Full-Stack Java Developer @ Infosys
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.
Proven Results
Measurable impact I've delivered
API Latency Reduced
Redis caching strategy
Devices Powered
Geohash proximity engine
Accuracy Improvement
Location-based targeting
National Ranking
Debugging competition
40%
API Latency Reduced
1M+
Devices Powered
Geohash Engine
3+
Years Experience
4
Certifications
Java & AI
Portfolio PWA
Web App
Smart Farming Assistant
PWA
Audience Manager
Microservice
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 Architect
Memob Plus