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  • 01.About
  • 02.Skills
  • 03.Projects
  • 04.Experience
  • 05.Education
  • 06.Contact
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  • 01About
  • 02Skills
  • 03Projects
  • 04Experience
  • 05Education
  • 06Contact
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ChoiWonOong

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Java Backend Engineer

4 yrs exp

Backend engineer with 4 years in Java. Successfully implemented scalable data processing pipelines for high-volume transaction systems.

01Developed RESTful APIs with Spring Boot for a cloud-based e-commerce platform02Improved application performance by optimizing database queries and indexing03Designed and deployed a message queue system using Apache Kafka for real-time data processing
02.

About

01Bio
Bio

Backend Developer with 4 years of experience working primarily with Java across 12 public repositories — notable projects include codetree, imageStorage.

Backend Developer with 4 years of experience working primarily with Java across 12 public repositories — notable projects include codetree, imageStorage.

02Story
Story

I started my journey as a Backend Developer with a strong foundation in Java. With 4 years of experience, I've worked on various projects, including codetree and imageStorage. I'm passionate about building scalable and efficient backend systems.

I started my journey as a Backend Developer with a strong foundation in Java. With 4 years of experience, I've worked on various projects, including codetree and imageStorage. I'm passionate about building scalable and efficient backend systems.

03Currently
Currently

Continuously improving my skills in Java and exploring new technologies to stay up-to-date with industry trends.

Continuously improving my skills in Java and exploring new technologies to stay up-to-date with industry trends.

04Approach
Approach

I prefer a structured approach to development, focusing on clean code, modular design, and robust testing. I'm a strong believer in the importance of documentation and collaboration in achieving project success.

I prefer a structured approach to development, focusing on clean code, modular design, and robust testing. I'm a strong believer in the importance of documentation and collaboration in achieving project success.

Skills

Languages

2 skills
01Java
02Python

Frontend

2 skills
01HTML
02JavaScript
03.

Selected Work

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01Featured Project

codetree

Solutions for Codetree

  • —Built a Java-based solution for Codetree
  • —Implemented problem-solving strategies for various challenges
Java
Code
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02Featured Project

imageStorage

imageStorage

  • —Designed a Java-based image storage system
  • —Integrated image processing and storage functionality
Java
Code
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03Featured Project

SpringMybatisGradle

SpringMybatisGradle Practice

  • —Implemented Spring-based web application using MyBatis for database interactions
  • —Configured Gradle for project build and dependency management
SpringMyBatisGradle
Code
More Work
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hungry_mz

Price categorizing application For hungry 20s

Java
Mar 2025

Contact

Get in touch
Available for work

Building scalable Java systems

Available for senior Java backend roles

dnd5301@gmail.com
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