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I am a frontend-focused full stack developer with over 3 years of experience working on large-scale enterprise backends using Java and Spring, and I have recently focused on frontend development as a freelance developer. I build production-ready web apps with React, Next.js, and modern JavaScript, and I have a solid understanding of REST APIs, SQL-based systems, and CI/CD workflows. I'm adaptable, collaborative, and currently looking for on-site opportunities in Brisbane.…I am a frontend-focused full stack developer with over 3 years of experience working on large-scale enterprise backends using Java and Spring, and I have recently focused on frontend development as a freelance developer. I build production-ready web apps with React, Next.js, and modern JavaScript, and I have a solid understanding of REST APIs, SQL-based systems, and CI/CD workflows. I'm adaptable, collaborative, and currently looking for on-site opportunities in Brisbane.

Sean Kim

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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I am a frontend-focused full stack developer with over 3 years of experience working on large-scale enterprise backends using Java and Spring, and I have recently focused on frontend development as a freelance developer. I build production-ready web apps with React, Next.js, and modern JavaScript, and I have a solid understanding of REST APIs, SQL-based systems, and CI/CD workflows. I'm adaptable, collaborative, and currently looking for on-site opportunities in Brisbane.…I am a frontend-focused full stack developer with over 3 years of experience working on large-scale enterprise backends using Java and Spring, and I have recently focused on frontend development as a freelance developer. I build production-ready web apps with React, Next.js, and modern JavaScript, and I have a solid understanding of REST APIs, SQL-based systems, and CI/CD workflows. I'm adaptable, collaborative, and currently looking for on-site opportunities in Brisbane.

Available to hire

I am a frontend-focused full stack developer with over 3 years of experience working on large-scale enterprise backends using Java and Spring, and I have recently focused on frontend development as a freelance developer.

I build production-ready web apps with React, Next.js, and modern JavaScript, and I have a solid understanding of REST APIs, SQL-based systems, and CI/CD workflows. I’m adaptable, collaborative, and currently looking for on-site opportunities in Brisbane.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

Korean

Advanced

English

Fluent

Work Experience

Freelance Web Developer at Self employed

July 1, 2025 - November 1, 2025

Delivered responsive, production-ready websites and web apps using React and Next.js. Collaborated with digital agencies on frontend development projects. Translated client requirements into functional UI solutions and ensured cross-browser compatibility. Implemented form logic, multilingual support, and frontend feature enhancements.

Full Stack Developer at Realty Hub

April 1, 2024 - June 1, 2024

Developed frontend pages using React and modern JavaScript. Ported application logic from Next.js v14 to Spring Boot 3 backend architecture. Developed RESTful APIs using Spring Boot and JPA.

Full Stack Developer at Gem-Tek / LG CNS

November 1, 2021 - September 1, 2022

Developed RESTful APIs using Java and Spring Framework in enterprise telecommunications systems. Contributed to microservices-based systems using Apache Kafka for event-driven communication. Worked in CI/CD environments (Jenkins) and collaborated across backend and frontend teams. Participated in legacy system migration and backend performance improvements.

Backend Developer at Seed IT / Hyundai e-commerce

July 1, 2020 - October 1, 2021

Developed backend logic and REST APIs for e-commerce using Spring Boot and MyBatis. Managed SQL-based data processing and collaborated with frontend teams to integrate APIs. Supported frontend integration tasks using JavaScript (jQuery).