Building the Future with Technology

We are a service-oriented technology company dedicated to creating innovative solutions that drive digital transformation and enhance business efficiency.

About Ptokos

πŸš€

Innovation-Driven

We leverage cutting-edge technologies to solve complex problems and create scalable solutions that meet evolving business needs.

⚑

Performance-Focused

Our solutions prioritize efficiency, scalability, and reliability, ensuring optimal performance across all platforms and environments.

🎯

Service-Oriented

We design and implement service-based architectures that promote modularity, maintainability, and seamless integration capabilities.

Our Projects

PourLog

An all-in-one coffee tasting diary app for recording, discovering, and sharing coffee experiences across iOS, Android, and Web.

ExpoTypeScriptNestJSNext.jsPostgreSQLSQLiteZustandZodGCP Cloud RunTerraformDocker
Status: Live
Click for details β†’

JodalPlus

A Next.js 15 web application for efficient management and analysis of Korean public procurement (G2B) bidding information with real-time data retrieval and batch processing.

Next.js 15React 19TypeScriptPostgreSQLPrismaTailwind CSS 4PlaywrightGCP Cloud RunGCP PostgreSQL
Status: Live
Click for details β†’

Thanks Note

A mobile application for recording daily gratitude and managing emotions with offline-first architecture, real-time synchronization, and sophisticated user management.

React NativeExpoTypeScriptNestJSGCP Cloud RunGCP PostgreSQLZustandClerk
Status: Live
🌐 Live
Click for details β†’

OnePick

A photo diary web application that helps users easily record and enjoy their daily moments with just one photo per day, featuring journey management and modern UI.

Next.jsReactTypeScriptFirebaseTailwindCSSRecoil
Status: Discontinued
🌐 Live
Click for details β†’

Meet the Team

πŸ‘¨β€πŸ’»

κ°•κΈ°μ£Ό (GiJu Kang)

Product Engineer

CNCK Organizer - Community Ops Sub-leader

Passionate about writing clean code and creating innovative solutions. Experienced in full-stack development with TypeScript, React, Spring Boot, NestJS, Next.js and various technologies from web crawling to mobile app development.

Biography

Experience

Full-Stack Developer

Crepas

Leading new business development initiatives. Managing projects from prototype to deployment with full-stack technologies.

2022-Present

Freelance Developer

GD Soft

Optimized database queries and developed advanced web crawling systems. Improved system performance and data processing capabilities.

2021-2022

Tutor

Team Sparta

Conducted Node.js backend training sessions and mentored junior developers. Provided personalized learning guidance, code reviews, and career counseling to students.

2023-2024

External Activities

πŸ‘¨β€πŸ’Ό

Backend Code Reviewer at Naver Connect Foundation - 2025

πŸ‘¨β€πŸ’Ό

Backend Code Mentor at Naver Connect Foundation - 2023

πŸ‘¨β€πŸ’Ό

Backend Code Reviewer at Naver Connect Foundation - 2023

πŸ‘¨β€πŸ’Ό

Backend Code Reviewer at Naver Connect Foundation - 2022

Achievements

πŸ†

"Monthly NClouder" award from Naver Cloud Platform

πŸš€

Multiple open-source contributions and mentoring experiences

πŸ†

Kubestronaut - CNCF

πŸ“œ

Certification : CKA (Certified Kubernetes Administrator)

πŸ“œ

Certification : CKAD (Certified Kubernetes Application Developer)

πŸ“œ

Certification : CKS (Certified Kubernetes Security Specialist)

πŸ“œ

Certification : KCNA (Kubernetes and Cloud Native Associate)

πŸ“œ

Certification : KCSA (Kubernetes and Cloud Native Security Associate)

πŸ“œ

Certification : AWS Solutions Architect - Associate

πŸ“œ

Certification : AWS Developer - Associate

πŸ“œ

Certification : Google Cloud Associate Engineer

Interests

Clean CodeWeb CrawlingMobile DevelopmentAI/MLMentoring

Tech Stack

TypeScript, React, Spring Boot, NestJS, Python, MongoDB, MySQL

Expertise

Full-Stack Development, Web Crawling, Mobile Apps, Cloud Platforms

Focus

Clean Code, Performance Optimization, Mentoring

Let's Build Together

Ready to transform your ideas into reality? We're here to help you leverage technology for business growth.

Β© 2025 Ptokos. Building innovative technology solutions for tomorrow.