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Open for freelance projects Weekdays 6-9 AM & 6-9 PM • Weekends 9 AM-9 PM projects
Full-Stack Java Developer @ Infosys
I Ship 40% Faster APIs
I architect backend systems that companies rely on to move faster. From reducing API latency by 40% with Redis optimization to building geohash engines powering 1M+ devices—I don't just write code, I eliminate bottlenecks.
40% Faster APIs 🚀1M+ Devices Powered 📍Full-Stack Expert ☕
@ Infosys
2nd Place, National Debugging Competition
1M+ Devices Running My Algorithm
40% API Latency Reduction
Proven Results
Measurable impact I've delivered
40%
API Latency Reduced
Redis caching strategy
1M+
Devices Powered
Geohash proximity engine
15%
Accuracy Improvement
Location-based targeting
#2
National College
Debugging competition
Redis Caching
40%
API Latency Reduced
1M+
Devices Powered
Geohash Engine
Infosys
3+
Years Experience
4
Certifications
Java & AI
Recent ProjectsView All
Portfolio PWA
Web App
Live
Smart Farming Assistant
PWA
In Progress
Audience Manager
Microservice
Completed
What People Say
Feedback from colleagues and collaborators
"Alagappan's proximity hash algorithm improved our targeting accuracy by 15%. His attention to performance is exceptional."
Tech Lead
Memob Plus
"He reduced our API response time from 200ms to 60ms. The Redis caching strategy he implemented was game-changing."
Senior Software Engineer
Memob Plus