About Coupang Play Coupang Play is an OTT video streaming service. We offer a wide range of content, including Original Series, TV Shows, Movies, and Sports. We are in the business of delivering exceptional storytelling. We produce award-winning scripted and unscripted Original Series, such as “Boyhood ”, “Anna ”, and “SNL Korea ”. We believe Sports can also be elevated by creative storytelling. Play is now an authoritative destination for Sports, broadcasting K-League, La Liga, Bundesliga, F1, NFL, and other leading leagues and tournaments. We also offer some of the latest movies that were just released in local theaters, bringing more exceptional storytelling to our customers . To ensure that we deliver all content seamlessly, we invest in Engineering, Product, and Design. Coupang Play is available on all mobile devices, tablets, PC, Smart TV, Apple TV, and Android TV. Our teams keep optimizing how customers discover and stream both VOD and Live content. That includes investments in frontend, backend, and infrastructural developments. We also embrace Machine Learning to refine our CX. We are still very early in our growth stage. If you enjoy solving complex problems using industry-leading technology or unconventional business approaches, please join us. We are building a world-class team of problem-solvers, all dedicated to delivering exceptional storytelling to our customers . Role Overview The Senior, Backend Engineer in the Customer Experience (CX) team is one of the key roles in the Coupang Play product organization. This role works closely with product designer, product manager, mobile, and quality engineering team to collaboratively produce awesome customer experience. You will design and develop services that serve millions of customers every day. You will lead some key projects with new API development for our key strategic growth areas such as Live Sports streaming experience. Experience in building a highly available and low latency distributed service is essential. What You Will Do - Design and own the architecture roadmap of our Live Sports and Discover APIs - Develop, support, and improve key backend systems of the Coupang Play with high availability and scalability - Formulate scalable and low-latency technical solutions to satisfy product requirements from Product Owner - Mentor and grow a high-performing engineering team; establish best practices in code quality, system performance, and operational excellence - Collaborate with cross-functional stakeholders to align technical solutions with business goals and compliance requirements - Leverage AI for task automation and improve development quality and velocity Basic Qualifications - Bachelor's degree and 2+ years of experience in server application and system engineering using modern language - Deep expertise in low-latency, high-throughput systems, performance profiling, and cost/performance trade-offs - Expert with one or more of the following programming languages for backend engineering: Go, Java, JavaScript, Node.js - Proficient with modern cloud computing such as AWS or GCP - Excellent verbal and written communication skills Preferred Qualifications - Production experience with video streaming and its data systems - Ability to work with iOS and Android developers to properly integrate and troubleshoot issues with mobile app to API integration - Experience in GraphQL - Ability to speak and write in English in a professional environment Recruitment Process and Others Recruitment Process - Application Review - 1st Interview - 2nd Tech Interview - Leadership 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 will be prioritizing applicants who have a current right to work in Singapore and do not require company sponsorship for an employment visa. - 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. - Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. - Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer. - Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met. - This is a full-time regular position and includes 12 weeks of probation period; provided, however, the probationary period may be either skipped, shortened or extended if necessary for business purposes. Privacy Notice - Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. https://privacy.coupang.com/en/land/jobs/