Sergey Y.

AI-Powered Full Stack Developer | NestJS, React, Node.js, Python, n8n

I’m a Full Stack Developer with 4+ years of experience building AI-driven, modern, and scalable web applications. My expertise lies in combining artificial intelligence, automation, and robust full-stack development to deliver smart, efficient, and production-ready solutions. 🤖 AI & Automation Expertise: AI integration using OpenAI API, LangChain, and custom model pipelines Workflow automation with n8n, Python scripts, and API orchestration Intelligent chatbots, AI assistants, and content automation tools AI-driven data analysis and decision-support systems 💻 Full Stack Development: Backend: NestJS, Node.js, Express.js, Python (FastAPI, automation scripts) Frontend: React, Next.js, Redux (RTK Query), Material UI, CSS Modules Databases: PostgreSQL, MongoDB, Prisma ORM, Mongoose Architecture: REST API, CQRS, JWT, OAuth2 DevOps: Docker, GitHub Actions, Linux (Ubuntu), CI/CD pipelines ✅ What I do best: Integrate AI models into real business workflows Build scalable APIs and microservices Create responsive and high-performance front-end interfaces Automate complex tasks and optimize business operations Maintain clean architecture, documentation, and DevOps processes 🎯 My focus: Delivering real value through AI-powered automation and high-quality software engineering. I’m passionate about building modern, intelligent systems that improve performance, productivity, and user experience. Let’s build something smarter together! 🚀