I provide full-stack web and SaaS development using React.js, Node.js and MySQL, covering frontend interfaces, backend APIs, database development, REST API integrations and application deployment. I can develop new business applications and SaaS products or enhance existing systems. I also have experience with React Native mobile applications, business automation, RPA, OCR and document-processing workflows. My focus is on practical, maintainable software tailored to specific business requirements, including custom functionality, third-party integrations and end-to-end application development.