Principal Software Engineer

Company: Coupang
Location: Mountain View
Posted on: May 9, 2025

Job Description:

Coupang is reimagining the shopping experience with the goal of wowing each customer from the instant they open the Coupang app to the moment an order is delivered to their door.

Powered by an outstanding end-to-end e-commerce and logistics network and a fanatical culture of customer centricity, Coupang has broken tradeoffs around speed, selection and price. Today, we provide exceedingly fast shipping speeds on millions of items including fresh groceries, delivered within hours nationwide, 365 days a year.

We are doing this for millions of consumers in Korea. Korea is home to one of the largest and fastest growing e-commerce opportunities anywhere in the world.Job Overview:The TSE - Software Engineering team is responsible Coupang's on-prem and cloud infrastructure for Coupang's internal workload management and microservice ecosystem which scales to thousands of microservices. We are in a process to revolutionize our developer experiences and internal infrastructure by adopting the best technologies available.We are looking for an architect who has deep understanding of distributed system, hands-on experiences in large scale backend services, Kubernetes, Go-lang and Java based micro services. You will be responsible to design the architecture and lead the team to deliver a modern platform that powers all Coupang's internal services and ML platform.What You Will DoAs a Principal Software Engineer, you will partner with leaders of multiple platform teams, drive design and guide large teams. You will work closely with the product team to define and implement simple solutions of complex infrastructure problems while ensuring to build a highly scalable, reliable and efficient platform for our customers. You will technically guide teams working on full stack development teams using JAVA, AWS, Kafka, Kubernetes, Kubeflow, Argo CD and gRPC. You will be accountable for hiring and developing technical leaders and top talent, raising the bar on engineering and operational excellence.In this role, you will:

• Architect workload and service management infrastructure.
• Hands-on develop critical infrastructure components.
• Decompose complex problems into simple, straightforward solutions, providing mechanisms for the teams to prioritize ruthlessly and "move with urgency".
• Envision roadmaps for the scalable and robust growth of Coupang's growing Application infrastructure.
• Align with stakeholders, develop strong developers and provide technical guidance to engineers on critical projects to resolve complex business problems.
• Demonstrate excellence resulting in scalable systems and services with the highest quality architecture and design.
• Dive deep into critical system issues, proactively addressing similar root causes, and raise the bar on Operational Excellence.
• Collaborate with other Coupang tech leaders to make the service extensible to unlock opportunities for innovations.Qualifications
  • Bachelor's degree in computer science or related technical fields.
  • 15+ years professional software development experience, or 8 years' experience with advanced degree.
  • 8+ years' experience of project tech lead.
  • Hands-on experience in designing and developing large scale distributed system in the last 4 years.
  • One who is fluent in one or more among Java, Go and Python.
  • Proven track record of delivering mission critical systems.
  • Experience developing and growing senior individual contributors globally.
  • Experience with cloud computing using AWS or Azure or GCP.
  • Experienced in Machine learning job deployment infrastructure like Ardo CD workflow.Preferred Qualifications
    • Experience in Kubernetes, gRPC.
    • Experience in concurrency, multi-threading, synchronization, and non-blocking IO.
    • Deep understanding of operating system kernel and distributed system such as Kafka, Cassandra and Mongo DB.
    • Proficient in some of the ML infrastructure and deployment frameworks like: TensorFlow, PyTorch, TensorRT, Triton backend etc.
    • Ability to handle multiple competing priorities in a fast-paced environment and leading the delivery of large-scale services for complex business offerings.
    • Ability to influence cross functional stakeholders, prioritize ruthlessly, Aim High and Find a Way to deliver results with grit.
    • Capable of or is fluent in English communication.
    • Master or PhD degree in computer science or other related technical fields.Pay & 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 $184,000/year in our lowest geographic market to $376,000/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 .Req# R0053622
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Keywords: Coupang, Merced , Principal Software Engineer, IT / Software / Systems , Mountain View, California