Staff System Engineer

Company Introduction

We exist to wow our customers. We know were doing the right thing when we hear our customers say How did I ever live without Coupang Born out of an obsession to make shopping eating and living easier than ever were collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang you will see yourself your colleagues your team and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of whats possible to solve problems and break traditional Coupang now to create an epic experience in this always-on high-tech and hyper-connected world.

Role Overview

What You Will Do

• Build andmaintainmodern responsive and high-performanceagentic operations platform.
• Design develop andoptimizesmall language models for domain-specific and enterprise applications.
• Fine-tune SLMs to improve accuracy performance and task-specific capabilities.
• Optimizemodels for low-latency inference and edge deployments.
• Develop inference pipelines and evaluate model performance across various environments.
• Monitor benchmark and improve model efficiency accuracy and scalability.
• Maintain documentation experiment tracking and model governance practices.
• Build scalable RESTful APIs and backend services
• Design andmaintainrelational/NoSQL databases
• Implement security authentication and authorization logic
• Ensure high availability fault tolerance and robustness of server-side applications
• Integrate third-party APIs and services securely and efficiently

Basic Qualifications

• Bachelors degree or Masters degree with 7 years of total experience
• Strong Python NodeJS NextJS skills with component lifecycle hooks and state managementHTML5 CSS3 JavaScript (ES6) and modern frameworks (e.g. Tailwind SCSS)Git REST APIs Webpack and CI/CD pipelines
• Strong grasp of API design data modelling and error handling
• Experience with monitoring tools (Prometheus Grafana)
• Expertise in Ansible Terraform and shell scripting
• Proficient in PostgreSQL MySQL or MongoDB

Preferred Qualifications

• Good understanding of CI/CD configuration management and cloud platforms like AWS.
• Familiarity with message brokers (RabbitMQ Kafka)
• Experience with Docker Git and API tools

Type of work model

• Hybrid

Details to consider

• Those eligible for employment protection (recipients of veterans benefits the disabled etc.) may receive preferential treatment for employment in accordance with applicable laws.
  

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. Experience:

  Staff IC