Sr. Staff Backend Engineer

The role

The Marketplace Growth Engineering team builds scalable and intelligent systems to empower third-party sellers. You will design and automate large-scale streaming data processing systems and build scalable data infrastructure.

What you will do

• Design, develop, and automate large-scale, high-performance streaming data processing systems.
• Build scalable data infrastructure and pipelines.
• Develop optimal data models for storage and retrieval.
• Take full ownership of projects.
• Establish and execute short- and long-term architectural roadmaps.
• Drive continuous improvements in data platform efficiency, flexibility, and scalability.
• Contribute to shared data engineering tools and standards.
• Functionally decompose complex problems into maintainable solutions.
• Provide technical leadership across teams.

Required qualifications

• Bachelor's degree in computer science, Electrical Engineering, Math, or a closely related field
• 8 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

Nice to have

• 10+ years of professional software development experience
• 5+ years of experience building data-related products with proficiency in Spark, Flink, Spring, and Java
• Strong expertise in open-source frameworks and technologies, including Spring, AWS, APIs, NoSQL, and Big Data technologies such as Kafka, Elasticsearch, Iceberg, and ClickHouse
• Exceptional coding skills, with a focus on data structures, algorithms, problem-solving, refactoring, performance optimization, and complexity analysis
• Experience designing, implementing, and maintaining distributed systems at scale, making trade-offs based on business demands
• A self-starter mindset, with the ability to thrive in environments with evolving priorities and unclear requirements
• Comfortable working in an agile, fast-paced environment
• Bachelor's Degree in Computer Science or a related field
• Proven success in taking a leading role in building and delivering complex software systems
• Experience working with internet-scale datasets

Benefits

• 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

Before you apply

• Complete the attached Internal Transfer Request Form and submit
• Apply with your Coupang e-mail address

About the company

Coupang is a fast-growing e-commerce company and a dominant force in South Korean commerce. It offers a startup culture with the resources of a large global public company.