Oleksandr G.

Looking for a Full Stack Developer AI SaaS Developer with great expertise in Custom AI CRM & ERP Systems, Python, React, Supabase and the OpenAI API? I'm a Top Rated developer with 100% Job Success, 25+ Upwork jobs and 1000+ hours, helping companies replace spreadsheets and scattered tools with one business system. ⭐️⭐️⭐️⭐️⭐️ "Hiring Ruslan was pivotal for our business" — that's what my last client told me. Check it out in my profile reviews. 🎯 My experience as a Full Stack Developer AI SaaS Developer: ✔️ As a Full Stack Developer AI SaaS Developer, I own the database, backend, frontend, APIs, admin panels, dashboards and deployment. Python Full Stack Developer, Full Stack Developer React, Full Stack Developer Supabase and Full Stack Web Developer on PostgreSQL. ✔️ As a Full Stack Developer AI SaaS Developer, I start with your business process, then design the data model, roles, integrations and AI features before writing a single line of code. ✔️ Custom AI CRM & ERP Systems: as a Full Stack Developer CRM specialist, I build lead management, sales pipelines, client portals, automated follow-ups, documents, roles and reporting. ✔️ ERP development: orders, inventory, production, suppliers, staff, scheduling, billing and approvals in one place, instead of an expensive license that doesn't fit your process. ✔️ As an Open AI Developer and Agentic AI Developer, I add AI agents, document and image processing, proposal generation and lead qualification with the OpenAI and Claude APIs. ✔️ AI Developer LangChain pipelines, AI Developers RAG knowledge bases, AI Developer Zapier flows and Full Stack Developer LLM features inside the systems you already run. ✔️ Fast MVPs: Bubble Developer AI, Bolt AI Developer, Airtable Developer and Full Stack Developer Webflow builds. App Developer with AI for web and mobile products. ✔️ Full Stack AI SaaS Developer for Full Stack Developer SaaS products, Full Stack Developer Marketplace platforms, Full Stack Developer Ecommerce, Full Stack Developer Fintech dashboards and Full Stack Developer Healthcare tools. ✔️ Integrations with your stack: Python Full Stack Developer Flask or Python Full Stack Developer Django backends, .NET Full Stack Developer or Full Stack Developer Laravel codebases, Full Stack Developer Shopify stores, Full Stack Developer Twilio SMS and calls. ✔️ Mobile team with an Android Developer with Kotlin expertise or a Kotlin Developer with experience in Firebase Authentication and Room Database? I build the backend and CRM their app connects to. 📊 My Achievements in Numbers: 🔶 Full Stack Developer AI SaaS Developer for a Fashion Studio ERP: ▪ 1 system from garment feed to photo retouching ▪ 3 AI modules: AI retouching, AI dashboard, AI agent 🔶 Custom AI CRM & ERP Systems for a Real Estate Agency: ▪ 5 stages in 1 CRM: leads, listings, viewings, deals, documents ▪ AI lead qualification on every new lead 🔶 Hostel Management System: ▪ 4 areas in 1 place: bookings, rooms, staff, payments ▪ Airbnb Developer logic for booking flows 🔶 B2B Travel Operations System: ▪ AI proposal generation: from hours to minutes per proposal 🔶 Catering Operations: ▪ 1 custom ERP with AI implementation and process automation Why should you hire me as a Full Stack Developer AI SaaS Developer? ▪ Top Rated, 100% Job Success ▪ 25+ Upwork jobs and 1000+ hours delivered ▪ 6+ industries: real estate, fashion, hospitality, catering, travel, logistics ▪ Custom AI CRM & ERP Systems built around your real workflow, not a template ▪ 1 developer for database, backend, frontend and AI ▪ Weekly updates you can test every week ▪ First working version early, then short releases until production ▪ AI that your team uses every day, not demos ▪ Airtable Expert fluent English: clear, fast communication ▪ Taking over and stabilizing unfinished projects from other developers What clients hire me for: ▪ Custom AI CRM & ERP Systems from scratch ▪ AI integration into an existing CRM, ERP or web app ▪ Internal tools, admin panels and management dashboards ▪ Replacing spreadsheets with software ▪ API integration between CRM, ERP, payments and email ▪ Modernizing a legacy system ▪ AI agents, RAG search and dashboards added to tools your team already uses How I work: 1️⃣ Understand your business process 2️⃣ Design the database and architecture 3️⃣ Build in weekly iterations you can test 4️⃣ Launch, train your team and support after release Tech: JavaScript, Python, React, Supabase, PostgreSQL, REST APIs, OpenAI API, Claude API, Bubble, webhooks, role-based access, reporting dashboards. Full Stack Developer | AI Developer | CRM Developer | ERP Developer | SaaS Developer | Custom AI CRM & ERP Systems You will get a Full Stack Developer AI SaaS Developer who builds Custom AI CRM & ERP Systems around how your business works! Let's connect! ☎️