Backend Jobs in South Korea
There are 123 open Backend jobs in South Korea on freehire right now. 14 of them were posted recently. The skills employers ask for most often are java, aws and api.
Most requested skills
- java 63%
- aws 61%
- api 52%
- ai 51%
- spring 48%
- kubernetes 46%
- kotlin 41%
- kafka 37%
How the work is done
- Onsite 13 · 11%
- Hybrid 5 · 4%
Visa sponsorship offered in 76% of the 41 postings that state a position on it.
Seniority
- Senior 28
- Staff 26
- 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
Director, Back-end Engineering (Rocket Pay)
Lead the backend engineering team to design and build a next-gen payment platform handling high-volume transactions, integrating with banking services, and ensuring security and scalability for Coupang’s fintech products.
Manager, Backend Engineering (New Fintech Product)
Leads a backend engineering team to design and build a next-gen payments platform for Coupang’s fintech products, including BaaS and credit-card rewards, using Java/Spring/Kotlin and cloud-native stacks.
Software Engineer - Backend
Backend engineer building AI services and APIs in Python/Node.js, designing databases, and deploying on cloud with Docker/Kubernetes.
솔루션 개발자(Backend Engineer)
Build and scale a high-traffic Java/Spring backend that powers an enterprise MarTech platform handling 30B+ messages yearly and integrating with Kakao Talk APIs.
Backend Engineering Manager
Lead a 10-person backend team at a major crypto exchange, setting architecture standards, Agile processes, and hiring plans while balancing business needs and technical debt.
Backend Developer
Build and scale the backend of a cryptocurrency exchange using Java/Kotlin, Spring Boot, and AWS; design RESTful APIs, optimize performance, and ensure transactional consistency.
Senior Backend Engineer
Lead backend architecture for a crypto exchange using Java/Kotlin and Spring Boot, designing highly available systems, optimizing MySQL/Redis/Kafka, and mentoring engineers.
Junior Backend Engineer
Build and maintain crypto exchange backend systems, integrate blockchain nodes, and develop secure APIs for deposit, withdrawal, and staking services using Java/Kotlin/Go/Python.
Backend Engineer
Build and run compliance back-office systems for a crypto exchange using Java/Spring, Kafka, Redis, and AWS, designing APIs and optimizing performance.
Staking Backend Engineer
Build and maintain the backend for a crypto exchange’s staking service, integrating on-chain protocols and running validator nodes for networks like Ethereum and Solana.
Backend Engineer
Backend engineer building and scaling Bithumb Pay’s payment systems in Kotlin/Java Spring, owning APIs, distributed architecture, and concurrency for transactions.
Backend Developer
Build and maintain backend servers for a won-based stablecoin platform, integrating APIs, databases, Redis, and blockchain networks.
Backend Engineer(검색)
Builds and runs the AI-powered search engine for a Korean fintech brokerage, focusing on OpenSearch indexing, Korean-language relevance tuning, and financial-domain ontologies.
Backend Engineer (3년~5년차)
Builds the core backend that powers a B2B marketplace automating wholesale inventory trading for U.S. sellers, handling user, inventory, invoice, payment, and dashboard logic with Spring/Kotlin and AWS.
Backend Engineer(Order)
Builds and maintains core e-commerce systems handling coupons, carts, orders, payments, shipping, and refunds using Java/C# and RDBMS in a high-traffic marketplace.
[B2B SaaS] Sr. Backend Engineer
Build and maintain Adriel’s AI-powered marketing-operations backend, using Node.js, AWS, Kubernetes, and Redis to scale ad-tech features and optimize performance.
HAX Infra Backend Engineer
Builds and maintains the core backend infrastructure for AI-powered hospital automation, including EMR/OCS integrations, API servers, and model-serving pipelines in a secure on-premise environment.
백엔드 개발자 (Back-end)
Builds and maintains REST APIs for golf tee-time inventory and booking, integrating with GDS and partner platforms using C#/Java and ORM.
Back-end Developer (5년 이상)
Builds and scales backend services for brand experiences, focusing on scalable architecture, AI integration, and cloud infrastructure on AWS.
Back-end Engineer (Salesforce 경험자 우대)
Builds and scales back-end services for a Korean O2O platform, integrating Salesforce CX tools and preparing AI-powered chat/call bots with NestJS, PostgreSQL, and AWS.