Introduction Coupang Eats is Coupang's food delivery service and the fastest-growing delivery platform in South Korea and Japan. Having burst onto the domestic delivery scene in 2019, Coupang Eats surprised the world again in 2024 with "unlimited free delivery." We will never stop challenging ourselves to build a better future to make everyone wonder, "How did I ever live without Coupang Eats?"Coupang Eats gives its employees ample opportunities to grow. If you want to grow along with experts in their respective fields, join us now.   Job Description The Eats Discovery & Purchase Engineering team handles the end-to-end purchase process of Coupang Eats app from pre-purchase, purchase, to post-purchase. As part of the team in charge of overseeing Coupang Eats app including product display, ordering, and order workflow management, you will encounter plenty of opportunities to acquire a wealth of experience across multiple domains. We constantly strive to improve our product to give our customers the best experience possible. Given the nature of a delivery service, we face a challenging mission to efficiently process large volumes of data at peak times. We are looking for talented problem-solvers who cherish such challenges and can thrive.   Key Responsibilities · Design and optimize systems to handle high traffic volumes in a reliable manner · Swiftly deliver high-quality products to customers through code/design reviews · Serve as a key engineer who makes decisions on the system design · Develop sustainable services to grow by designing scalable architectures and systems · Design and implement back-end services using RESTful APIs · Improve software quality by writing testable, clean code · Collaborate and communicate seamlessly with team members and stakeholders   Qualifications · Bachelor's degree or higher in computer science or related fields · Over 8+ years of experience in back-end development · Proficient in Java/Kotlin and Spring framework · Competency in object-oriented design and development · Experience in designing, building, and operating microservices architecture · Excellent problem-solving skills and an ability to facilitate clear and transparent communication   Preferred skills · Experience in in the e-commerce, O2O industry · Experience of handling large volumes of traffic using non-blocking methods, such as Webflux · A good understanding of development methodologies, such as DDD and TDD and experience applying them · Ability to conduct refactoring against legacy code