Selected Works
A collection of scalable systems and digital products.
Job Matching Platform
High-concurrency hiring system matching 10k+ candidates efficiently.
Legacy system crashed under 500 concurrent requests during hiring fairs.
Re-engineered microservices with Go, gRPC, and optimized Postgres queries.
Reduced latency by 40% and achieved 99.99% uptime during peak load.
Event Management Engine
Real-time ticketing engine handling massive traffic spikes.
Ticket overselling and database locks during high-demand artist releases.
Implemented Node.js event loops, Redis queues for buffering, and AWS Lambda.
Zero downtime and 100% accurate ticket allocation for 50k+ concurrent users.
Telegram Crypto Wallet
Seamless crypto wallet integration directly within Telegram UI.
Users finding external wallet apps too complex and disconnected from chats.
Built TWA (Telegram Web App) with React and Python backend interacting with TON SDK.
Reached 5k Daily Active Users in the first month with 4.8/5 user rating.
Distributed Caching Layer
Custom in-memory key-value store optimized for read-heavy workloads.
Off-the-shelf solutions had too much overhead for specific micro-services.
Designed a custom sharding algorithm using Rust and Tokio for async I/O.
Achieved sub-millisecond response times for 95th percentile of requests.