Infrastructure and Platform

• Developed the backend of team collaboration mobile app TopiChat for iOS and Android platforms

• Implemented features in Java (Spring Boot, REST API) and JavaScript (Node.js, Express, Socket.IO)

• Built infrastructure using Cassandra (with Lucene plugin), Redis, Docker, Consul, and NGINX

• Developed two-factor authentication (2FA) feature using SMS, Email, and Push Notification services

• Implemented multi-party real-time Video Chat feature using Twilio API, WebRTC, and JWT

• Built a Survey system that generates PDF reports with pie and bar charts using PDFBox and XChart

• Developed a Read Receipt system for channel messages and topic posts with optimized time/space usage

• Implemented a Payment system integrated with other features using TransNational Payments API

See above

• Built a network monitoring/alerting system for the Worldwide LHC Computing Grid (WLCG) of CERN

• Implemented it to monitor latency, packet loss, throughput and traceroute, and email alerts to users

• Processed 5 billion perfSONAR logs with Elasticsearch/Python for a global network of 170 data centers

• Developed a minimal UI for user registration and preference settings using Google Forms/Sheets API

• Experimented with different anomaly detection methods such as using scikit-learn's one-class SVM model

• Launched the system and invited to give a talk at North American Throughput Meeting hosted by CERN