Backend Jobs in South Korea
There are 126 open Backend jobs in South Korea on freehire right now. 17 of them were posted recently. The skills employers ask for most often are java, aws and ai.
Most requested skills
- java 63%
- aws 62%
- ai 51%
- api 51%
- spring 48%
- kubernetes 47%
- kotlin 41%
- kafka 37%
How the work is done
- Onsite 13 · 10%
- Hybrid 5 · 4%
Visa sponsorship offered in 76% of the 41 postings that state a position on it.
Seniority
- Senior 28
- Staff 27
- Lead 6
- Intern 1
- Junior 1
- Principal 1
Who is hiring
- 1000+ employees 48
- 501-1000 employees 22
- 51-200 employees 16
- 11-50 employees 1
Manager, Back-end Engineering (Rocket Pay)
Leads a backend engineering team at Coupang Pay, building scalable fintech payment and financial services for Coupang’s platforms using Java/Spring/Kotlin and microservices.
Senior Staff Back-end Engineer (Rocket Pay)
Senior engineer defines the technical roadmap for core payment services at a fintech spin-off, building and scaling systems that handle millions of transactions daily using Java/Kotlin and Spring.
[쿠팡페이] Senior Back-end Engineer (계약직)
Build and maintain automated test suites for Coupang Pay’s fintech platform using Selenium, Appium, and Playwright to ensure payment flows, APIs, and edge cases are reliable before each release.
Software Engineer - Backend
Develops and maintains cloud-native backend systems for enterprise data protection, focusing on backup, recovery, and cloud platforms like AWS, GCP, and Azure.
Senior Engineer - Backend
Builds and operates backend systems for a cloud-native data protection platform, working on control planes, access management, and backup workflows using Go (preferred), Python, or Java with cloud platforms like AWS, GCP, or Azure.
Senior Back-end Engineer (Developer Experience)
The Senior Back-end Engineer will design and build internal developer platforms and infrastructure to support Coupang's large-scale microservices ecosystem. The role involves hands-on development of core infrastructure components using technologies like Golang, Kubernetes, and distributed systems.
Senior Back-end Engineer (Messaging and Caching Platform)
Design and build Coupang's Messaging and Caching Platform infrastructure in Seoul, handling terabytes to petabytes of data daily while targeting 99.99–99.999% availability using AWS, Kafka, and Spark.
Staff Back-end Engineer (Eats Customer)
Builds and scales the back-end systems powering Coupang Eats’ food-delivery app, handling pre-purchase through post-purchase flows with Java/Spring and microservices under heavy peak-time traffic.
Staff Back-end Engineer (Eats Customer)
Builds and scales the back-end systems powering Coupang Eats’ food-delivery app, handling pre-purchase through post-purchase flows with Java/Spring and microservices under heavy peak-time traffic.
Staff Back-end Engineer (Rocket Pay)
Senior Staff Backend Engineer on Coupang Pay's Product Engineering team, owning and evolving core payment systems (including Coupay one-touch payment) at scale using Java/Kotlin and Spring Framework in Seoul.
Backend Engineer (신입~3년차)
A Backend Engineer builds the core of a B2B marketplace platform for automated wholesale transactions using AI. This involves implementing admin systems, transaction APIs, and dashboards, using Spring/Kotlin, PostgreSQL, Redis, and AWS services.
AI Backend Engineer
AI Backend Engineer at 멘타트, designing and operating search, agent, and workflow backends for an enterprise AI platform using technologies like hybrid search, LLM agents, and vLLM. Core tasks include building hybrid search pipelines, LLM agent harnesses, and GPU cluster infrastructure for regulated domains (legal/financial).
Senior Back End Engineer (Global Mobility & Business Travel)
Design and own Coupang's Global Mobility data infrastructure, building AWS Data Lake architecture, ETL pipelines, and data quality frameworks while ensuring compliance with PIPA standards.
백엔드(Backend) 엔지니어
Builds backend services for artist IP platforms: fan messaging, e-commerce, and live events, using NestJS, TypeScript, and AWS with AI-assisted workflows.
[포토이즘] Backend Engineer
Builds and maintains scalable backend systems for a photo-tech platform, including RESTful APIs, databases, and AI-driven recommendation services to connect offline devices and online users.