Ihor Z.

🚀 Experienced Ruby on Rails developer 🚀 | 🏎️💛 Yellow Miata driver 💛 If you’re looking for a Ruby on Rails developer who understands AI Saas development, a full stack developer Saas who sees the entire system — let’s talk. I’m a Ruby on Rails developer with strong product thinking who helps startups and growing companies build reliable, scalable, and maintainable platforms. My background includes building modern web app platforms and scalable web application systems with custom web design, software architecture, design, & scalable API integration practices. As a Ruby on Rails developer and software developer, I work closely with founders, product teams to turn business requirements into stable solutions. I have extensive experience as an AI Saas developer, focusing not only on backend implementation but also on growth, retention. As a web app developer, I design systems around real workflows, combining strong web app design and performance using JavaScript, CSS, HTML5, Bootstrap, and TypeScript. I also collaborated with web application designer and web designer on multiple projects. 🧠 Deep product-focused experience With over 9 years of experience as a Ruby developer, I’ve worked on everything from MVPs to high-traffic systems. I’ve contributed to multiple products as a SaaS developer, including saas web design, saas documentation, progressive web application, chatbot Saas solutions and platforms powered by ruby on rails openai. My work often involves building scalable web application development systems with strong architecture, RESTAPI, API development, and Database architecture. I’ve also worked on frontend integrations as part of Ruby on Rails React stacks, ensuring smooth UX and consistent web design across products. As a full stack ai saas developer, I bridge frontend, backend, and infrastructure to deliver complete solutions, including saas mobile app integrations where needed using React Native, Next.js, Vue.js, Angular, and Node.js. ⚙️ What I do as a Ruby on Rails developer Ruby on Rails application development or progressive web app from MVP to scale SaaS platform architecture & ui ux web app system design Custom backend logic and API development (REST & GraphQL) Background jobs, queues, and async processing Cloud deployments, CI/CD pipelines, and automation third-party integrations and advanced workflows Beyond traditional SaaS platforms, I’ve worked on ecommerce systems and custom solutions as a web developer, including Shopify integrations. I’ve also built AI-powered features as part of AI Saas platforms, acting as a full stack saas developer ai agents to deliver intelligent automation, AI Agent Development, Large Language Model integrations, Retrieval Augmented Generation, Vector Database, machine learning, and LLM Prompt Engineering. I also collaborate with teams as a saas designer, contributing to product structure and usability, and can support product presentation through saas demo video creation when needed. As a Saas developer, I also support scalable product development and long-term platform growth, including saas marketing strategies. ✅ What you get working with a Web Application developer like me As a SaaS developer, I focus on long-term product success. As a web application developer, I deliver solutions aligned with real business needs and support developing the application and optimizing performance. As a Web application developer, I focus on maintainable architecture and reliable production systems. 🔹 Proven real-world impact I helped scale a startup product to nearly 1,000,000 users, shaping my approach to performance and reliability. I’ve also worked on systems requiring high data integrity and integrations across multiple services using PostgreSQL, Redis, MySQL, SQL, Firebase, Heroku, Amazon web services, and DevOps. 🏆 9+ years as a Ruby on Rails Developer with 150+ software products delivered 🚀 I delivered 28+ platforms built & scaled as a SaaS Developer 💻 As a Web Application Developer I helped scale a startup product to nearly 1,000,000 users, shaping my approach to performance and reliability. ⭐️ I’m a Top Rated web application developer with 100% Job success score and 5-star reviews only for web application development and web application design 💰 $15K+ earned on Upwork and 5,000+ hours worked on different projects as a Full stack developer 🤖 16+ AI Products Delivered | Agents, RAG & Automation Systems 🔗 110+ Integrations built | Stripe, Shopify, OpenAI, Twilio & more as a React developer 🌍 Clients across 9+ countries Experienced as a Rails Hotwire, Ruby on Rails architect, Senior Ruby on Rails Developer, senior Rails Developer, Ruby on Rails engineer, Full-stack web developer, senior full-stack Ruby on Rails engineer and web application developer with a strong background in Ruby on Rails Postgresql. As a Web application developer, I also focus on scalable web solutions & production-ready systems, including blockchain developer experience.