Senior Staff Backend Engineer

We are seeking an experienced and passionate engineering leader to champion the design and development of our services. This role requires driving alignment with leadership and stakeholders, influencing and building trust with teams, and executing the delivery of complex systems with a focus on scalability, future extensibility, and reliability. The ideal candidate will contribute to building world-class systems and introducing innovations in both front-end and back-end domains, utilizing out-of-the-box thinking to elevate the customer experience. Join Coupang to help build the future of commerce and create exceptional experiences in a high-tech, hyper-connected world.

What You Will Do:

• Lead architecture design for scalable, extensible, and reliable systems.
• Align technology roadmaps with leadership and stakeholders.
• Remove technical blockers and simplify complex problems into actionable solutions.
• Decompose complex problems into simple, straightforward solutions, providing mechanisms for teams to prioritize ruthlessly and act with urgency.
• Write code as needed to guide teams and support high-priority initiatives.
• Identify business and tech opportunities; evaluate and adopt new technologies.
• Recruit, mentor, and grow top-tier engineering talent.

Basic Qualifications:

• At least 15+ years in software development, with a strong record of delivering impactful, large-scale systems.
• 7+ years building and operating backend services and web applications.
• Deep expertise in distributed systems, storage, data processing, and server technologies.
• Strong coding skills in Java and Spring Framework; object-oriented design.
• Experience driving improvements in code quality.

Preferred Qualifications:

• Experience with AWS-based service development and operations.
• Experience with frontend frameworks (React, Angular).
• Experience with ORM tools (JPA, Hibernate), domain modeling.
• Experience with NoSQL and relational/columnar databases.
• Experience with Git, CI/CD automation, and Agile methodologies.
• Experience with logistics-related service development.

Work Model:

Hybrid - Employees are required to work at least 3 days in the office per week, with flexibility to work from home 2 days a week, depending on role requirements. Some businesses may require more time in office due to the nature of work.