krit

End-to-end full-stack web application development — from system architecture and database design to polished, responsive frontend. Specialized in building scalable SaaS products, admin dashboards, internal tools, and complex business systems. Tech Stack: TypeScript, Next.js/React, Node.js, Python (FastAPI/Django), Go, PostgreSQL, MongoDB, AWS/Docker. Clean code, secure authentication, payment integration, and production-ready delivery. Ideal for startups and businesses needing reliable, maintainable software.

Professional custom LINE Bot and LIFF application development with advanced features. Includes Rich Menus, Flex Messages, seamless third-party API integrations (CRM, ERP, Payment, Google Sheets, etc.), push notifications, user management, and e-commerce/order flow automation. Perfect for businesses in Thailand, Japan, or Taiwan looking to enhance customer engagement through LINE Official Account.

Fast, modern, and conversion-focused landing pages or brochure websites. Built with best practices for SEO, speed, and mobile responsiveness. Includes contact forms, analytics integration, basic backend (if needed), and easy content management. Perfect for startups, product launches, and businesses wanting a professional online presence in under 2 weeks.

Ongoing development and technical support on a monthly basis. Includes new feature development, bug fixes, system maintenance, performance monitoring, and minor enhancements. Approximately 30-40 hours per month. Ideal for businesses that need a dedicated senior full-stack developer without the cost and hassle of full-time hiring.