Role OverviewWe are looking for a skilled and experienced Database Engineer with AI experience to join the Customer Success team at Coupang. The Customer Success team obsesses over the success of development and application teams by delivering high-quality storage infrastructure. In this role, you will be responsible for developing tools and automation (scripts, AI) for reliable operations of Aurora MySQL, Aurora PostgreSQL, DocumentDB, DynamoDB, Cassandra, and TiDB databases in a high-traffic, mission-critical e-commerce environment. You will work closely with development teams and application teams to ensure database reliability, performance, and availability while driving operational excellence through automation and best practices.
At Coupang, we Aim High and Find a Way to solve impossible problems. You will be responsible for building a system that doesn't just meet industry standards but sets them, ensuring 5-6 nines availability while leveraging AI to automate complex system behaviors and self-healing capabilities
What You Will Do- AI Automation
- Generate AI Skills and Context prompts to automate storage engine and code and configuration generation across storage technologies.
Database Operations & Management- Manage and operate large-scale Amazon Aurora MySQL and Aurora PostgreSQL clusters in production environments.
- Perform database maintenance tasks including version upgrades (minor/major), patching, and parameter tuning.
- Execute Blue/Green Deployment (BGD) based upgrades and migrations with minimal downtime.
Performance Optimization - Monitor and analyze database performance using AWS CloudWatch, Performance Insights, and internal monitoring tools.
- Identify and resolve performance bottlenecks through query optimization, index tuning, and configuration adjustments.
- Conduct capacity planning and provide recommendations for scaling strategies.
Reliability & Availability - Ensure high availability and reliability of database services through proactive monitoring and incident response.
- Participate in on-call rotations and respond to database-related incidents in a timely manner.
- Design and implement failover strategies and validate recovery procedures.
Automation & Tooling - Develop and maintain automation scripts and tools (Python) for database operations, reducing manual intervention.
- Create and maintain Standard Operating Procedures (SOPs) for all database operations.
- Contribute to internal tooling and operational frameworks.
Collaboration - Partner with application development teams to provide database architecture guidance and support.
- Collaborate with infrastructure and security teams on database-related projects (e.g., SPIRE-based DB authentication).
- Participate in change management processes and conduct thorough reviews of database changes.
Basic Qualifications - Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field
- 6 years of experience in backend software development
- Proficiency in Java and the Spring Framework
- Experience working in cloud environments, particularly AWS
- Demonstrated experience in building and maintaining highly available, distributed systems
Preferred Qualifications- Experience: 10+ years of hands-on experience as a Database Engineer.
- AI Automation: 2+ years of creating AI Automation for your own or company workflows, storage, or code.
- Aurora / RDS: 5+ years of experience managing Amazon Aurora MySQL and/or Aurora PostgreSQL in production environments.
- MySQL: Strong expertise in MySQL 8.0+ including replication, InnoDB internals, query optimization, and troubleshooting.
- PostgreSQL: Working knowledge of PostgreSQL including extensions, vacuuming, and major version upgrade procedures.
- AWS: Proficiency with AWS database services (Aurora, RDS) and related services (CloudWatch, IAM, VPC, Parameter Groups).
- Scripting: Proficiency in Python or similar scripting languages for automation.
- Operations: Experience with database operations in large-scale, high-traffic environments (10,000+ TPS)
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 $164,000/year to $282,000/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.
