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Software Engineering Jobs in South Korea

There are 154 open Software Engineering jobs in South Korea on freehire right now. 15 of them were posted recently. The skills employers ask for most often are ai, python and cpp.

Most requested skills

ai 52%
python 36%
cpp 34%
api 30%
cloud 21%
linux 20%
machine-learning 20%
ci-cd 16%

How the work is done

Hybrid 18 · 12%
Onsite 18 · 12%
Remote 12 · 8%

Visa sponsorship offered in 74% of the 27 postings that state a position on it.

Seniority

Senior 27
Staff 10
Intern 7
Principal 6
Lead 5
Middle 3

Who is hiring

1000+ employees 17
501-1000 employees 13
11-50 employees 8
201-500 employees 4
51-200 employees 4

154 jobs

Posted Sort

154 jobs Posted Sort

Software Engineer - Automation

Open 84d APACInternshipIntern

Builds Python-based test automation frameworks and tools for a cloud-scale SaaS backup platform protecting enterprise data across AWS, GCP, and Azure. Works with EC2, S3, DynamoDB, Lambda, and Kubernetes to design end-to-end integration and load tests.

Agentic AI Agile AI API Automation +22 skills

Finance Data System Developer

Works as a Finance Data System Developer on the Finance Data Platform team at Toss Bank, designing and managing financial analysis marts and ALM simulation systems using Hadoop Ecosystem, Java, Python, and SQL.

Hadoop Java Python

Network Software Engineer

Design and build a zero-trust VPN and network-access controls; implement cross-platform clients and reverse-tunnel infrastructure while analyzing traffic for anomalies.

Android Anomaly Detection API Go iOS +3 skills

Node.js Developer

Build and maintain Node.js-based automation platforms at a fintech securities company, using TypeScript, NestJS, and distributed systems tools to streamline customer and internal services.

Automation ELK Kafka NestJS Node.js +4 skills

Node.js Developer

Build and maintain Node.js/Nest.js backend services and automation tools to streamline TossPlace’s terminal lifecycle and logistics operations using TypeScript, MySQL, and React.

API MySQL Node.js React Redis +2 skills

80M – 120M KRW

Node.js Developer

Build and maintain Node.js services for a leading fintech platform, handling payments, banking, and financial infrastructure.

[비공개] Software Engineer

Builds and maintains core financial infrastructure for a leading payments and fintech platform.

Systems Engineer

Builds, troubleshoots, and operates server/storage/backup systems and cloud/IDC infrastructure that power Toss Payments’ fintech services.

Systems Engineer (가상화)

Builds and optimizes virtualized infrastructure (VMware, KVM) for Toss Securities, integrating with Kubernetes and designing monitoring solutions to support high-traffic financial services.

Kubernetes VMware

Systems Engineer (GPU)

Designs, builds, and operates GPU infrastructure for AI/ML workloads, including bare-metal clusters, networking, and monitoring.

AI CUDA Grafana HPC Linux +3 skills

Systems Engineer

Systems Engineer on Toss Securities' System Engineering team in Seoul, designing, building, and running the infrastructure behind its services — on-prem Linux, SAN/storage, backup, GPU clusters, plus AWS public cloud. Day to day: capacity planning, troubleshooting, and automating operations with Shell, Python, or Go and AI tools.

AI Bash Infrastructure as Code Linux Python

Systems Engineer

System Engineer on Toss Insurance's Security & IT Infra Team in Seoul, building and supporting infrastructure for insurance-agent systems: servers, Linux OS, SAN, storage, backup, and IDC operations, plus incident response and monitoring, with a planned AWS migration. Core stack is Linux, scripting, and AWS.

AWS Bash Linux Perl Python +1 skills

Lead Software Engineer, AI Email App

Open 41d RemoteAPAC, North America, UKFull-timeLead

Lead Software Engineer for an AI-native email app, owning architecture across backend, mobile, and desktop while leading a small senior engineering team to turn AI/LLM capabilities into reliable, shippable product experiences.

AI API LLM Machine Learning Observability

Principal Software Engineer, AI Email App

Open 41d RemoteAPAC, North America, UKFull-timePrincipal

The Principal Software Engineer will lead a team to build a reliable, AI-native email application by designing backend and client-side architectures that integrate LLM capabilities. This hands-on role involves managing complex workflows, ensuring system reliability, and partnering with ML leadership to deliver a high-quality product.

AI API LLM Machine Learning Observability

Staff Software Engineer, AI Email App

Open 41d RemoteAPAC, North America, UKFull-timeStaff

Staff engineer owning the engineering layer for an AI-native email/app product, designing reliable backend systems, APIs, and client apps that integrate with ML/LLM capabilities while leading a small senior team.

AI API LLM Machine Learning Observability

Software Engineer, Desktop

Likely evergreen RemoteAPAC, North America, UKFull-time

Owns ActAI's desktop applications for its AI-native productivity product, building and maintaining cross-platform Electron apps with real-time collaboration UIs, native desktop integrations, and AI features via backend APIs. Core stack: Electron, Node.js, TypeScript, React, local storage (SQLite/IndexedDB), and WebSockets, with a focus on performance and reliability.

AI API JavaScript macOS Node.js +6 skills

Software Engineer, Data - 데이터 가치화

Data-focused software engineer on Danggeun Market's Data Valorization team in Seoul, building scalable batch/streaming data systems, automated event logging, observability/data-quality checks, and internal data products (metrics and experiment platforms). Works with Python/Java/Kotlin/Go, AWS/GCP, and big-data tools like Spark, Flink, and BigQuery.

AWS BigQuery Flink GCP Java +7 skills

Software Engineer - 테크코어 (AI Platform)

Software engineer on Karrot (Daangn Market)'s AI Platform team in Seoul, owning company-wide internal AI tools — LLM Router, Prompt Studio, KarrotChat, Krayon — end-to-end from problem discovery through production, working freely across frontend, backend, agent runtime, data, and infrastructure.

Agentic AI AI Anthropic BigQuery CSS +13 skills

System Engineer

NewBe an early applicant APACFull-time

To make electronics, you need chips, wafers, transistors, reticles, and... To make these, you must see, test and manufacture them at scale—faster and better than ever before. That's where KLA comes in. Whether…

AI Analytics Data Analytics Machine Learning

Senior Software Engineer

Open 116d APAC, EuropeSenior

Senior Backend Engineer building the high-performance systems behind Fever's live-entertainment platform in South Korea (home-office friendly). Day to day: designing end-to-end features, event-driven services, and scalable architecture in a Python-based stack (Django/FastAPI, PostgreSQL, Redis, Kafka, AWS, Kubernetes).

Android API AWS Backbone.js CI/CD +16 skills