Denis Y.

I build AI-powered products that combine intelligent agents, workflow automation and scalable full-stack engineering. From AI applications to complete SaaS platforms, I help businesses turn complex ideas into production-ready software. I'm an AI Engineer and Full-Stack Developer specializing in AI Agent Development, AI Integration, Generative AI, AI Automation and SaaS Development. I work across system architecture, frontend and backend engineering, APIs, databases and cloud infrastructure. AI ENGINEERING & AUTOMATION - AI Agent Development: Custom AI agents, tool calling, API-connected workflows and automated task execution. - AI Integration: OpenAI API, Claude API, language models and AI-powered features for existing applications. - Generative AI: AI assistants, conversational interfaces and intelligent web applications. - AI Workflow Automation: Business process automation, data processing and multi-step workflows. - AI SaaS Development: AI-powered SaaS products, MVPs and intelligent features integrated into business systems. - AI Backend Engineering: Connecting AI models with APIs, databases and application logic. FULL-STACK DEVELOPMENT - Frontend: Next.js, React, TypeScript and JavaScript. - Backend: Node.js, Laravel, PHP, REST APIs, GraphQL and webhooks. - SaaS Development: Scalable web applications, dashboards, user management and business workflows. - Databases: PostgreSQL, MySQL, MongoDB and DynamoDB. - Cloud & DevOps: AWS, Google Cloud, Docker and deployment. - AI-Assisted Development: Claude Code and Codex for implementation, code analysis, refactoring and efficient development workflows. SELECTED PROJECT EXPERIENCE **AI Sports Management SaaS** Worked with a sports management platform used by 3,000+ organizations, featuring AI-powered workflows and agent capabilities integrated into business operations. **AI Video Monitoring & Computer Vision** Experience with an AI-powered platform for real-time video analysis, automated threat detection, alerts and monitoring across multiple cameras. ### WHAT I CAN BUILD - Custom AI agents and AI automation systems - AI-powered SaaS platforms and full-stack applications - Generative AI applications and AI assistants - AI integrations for existing SaaS products - API-connected business systems and intelligent workflows - Enterprise applications combining AI with established backend infrastructure I contribute from technical planning and system architecture through implementation, AI integration, testing and deployment. I focus on practical AI features, reliable systems and maintainable code. If you're building an AI product, developing custom agents, scaling a SaaS platform or integrating AI into an existing system, let's discuss your goals and the right approach to delivering it.