Senior Software Engineer

About the Job Our client is an elite, high-growth global technology enterprise specializing in hyper-scale digital platforms, AI-driven developer tooling, and cross-border creator economies. We are seeking an autonomous, highly technical Senior Software Engineer to anchor our core engineering hub in Seoul, South Korea. In this mid-to-senior level role, you will lead the architectural design, development, and scaling of critical backend systems and user-facing infrastructure handling millions of daily active users. Why Join Us Global Scale & Modern Stack: Drive the technical vision for applications operating at a massive, global scale utilizing microservices, Kubernetes orchestration, and cloud-native architectures.Seoul-Based Global Hub: Work from the heart of Seoul’s bustling tech district (Teheran-ro/Gangnam) in a progressive, tech-forward corporate environment that blends the speed of Silicon Valley with the precision of Korean tech innovation.Elite Leadership Velocity: Take ownership of entire engineering epic tracks, mentor junior developers through active code reviews, and fast-track your path toward Engineering Management or Staff Architecture.Responsibilities System Architecture & Development: Design, write, and deploy robust, highly scalable, and secure full-stack or backend applications (typically using Java, Go, or Python/Node.js) capable of handling massive concurrency.Cross-Border Architectural Integration: Lead the localization, API refactoring, and integration of global codebases to ensure flawless performance and zero latency for both Western and APAC infrastructure.Technical Mentorship & Code Quality: Establish high engineering standards by conducting meticulous peer code reviews, optimizing continuous integration (CI/CD) pipelines, and enforcing rigorous unit/integration testing methodologies.System Optimization & Scaling: Proactively identify and resolve systemic bottlenecks, optimize database querying frameworks, and engineer microservices to scale seamlessly across global cloud infrastructures (AWS/GCP).Cross-Functional Communication: Serve as the technical liaison between global product managers and localized development pods, translating high-level business goals into scalable technical blueprints in both English and Korean.Requirements Education & Engineering Literacy: Bachelor’s degree in Computer Science, Computer Engineering, or a highly related technical discipline.Professional Experience: 5+ years of proven professional experience as a full-time software engineer, with a track record of building and shipping production-grade distributed systems.Language Fluency: Professional or native-level verbal and written proficiency in both Korean and English is mandatory. You must be entirely comfortable running technical sprint planning in English and mentoring localized teams in Korean.Core Technical Mastery: Deep, production-tested expertise in at least one core backend ecosystem (e.g., Java/Spring Boot, Go, Python/Django, or Node.js/TypeScript) paired with expert command of data structures, system design patterns, and algorithms.Database & Cloud Ecosystems: Strong hands-on experience designing schemas and optimizing relational (PostgreSQL, MySQL) and non-relational (Redis, MongoDB) databases within cloud-native environments (AWS, GCP, or Azure).Location Comfort: Must be currently residing in South Korea or fully authorized to work in Seoul without requiring immediate initial relocation/visa processing (or eligible for standard F-series/E-series visa transfers).Preferred Qualifications Prior experience working in a globally distributed engineering team or a multinational tech enterprise.Hands-on expertise with containerization and orchestration tools (Docker, Kubernetes) and stream-processing infrastructure (Kafka, RabbitMQ).Practical familiarity with front-end architectures (React, Vue.js, or TypeScript) to seamlessly support full-stack engineering tracks.Job Details Employment Type: Full-Time, PermanentLocation: Seoul, South Korea (Hybrid)Salary Range: ₩85,000,000 – ₩120,000,000 KRW base structure + Performance Bonus, Equity/Stock Options, Corporate Health, and Wellness Perks.About the Job Our client is an elite, high-growth global technology enterprise specializing in hyper-scale digital platforms, AI-driven developer tooling, and cross-border creator economies. We are seeking an autonomous, highly technical Senior Software Engineer to anchor our core engineering hub in Seoul, South Korea. In this mid-to-senior level role, you will lead the architectural design, development, and scaling of critical backend systems and user-facing infrastructure handling millions of daily active users. Why Join Us Global Scale & Modern Stack: Drive the technical vision for applications operating at a massive, global scale utilizing microservices, Kubernetes orchestration, and cloud-native architectures.Seoul-Based Global Hub: Work from the heart of Seoul’s bustling tech district (Teheran-ro/Gangnam) in a progressive, tech-forward corporate environment that blends the speed of Silicon Valley with the precision of Korean tech innovation.Elite Leadership Velocity: Take ownership of entire engineering epic tracks, mentor junior developers through active code reviews, and fast-track your path toward Engineering Management or Staff Architecture.Responsibilities System Architecture & Development: Design, write, and deploy robust, highly scalable, and secure full-stack or backend applications (typically using Java, Go, or Python/Node.js) capable of handling massive concurrency.Cross-Border Architectural Integration: Lead the localization, API refactoring, and integration of global codebases to ensure flawless performance and zero latency for both Western and APAC infrastructure.Technical Mentorship & Code Quality: Establish high engineering standards by conducting meticulous peer code reviews, optimizing continuous integration (CI/CD) pipelines, and enforcing rigorous unit/integration testing methodologies.System Optimization & Scaling: Proactively identify and resolve systemic bottlenecks, optimize database querying frameworks, and engineer microservices to scale seamlessly across global cloud infrastructures (AWS/GCP).Cross-Functional Communication: Serve as the technical liaison between global product managers and localized development pods, translating high-level business goals into scalable technical blueprints in both English and Korean.Requirements Education & Engineering Literacy: Bachelor’s degree in Computer Science, Computer Engineering, or a highly related technical discipline.Professional Experience: 5+ years of proven professional experience as a full-time software engineer, with a track record of building and shipping production-grade distributed systems.Language Fluency: Professional or native-level verbal and written proficiency in both Korean and English is mandatory. You must be entirely comfortable running technical sprint planning in English and mentoring localized teams in Korean.Core Technical Mastery: Deep, production-tested expertise in at least one core backend ecosystem (e.g., Java/Spring Boot, Go, Python/Django, or Node.js/TypeScript) paired with expert command of data structures, system design patterns, and algorithms.Database & Cloud Ecosystems: Strong hands-on experience designing schemas and optimizing relational (PostgreSQL, MySQL) and non-relational (Redis, MongoDB) databases within cloud-native environments (AWS, GCP, or Azure).Location Comfort: Must be currently residing in South Korea or fully authorized to work in Seoul without requiring immediate initial relocation/visa processing (or eligible for standard F-series/E-series visa transfers).Preferred Qualifications Prior experience working in a globally distributed engineering team or a multinational tech enterprise.Hands-on expertise with containerization and orchestration tools (Docker, Kubernetes) and stream-processing infrastructure (Kafka, RabbitMQ).Practical familiarity with front-end architectures (React, Vue.js, or TypeScript) to seamlessly support full-stack engineering tracks.Job Details Employment Type: Full-Time, PermanentLocation: Seoul, South Korea (Hybrid)Salary Range: ₩85,000,000 – ₩120,000,000 KRW base structure + Performance Bonus, Equity/Stock Options, Corporate Health, and Wellness Perks.