Staff AI Engineer

About the role

We exist to wow our customers. We know we're doing the right thing when we hear our customers say, "How did we 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 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 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.

Role Overview

The Digital Trust Group at Coupang is the division responsible for safeguarding the company's global e-commerce platform through robust cybersecurity, data privacy engineering, and corporate IT security infrastructure. The group focuses on designing and implementing enterprise-wide security architectures-such as zero-trust access models, data loss prevention (DLP), and cloud security controls-while automating security processes to proactively mitigate risk across customer, merchant, and internal employee workflows.

What You Will Do

Build AI-Powered Investigation Systems

• Develop AI workflows that automate investigation and analysis tasks.
• Build agent-based systems that interact with internal tools, data sources, and knowledge repositories.
• Improve reasoning quality, reliability, and performance of AI-driven workflows.
• Implement human-in-the-loop review and feedback mechanisms.

Build Detection and Risk Analytics

• Design and implement detection logic for suspicious or high-risk activity.
• Develop risk signals, behavioral analytics, and anomaly detection capabilities.
• Create systems that combine multiple telemetry sources into actionable intelligence.
• Improve quality and coverage of existing detection capabilities.

Develop Data and Signal Pipelines

• Build scalable batch and streaming pipelines for AI and analytics workloads.
• Develop feature engineering workflows used by AI models and detection systems.
• Create data products that support investigation, automation, and risk assessment.
• Improve data quality, observability, and operational reliability.

Build Production AI Services

• Design and implement APIs, backend services, and distributed systems that support AI applications.
• Develop frameworks that make AI workflows easier to deploy, evaluate, and operate.
• Monitor production systems and troubleshoot reliability or quality issues.
• Participate in architecture discussions and contribute to technical design reviews.

Basic Qualifications

• Bachelor's degree in computer science, electrical engineering, mathematics, statistics or closely related fields
• 4 years of professional experience in applied machine learning
• Experience in machine learning, deep learning, and statistical modeling
• Proficiency in Python and/or Java, with experience in building production grade ML systems

Preferred Qualifications

• Experience working with machine learning, AI, data-intensive systems, or analytics platforms.
• Strong understanding of distributed systems and cloud-native architectures.
• Experience designing APIs and scalable services.
• Ability to independently drive projects from requirements through production deployment.
• Experience with LLMs, RAG systems, or AI agents.
• Experience building fraud, trust and safety, identity, security, or risk systems.
• Experience with feature engineering and large-scale data processing.
• Familiarity with detection engineering, SIEM, SOAR, or security analytics platforms.
• Experience deploying AI systems into production environments.
• Knowledge of authentication, account security, or behavioral analytics

Pay & Benefits

• Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation.
• The base pay for this position ranges from $152,000/year to $261,000/year. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills and experience.

General Description of All Benefits

• Annual bonus is 0-20% of the base salary
• Medical/Dental/Vision/Life, AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HAS)
• Long-term/Short-term Disability
• Employee Assistance Program (EAP) program
• 401K Plan with Company Match
• 18-21 days of Paid Time Off (PTO) a year based on the tenure
• 12 Paid Holidays
• Paid Parental leave
• Pre-tax commuter benefits
• MTV- [Free] Electric Car Charging Station

General Description of Other Compensation

"Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary or wage scale.

Recruitment Process and Others

Recruitment Process

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview - Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.