Seeking a Full Stack Developer internship

Krittawat
Phanthumsarn.

I build web applications through my coursework
and am looking for an internship to learn from a development team.

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Projects

Basketball league management, standings, and ticketing platform

Backend: Developed RESTful APIs with Node.js and Express.js, organizing the architecture into routes, services, and middleware for matches, teams, players, and orders.
Databases: Designed PostgreSQL schemas with database transactions and concurrency locking (FOR UPDATE NOWAIT) to prevent seat double-booking in real time.
Security: Implemented JWT authentication with bcrypt password hashing and Role-Based Access Control (RBAC) separating admin and user permissions.
Frontend: Built a responsive interface using HTML5, CSS3, and JavaScript (Fetch API) for live match standings and interactive zone-based seat selection.

Node.js Express.js PostgreSQL JWT & RBAC Concurrency Locking

02 / AI CHATBOT2025 — Present

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Proposed workflow diagram

In development

A chatbot for basic personal income tax questions

Retrieval: Uses FAISS for semantic search as part of a RAG workflow.
Integration: Connects Dialogflow ES to the LINE Messaging API so users can chat through LINE.
Documents: Uses Python, OpenCV, and Tesseract OCR to extract document data, with data management and summary reports in development.

Bachelor’s degree

B.Sc. in Computer Science

Expected graduation: 2027

Upper secondary school

Science–Mathematics program GPAX 3.37

LINE IDgritawat