10+ years building reliable web apps and automations that save teams time. Passionate about open source, privacy-first tools, and crafting developer experiences that spark joy.
class SeniorSoftwareEngineer {
constructor() {
this.name = "Saravanan Kalimuthu";
this.role = "Senior Software Engineer @ PayPal";
this.location = "🇮🇳 Chennai, India";
this.contact = "[email protected]";
}
get skills() {
return {
backend: ["Java", "Spring Boot", "Python", "FastAPI", "Elixir", "Phoenix", "Kafka"],
frontend: ["React", "Vue.js", "TypeScript", "LiveView", "Electron", "Node.js"],
ai_ml: ["OpenAI CLIP", "PyTorch", "InsightFace", "Tesseract OCR", "MCP"],
databases: ["PostgreSQL", "SQLite", "Oracle", "Redis", "BigQuery"],
devOps: ["Docker", "Kubernetes", "GCP", "AWS", "GitHub Actions", "Datadog"]
};
}
get currentRole() {
return {
company: "PayPal",
position: "Senior Software Engineer",
focus: "Merchant-facing Webhook & Analytics Systems",
impact: [
"Webhooks adopted by 10% of merchants",
"+0.01% revenue impact via real-time analytics",
"Reduced spam to below 2%",
"1.5x faster API response optimization"
]
};
}
get openSourceActivity() {
return {
created: [
"Ideal Goggles (Privacy-first AI photo search)",
"Port Advancer (Secure networking tool)"
],
contributed: [
"Mydia (Media management platform)",
"Skill Seekers (AI/MCP documentation tool)"
]
};
}
}
const saravanan = new SeniorSoftwareEngineer();
console.log(saravanan.currentRole.company); // "PayPal"|
Java |
Spring |
Python |
FastAPI |
Elixir |
Kafka |
Docker |
K8s |
|
GCP |
AWS |
Postgres |
Redis |
Jenkins |
Actions |
Grafana |
Terraform |
|
React |
Vue.js |
TypeScript |
LiveView |
Electron |
PyTorch |
SQLite |
Node.js |
|
React + Python + Electron Privacy-first photo search powered by AI. Runs 100% locally. Features natural language search, face recognition, and OCR for 100K+ photo libraries. |
Node.js CLI Secure port forwarding tool for restricted corporate networks. Used daily by 60+ employees to securely access internet resources. |
|
Elixir + Phoenix LiveView Contributed to this modern, self-hosted media management platform. Worked on unified movies & TV tracking features. |
Python + AI/MCP Contributed to the MCP Server integration for this tool that converts documentation websites into Claude AI skills. |
gantt
title 🚀 Career & Skills Evolution Timeline
dateFormat YYYY-MM
section Career Path
CoreNett Technologies :done, 2016-01, 2017-12
Wellspring Software Labs :done, 2018-01, 2019-05
Assetpulse Inc :done, 2019-06, 2021-04
PayPal (Sr Engineer) :active, 2021-05, 2025-10
section Technical Growth
Java & Spring Ecosystem :done, 2016-01, 2025-10
Cloud & DevOps (GCP/AWS) :done, 2019-06, 2025-10
Microservices & APIs :active, 2020-01, 2025-10
AI & Python (FastAPI) :active, 2023-01, 2025-10
Elixir & Phoenix :active, 2024-01, 2025-10
@@ PayPal Achievements (2021-Present) @@
+ 💳 Webhooks Solution → 10% Merchant Adoption Rate
+ 📊 Real-Time Analytics → +0.01% Revenue Impact
+ ⚡ API Performance → 1.5x Speed Improvement
+ 🛡️ Spam Reduction → Below 2%
+ 🎯 Delivery Excellence → 95% On-Time Completion
+ ✅ Code Quality → 70% Coverage with JUnit 5
+ 👥 Scrum Master → 90% Say-Do Ratio
@@ Assetpulse & Previous Highlights @@
+ 🔄 Legacy Modernization → +2% User Engagement (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)
+ 🔧 RTB Reduction → 10% via Config Systems (CoreNett)
@@ Open Source & Community @@
+ 🔍 Ideal Goggles → Creator: Privacy-first AI Photo Search
+ 📺 Mydia → Contributor: Unified Media Management
+ 🔧 Port Advancer → Creator: Corporate Networking Tool
+ 🎨 vue-embed-gist → Contributor: 270+ Weekly Downloads
+ 🧠 Skill Seekers → Contributor: MCP Integration|
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! 🚀