Backend API Developer at LG AI Research

Department: Product Development Team

Language

Location: Seoul
Level: mid
Posted: Aug 14, 2026

Description

The Backend API Developer will analyze and document planning requirements, design and document backend APIs and databases, develop API servers and AI agents, participate in code reviews using GitLab or GitHub, and set up and improve CI/CD pipelines. The role requires at least three years of backend development experience with Python or Node.js, knowledge of relational and NoSQL databases, cloud environments, container technologies, and Git, with additional experience in distributed systems, microservices, and large-scale database optimization preferred.

Required Skills

Python
Node.js
PostgreSQL
Redis
AWS
Docker
Kubernetes
Git
CI/CD

Additional Information

Required Previous Experiences: At least 3 years of experience developing backend servers using Python and/or Node.js
Experience using relational and NoSQL databases such as PostgreSQL and Redis
Experience in cloud environments such as AWS or GCP
Experience using container technologies such as Docker and Kubernetes
Deep understanding of development tools including Git and Docker
Preferred Qualifications: Proficiency in Go, Java, and Kotlin
Experience with non-blocking, asynchronous high-speed network programming
Experience with message queues and event brokers such as Kafka and RabbitMQ
Experience with distributed systems and microservices architecture
Experience handling large-scale databases and optimizing SQL performance