Sr Staff Software Engineer

Company: Coupang
Location: Seattle
Posted on: February 1, 2025

Job Description:

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 entrepreneurial 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.Job Overview:CouMall is one of the fastest growth business units in Coupang and helps tens of thousands sellers and brand owners to grow their businesses and brand. Which is a key product to acquire new sellers to join Coupang platform, and motive sellers to be more active and engage. With various of customized seller shops and brand shops, CouMall provides consumers much rich shopping experience, help them to find what they want and connect with sellers and brand owners directly. Our vision is to enable customers to See more, Buy more And Save more.CouMall's shop solution is the core element for sellers to be successful on Coupang for both short-term and long-term sales goal. CouMall provides seller with the full e-commerce tools includes shop with many sub areas: dynamic product listing and products recommendation, in-shop search, shop recommendation and discovery, rich content, CRM, Offsite integration, analytics etc.Meanwhile, Ads products (PA, MADA, BPA and SSVA) are the marketing tools for vendors to acquire more traffic to their own shops to raise the brand awareness and grow long term unit sold. As the core part of "See more" vision, CouMall also leverage Ads to monetize the traffic and contribute profitability.CouMall engineering team is leveraging many cutting-edge technologies to enable seller and consumers to build strong connections, as well as working closely with business teams. Join us to not only grow tech skills but also grow business domain knowledge of E-Comm & Ads and learn the methodology to fast grow a business in a very dynamic changing environment.Role Overview:CouMall team is looking for a Sr Staff Backend Engineer to tech lead the Ads landing domain projects, connect Ads and their own shops to maximize the ROI for vendors.We are looking for candidate has very strong leadership skills, can fast learn new technologies. Be able to design/propose new architecture considering the end-to-end process of the application in charge of, to connect both sellers and consumers through ads and shops. Make value contributions for both parties. Keep evolving and optimize performance through machine learning and other AI technologies.What You Will do:We are looking for passionate senior leader to build highly scalable, low latency online systems. You will be working together with Ads management team for ads landing setup and automation; working together with Ads Serving team for all signals exchange and optimization; working on in-shop dynamic experience through machine learning technologies and systems to power and enhance the ads traffic results. You are responsible for maximizing the return of vendors' investment on Ads, CouMall benefits/promotions and shop curation.Are you passionate about building low latent and large scalable real-time services? Are you passionate about building AI-oriented recommendation system? Do you want to be part of huge opportunities to help vendors to success on Coupang? Do you want to contribute to Company's profitability? If so, let's chat!Basic Qualifications:

• Bachelor's degree in Computer Science or Computer Engineering or electrical/electronic engineering, mathematics or equivalent
• 10+ years of solid work with fundamental algorithms, system design, and large distributed systems
• 10+ years of coding experience in Java, Go, C++ or other strong types coding languages
• Hands-on experience in leading team to build large scale real-time service
• Successful experience of building rule-based model
• Fluent speaking and writing in both English and KoreanPreferred Qualifications:
  • 10 years experience with handling large data volumes in a distributed environment.
  • Senior tech leader for E2E business area delivery. Self motived and self driving. Can influence without authority, and work with product manager, front end engineer, ranking engineer to build new systems.
  • Rich experience with service-oriented architecture and web application/services development
  • Rich experience working with AWS (Amazon web services)
  • Successful experience in building machine learning applications and systems including but not limited to ads, search and recommendation systems
  • Successful experience in build GBDT, two tower and etc popular ML modelsPay & BenefitsOur compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.The base pay for this position ranges from $138,000/year in our lowest geographic market to $297,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.General Description of All Benefits
    • Medical/Dental/Vision/Life, AD&D insurance
    • Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
    • Long-term/Short-term Disability
    • Employee Assistance Program (EAP) program
    • 401K Plan with Company Match
    • 18-21 days of the Paid Time Off (PTO) a year based on the tenure
    • 12 Public Holidays
    • Paid Parental leave
    • Pre-tax commuter benefits
    • MTV - [Free] Electric Car Charging StationGeneral Description of Other Compensation"Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at
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Keywords: Coupang, Edmonds , Sr Staff Software Engineer, IT / Software / Systems , Seattle, Washington