I build backend systems with a focus on concurrency, reliability, performance, and distributed systems.

LeetCode Guardian  ·  CodeForces Candidate Master

• Distributed systems and fault-tolerant services
• Concurrency, consistency, and synchronization
• Caching, rate limiting, messaging, and storage
• API and service design
• Performance and reliability

Redis-backed rate limiter designed for concurrent, distributed workloads.

• Token Bucket, Sliding Window Log, and Sliding Window Counter
• Redis + Lua for atomic state transitions
• FastAPI middleware integration
• Focused on concurrency correctness and race-condition prevention

A distributed key-value store built to explore the fundamentals behind reliable distributed storage.

• Raft-style consensus
• Leader election and log replication
• Replicated state
• Failure handling and consistency

Languages

Python C++ SQL

Backend & Infrastructure

FastAPI Redis Kafka Docker Linux

Data

PostgreSQL MySQL

Distributed Systems
        ↓
Concurrency & Consistency
        ↓
Fault Tolerance & Reliability
        ↓
Performance & Scalability

I like taking systems apart, understanding their failure modes, and building them back into working software.