Kridsada Inthason
Senior Full Stack Developer
Senior Full Stack Developer with 4+ years of building production-grade web applications and enterprise architectures. Expert in Java (Spring Boot), Node.js (NestJS), Go, and Cloud Infrastructure (AWS/Azure). Experienced in bulk queue processing, database design, and open-source packages. Available for freelance projects and system development.
Kridsada Inthason (Senior Full Stack Developer)
"backend": ["Java (Spring Boot)", "Go", "Node.js (NestJS)"],
"database": ["PostgreSQL", "Oracle DB", "Redis", "MS SQL"],
"queues": ["BullMQ", "Kafka", "Socket.io"],
"cloud": ["AWS", "Azure", "Docker", "CI/CD"]
Tech Stack
The tools and technologies I use to bring ideas to life
Featured Projects
A comprehensive showcase of enterprise solutions, web products, and open-source packages
Enterprise Solutions
Enterprise-grade backend architectures, database migrations, high-performance API gateways, and cloud infrastructure.
Products & Tools
Full-stack applications, interactive UI components, SaaS ideas, and client-side applications.
Open Source & NPM Packages
Published TypeScript utility packages, in-memory search libraries, and automated data synchronization packages.
Education
My academic journey and achievements
- Faculty: Faculty of Science
- Major: Computer Science
- GPA 3.30 (Second Class Honours)
Experience
Professional journey, career progression, and systems delivered
Promoted to Senior Full Stack Developer in recognition of high-impact delivery. Leading full-lifecycle development for enterprise microservices, cloud infrastructure migrations, and mentoring junior developers in agile development.
- Promoted from Junior to Senior Full Stack Developer, taking ownership of core system architecture and database design.
- Mentored and guided a junior developer, conducting code reviews and enforcing clean architecture standards.
- Architected a scalable bulk queueing system using NestJS, BullMQ, and Redis to process and validate 1M+ coupon records via CSV uploads without server degradation.
- Automated CI/CD deployment workflows across AWS, Azure, and Oracle Cloud, eliminating manual deployment repetitions and boosting release efficiency.
- Designed robust database schemas (ER diagrams) and optimized complex SQL queries and Stored Procedures for PostgreSQL, Oracle DB, and MS SQL Server.
Developed and maintained full-stack commercial applications, integrated enterprise ERP modules, and resolved security vulnerabilities.
- Built responsive, modern web frontends using React and Angular, interfacing with Spring Boot (Java/Kotlin) and NestJS backends.
- Integrated third-party enterprise platforms (Oracle NetSuite, Bigin CRM) leveraging Apache Kafka for event messaging and Kong API Gateway.
- Hardened application security through vulnerability assessment (VA Scan) patches and implemented SMS OTP multi-factor authentication systems.
Engineered real-world production software solutions for local community finance and family business operations alongside academic studies in Computer Science at Chulalongkorn University.
- Community Village Bank System (ระบบธนาคารชุมชนระดับหมู่บ้าน): Designed and developed an end-to-end accounting application managing deposits, withdrawals, and loan tracking for village community members.
- Retail Point of Sale (POS) System: Built a custom inventory management and checkout receipt system tailored for family retail operations.
- Cultivated practical full-stack problem solving early, applying data structures, relational database design, and user-friendly UI to real users.
Contact Me
Have a project in mind? Let's build something amazing together
Let's Connect
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.