Senior Fullstack Developer (Java)

TL;DR

Senior Fullstack Developer (Java): Developing and maintaining web platforms for global operations with an accent on Java Spring Boot, React, and legacy .NET system integration. Focus on system architecture design, performance optimization for high-traffic services, and ensuring code quality through rigorous review processes.

Location: Seoul, South Korea (Onsite)

Company

hirify.global is a global game developer and publisher known for its extensive portfolio of online games and digital entertainment services.

What you will do

• Develop and operate new websites for the company headquarters, branches, and subsidiaries.
• Maintain and evolve Java Spring Boot and React-based web applications.
• Manage and optimize legacy systems built on ASP and .NET Core.
• Design scalable system architectures to support global service expansion and high traffic.
• Perform code reviews and implement quality control measures to elevate team development standards.

Requirements

• 12+ years of professional software development experience.
• Proven expertise in backend development using Java Spring Boot.
• Hands-on experience with ASP and .NET Core.
• Strong proficiency in full-stack development and REST API design.
• Excellent communication skills for effective cross-functional collaboration.
• Must have no disqualifications for overseas travel or employment.

Nice to have

• Experience with React and Next.js for frontend development.
• Knowledge of building and operating MSA environments using Kubernetes.
• Background in handling large-scale traffic and performance tuning.
• Experience utilizing AI development tools like GitHub Copilot, Cursor, or Claude.
• Familiarity with cloud infrastructure management on AWS or GCP.
• Experience in global service development and multi-language processing.