Andrii M.

Senior Full Stack Developer | AI Automation | React, Next.js, Node.js

Senior Full Stack Developer | AI Automation | React, Next.js, Node.js | n8n I am a Senior Full Stack Developer and AI Automation Engineer specializing in building scalable, high-performance web applications, intelligent workflow automation, and production-ready AI-powered solutions using React, Next.js, Node.js, Python, n8n, and Make. I help businesses transform complex ideas into fast, reliable, and scalable products by combining modern full-stack development with AI-driven automation and seamless system integrations. My core strengths include modern frontend development with React and Next.js, robust backend systems with Node.js and Python, AI workflow automation, and seamless API integration. I have extensive experience designing and developing full-stack applications, AI-powered business automation, secure backend services, and scalable cloud architectures using PostgreSQL, Firebase, MySQL, and NoSQL databases. I have successfully delivered custom SaaS platforms, marketplaces, client portals, dashboards, internal business systems, and automation solutions for international clients. My work includes AI workflow automation with n8n and Make, AI agent development using OpenAI APIs, complex API integrations including Stripe, Twilio, and numerous third-party services, as well as scalable backend systems designed for long-term growth and performance. Beyond development, I focus on designing solutions that reduce manual work, automate repetitive business processes, improve operational efficiency, and create scalable software architectures that support future growth. My technical expertise includes: • Frontend: React, Next.js, Vue.js, JavaScript, HTML5, CSS3 • Backend: Node.js, Python, PHP, Laravel • AI & Automation: AI Agent Development, OpenAI API, n8n, Make, Workflow Automation • APIs & Integrations: REST APIs, Stripe, Twilio, third-party API integrations • Databases: PostgreSQL, MySQL, Firebase, NoSQL What you can expect from me: • Clean, maintainable, production-ready code • Strong expertise in full-stack architecture and scalable application development • AI automation solutions that streamline business operations and reduce manual work • Reliable communication and transparent project management • Long-term thinking with scalable, maintainable software architecture Whether you need a modern SaaS platform, a custom web application, AI-powered workflow automation, API integrations, or an intelligent business system, I can help you build a reliable, scalable solution from concept to production.