by 60+ Employees
+ 🎨 vue-embed-gist → 270+ Weekly NPM Downloads
+ 🎓 MCA → University of Madras (2016-2019)
+ 🎓 BCA → Gurunanak College (2011-2014)Backend Development ████████████████████ 100%
System Architecture ██████████████████░░ 90%
Cloud & DevOps ██████████████████░░ 90%
Microservices █████████████████░░░ 85%
Frontend Development ████████████████░░░░ 80%
Database Design ████████████████░░░░ 80%
Docker & Kubernetes ███████████████░░░░░ 75%
System Design ███████████████░░░░░ 75%
|
Collaboration Exciting Projects |
Open Source Contributing |
Discussions Tech & Ideas |
Mentorship Knowledge Sharing |
Backend Engineering • System Architecture • Cloud Native • DevOps • Microservices • Clean Code
If you find my work interesting, consider:
- ⭐ Starring my repositories
- 👀 Following me for updates
- 🤝 Contributing to my projects
- 💬 Connecting with me
"First, solve the problem. Then, write the code." - John Johnson
"Code is like humor. When you have to explain it, it's bad." - Cory House
✨ Thanks for visiting! Let's build something amazing together! 🚀