Scan your resume against ATS criteria for this Staff System Engineer role at coupanginternal.
We exist to wow our customers. We know we’re 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, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are 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 what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.
As a Systems & Platform Engineer, you will design and develop responsive applications, scalable APIs, and domain-specific AI models while driving performance, reliability, and automation. You will leverage modern technologies across frontend, backend, cloud, and infrastructure domains to deliver innovative AI-powered enterprise solutions.
Build and maintain modern, responsive, and high-performance agentic operations platform.
Design, develop, and optimize small language models for domain-specific and enterprise applications.
Fine-tune SLMs to improve accuracy, performance, and task-specific capabilities.
Optimize models 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 and maintain relational/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
Bachelor’s degree or Master's degree with 7+ years of total experience
Strong Python, React.js, NodeJS, NextJS, skills with component lifecycle, hooks, and state management HTML5, 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
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
Build and maintain modern, responsive, and high-performance agentic operations platform.
Design, develop, and optimize small language models for domain-specific and enterprise applications.
Fine-tune SLMs to improve accuracy, performance, and task-specific capabilities.
Optimize models 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 and maintain relational/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
Bachelor’s degree or Master's degree with 7+ years of total experience
Strong Python, React.js, NodeJS, NextJS, skills with component lifecycle, hooks, and state management HTML5, 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
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
How to apply for Staff System Engineer at coupanginternal?
Click the "Apply on Company Website" button on this page to submit your application directly on the employer's official portal.
What is the salary for this role?
Salary details will be discussed during the interview.
What experience is required?
7+ yrs of experience is required.
Is this position still open?
Yes, currently active and accepting applications.
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