Nattanan Jeungtanasirikul
Computer Engineering student at Chulalongkorn University
I'm Kim

Interest in building reliable, efficient software.

Love practicing competitive programming.

profile
WORK
exprec
FE Camp 19
Oct. 2025 - Current
Senior Backend Developer
Contributed to backend development of a Learning Management System(LMS). Implemented RESTful APIs using Java and Spring Boot.
PROJECTS
exprec
Exprec - Expense Tracking Website
A simple expense-tracking web application with a summary dashboard. Built with Next.js for the frontend and a Go backend using Fiber v2 and GORM.
Next.js
Typescript
GO
Fiber v2
GORM
PostgreSQL
Docker
AWS
go-user-service
Clean Go User Service
A Go-based user service built with Clean Architecture, featuring Google OAuth2 authentication, PostgreSQL persistence, and secure JWT access and refresh tokens with rotation, exposed via RESTful APIs using Gorilla Mux.
GO
Gorilla Mux
GORM
PostgreSQL
Redis
Docker
codeforces
Algorithms and Code Resources in C++
Algorithms for competitive programming and solutions to some problems.
C++

DSA

Data Structures and Algorithms

TOI19

The 19ᵗʰ Thailand Olympiad in Informatics

1ˢᵗ place 🥇
Codeforces

Username: kimnattanan

Highest Rating: ... /ᐠ。ꞈ。ᐟ\

Atcoder

Username: kimnattanan

Highest Rating: 1658

CONTACT

:

jeung.nattanan@gmail.com

I’m always open to messages, please feel free to reach out!

©KimNattanan