Battle-tested backend architectures, low-latency APIs, and AI integrations.
012026Adaptive English platform with speech assessment, placement testing and real-time pronunciation scoring.
Reduced Azure Speech synthesis costs by 35% via MD5-hashed Redis audio caching (<120ms latency).
Fixed false anti-cheat triggers and added session recovery, increasing onboarding completion by 78%.
022026Social book reading platform with Telegram Mini App auth, algorithmic discovery feed and live quotes.
60/40 followed-vs-new discovery feed with cursor pagination (<45ms response time).
4-route fallback proxy with 24h Redis cache holding 99.8% platform availability.
032026AI-driven educational assistance platform with automated homework grading and multi-turn student tutoring.
Dual-key failover gateway with tiered 30s/65s timeouts maintaining 99.9% uptime.
Real-time rate limiting, deduplication, and automated channel content enrichment.
042026Multiplayer typing duel engine with sub-50ms synchronization, anti-cheat validation and live lobbies.
Synchronised keystrokes and live progress under 30ms via SignalR Core and Redis Pub/Sub.
Server-side cadence validation preventing cheating, verified by 105+ xUnit tests.
05ACTIVEEvent-driven personal productivity tracking engine with offline synchronization and analytics.
Automated timer completion and distraction logging with Hangfire background jobs (100% data integrity).
Timezone-aware analytics comparing planned tasks against logged deep-work sessions.
