builds production systems that handle real traffic, real money, and real users. We work across distributed backends, high-performance APIs, real-time data pipelines, and modern web and mobile frontends. We've delivered platforms in FinTech, Blockchain, AI, and Algorithmic Trading, where correctness, latency, and uptime aren't negotiable. ⭐ TECHNICAL STACK ★. Backend Node.js / NestJS, Python / FastAPI, Go, PostgreSQL, MongoDB, Redis, Kafka, RabbitMQ ★. Frontend React, Three.js, Next.js, TypeScript, Tailwind CSS, Vue ★. Mobile React Native, Flutter, Kotlin ★. Artificial Intelligence LLM integration (OpenAI, Anthropic), RAG pipelines, vector databases, PyTorch ★. Trading Systems Market-data ingestion, backtesting engines, exchange/broker APIs (Binance, IBKR, FIX) ★. Infrastructure Docker, Kubernetes, AWS / GCP / Azure, CI/CD, Terraform, Prometheus + Grafana, Odoo, ThingsBoard ★. Blockchain Solidity, ethers.js / web3.js, smart contract integration Let's contact in your free time.