Production-grade systems demonstrating expertise in backend architecture, AI orchestration, and automated infrastructure
Python • asyncio • Multi-AI Orchestration • MySQL • Docker
High-availability production platform serving 500+ users. Features 4-layer AI failover routing, automated recurring billing, and custom application-level DDoS protection.
FastAPI • React • PostgreSQL • First-Party Analytics
Stateful narrative engine with complex branching logic. Implements custom first-party analytics pipeline for granular engagement tracking with 100% data ownership.
FastAPI • Hybrid Server/Serverless • PostgreSQL • Vue.js 3
Distributed EdTech architecture reducing operational costs by 40% through intelligent AI provider routing across OpenAI, Gemini, and Anthropic.
Python • SQLAlchemy • Transaction Safety • state management
Automated scheduling infrastructure eliminating race conditions via database-level conflict detection and ACID transaction handling.
Python • aiogram 3 • PostgreSQL • AI Evaluation Loops
Educational system for prompt engineering. Features automated quiz grading via LLM loops, generation quotas, and modular async architecture.
FastAPI • React • PostgreSQL • Unified Payments
E-commerce architecture with a polymorphic product system and unified payment adapter supporting complex installment logic.
All systems are architected for 24/7 reliability, featuring structured logging, automated failover, and robust error recovery.
Expertise in multi-model orchestration, intelligent routing, and cost optimization for high-volume AI workloads.
Complex relational designs with focus on ACID compliance, transaction safety, and optimized data flows.
Containerized and hybrid architectures (Server/Serverless) built for efficient scaling and maintenance.