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Recruiter mode has the numbers behind these projects and a paste-a-JD fit score with a tailored PDF.
Recruiter modeOpen a connectionProjects 6 case studies 3 with live demos
Machines you can run.
Three systems, each with a working demo instead of a screenshot. The case studies walk through the architecture one decision at a time; the demo at the end is the real thing, running in your tab.
01DStarDBA Redis-compatible in-memory store in C++20: reactor event loop, worker pool, reader-writer concurrency. 13 % more throughput and 50 % lower latency than Redis under concurrent reads.▶ Live REPLCase study →02Real-Time Collaboration PlatformSeven Spring Boot services with one capability each. STOMP over WebSocket for signalling, WebRTC for media that never touches the servers, Eureka and a single public gateway.▶ Live roomCase study →03AI-Enhanced Multilingual Press Release GeneratorPIB press releases in, narrated multilingual videos out. Selenium, GPT, ten languages of TTS and MoviePy; production time down 45 %.▶ Live pipelineCase study →
earlier
Mobile, before the backend.
04College Attendance AppFlutter front end, Node.js back end on DigitalOcean. Web scraping for live attendance data, Firebase analytics and notifications, WorkManager for local reminders. 6,500+ downloads on Google Play.Case study →05Amazon Clone AppSearch, categories, cart and checkout with GPay and Apple Pay; an admin panel for products and sales. Flutter on a Node, Express and MongoDB back end.Case study →06WhatsApp Clone AppPhone-number auth, one-to-one and group chat, media types, status updates and video calling. Flutter, Firebase and Riverpod.Case study →
also
Shipped elsewhere.
liveThe control roomA live, breakable model of the systems I run: 24 services, real queues, real timeouts, seven replayable incidents.Enter →
MyRikWarehouse CCTV anomaly detection35 cameras across 8 warehouses. Flags tampering, repositioning, blur and disconnection; per-zone person counting for live occupancy.