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

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Innovation-Driven

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

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Performance-Focused

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

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Service-Oriented

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

Our Projects

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: In Development
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: Live
🌐 Live
Click for details β†’

Meet the Team

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κ°•κΈ°μ£Ό (Kang Gi-ju)

Full-Stack Developer

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

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Backend Code Reviewer at Naver Connect Foundation - 2025

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Backend Code Mentor at Naver Connect Foundation - 2023

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Backend Code Reviewer at Naver Connect Foundation - 2023

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Backend Code Reviewer at Naver Connect Foundation - 2022

Achievements

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"Monthly NClouder" award from Naver Cloud Platform

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Multiple open-source contributions and mentoring experiences

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Certification : CKA (Certified Kubernetes Administrator)

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Certification : CKAD (Certified Kubernetes Application Developer)

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Certification : KCNA (Kubernetes and Cloud Native Associate)

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Certification : AWS Solutions Architect - Associate

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Certification : AWS Developer - Associate

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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.