Genadiy R.
Senior Full-Stack Engineer | AI, Automation & API Integrations
I help businesses automate their workflows, connect different systems into one ecosystem, and build custom software that saves time. I'm a Senior Full-Stack Developer with 30+ years of software development experience, specializing in web applications, AI integrations, business automation, APIs, and custom internal systems. Whether you need a web platform, a mobile app, an AI-powered assistant, or complex integrations between multiple services, I build solutions that are scalable and designed for long-term growth. A lot of my work also focuses on building practical solutions using APIs, Google Sheets, and AI tools. What I build: Full-stack web applications Business automation platforms Automating business workflows AI-based tools (ChatGPT, OpenAI, Whisper, AI Agents, etc.) API integrations for connecting APIs between different platforms SaaS products, web applications, and backend systems CRM & ERP integrations Internal business systems and admin panels Admin dashboards, reporting & analytics systems Mobile applications (Flutter, AppSheets) Google Workspace & Google Sheets automation E-commerce integrations Frontend: React, Next.js, JavaScript, TypeScript, HTML, CSS Backend: Node.js, Python, PHP, Google Apps Script Databases: MySQL, PostgreSQL, SQL Server, MongoDB, Firebase Cloud & APIs: REST APIs, GraphQL, OAuth, Webhooks, Google Cloud, AWS AI: OpenAI API, ChatGPT integrations, AI assistants, LLM-based workflows, speech-to-text solutions (Whisper) I've built integrations with platforms including: Shopify ā¢ Stripe ā¢ QuickBooks ā¢ HubSpot ā¢ Salesforce ā¢ GoHighLevel ā¢ Zoho ā¢ Twilio ā¢ Meta/Facebook ā¢ Google Workspace ā¢ Trello ā¢ Pipedrive ā¢ Mailchimp ā¢ Telegram ā¢ WhatsApp ā¢ Airtable ā¢ Notion ā¢ and many others. I prefer simple, safe solutions that solve real business problems. In most cases, I choose custom development over no-code tools because it gives more flexibility and long-term stability. I'm available for both short-term projects and long-term partnerships involving: ā¢ Full-stack web development ā¢ Business process automation ā¢ AI implementation ā¢ API integrations ā¢ SaaS development ā¢ Mobile applications ā¢ System architecture ā¢ Internal business platforms