Staff Database Engineer (DBA)

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.

What you will do

• Design, implement, and maintain automated infrastructure to ensure consistency and scalability.
• Set up monitoring and logging systems to proactively detect and address potential issues, ensuring optimal performance and reliability.
• Manage hundreds of Aurora/MySQL, DynamoDB, and Mongo/DocumentDB databases, including tuning for maximum performance, backups, disaster recovery strategies, and their active/passive counterparts in AWS.
• Migrate Aurora MySQL to NewSQL
• Work closely with cross-functional teams, including application team developers, infrastructure teams, TPM's to improve the overall database processes.
• Assist in identifying and resolving operational issues and participating in on-call rotations.

Requirements

• At least 10 years of expertise in database operations with a focus on building automation and maintaining scalable infrastructures around data.
• At least 10 years of working directly with MySQL at a Senior level.
• At least 5 years of experience working on NoSQL data stores such as DynamoDB, Cassandra.
• At least 5 years of experience with developing tools and code for automation in Python.
• Experience with NewSQL (TiDB, Spanner, Aurora DSQL)
• At least 5 years of experience in leadership and communicating with the business.
• At least 5 years of experience creating automation in multiple database technologies using modern software engineering practices in Python.
• Strong problem-solving skills and the ability to work in a fast-paced, agile environment.
• Solid understanding of AWS-based data management technologies.
• Experience with infrastructure as code using Terraform.
• Understanding of CI/CD tools.
• Understanding of networking concepts such as load balancing and DNS.
• Knowledge of containerization technologies like Docker and container orchestration tools such as Kubernetes.
• Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).