Sr Staff Software Engineer - Experimentation

Job Description:

We exist to wow our customers. We know were 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 were collectively disrupting the multibilliondollar ecommerce industry from the ground up. We are one of the fastestgrowing ecommerce 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 handson 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 whats possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this alwayson hightech and hyperconnected world.

What You Will Do:

The Coupang experiment platform team is building a centralized platform to support all the domain teams in the company to implement and run their experiments and manage feature deployment through feature flags platform. Candidate design build and drive company wide adoption of features to improve feature development productivity and efficiency. We build user friendly web applications for test owners to create the experiments and review the results. We provide SDK for developers to instrument their experiments. We power companywide feature flags/dynamic configurations for dark deployments. We build the sophisticated metric calculation engine to easily onboard global and local metrics for experiment decision making.

Basic Qualification:

• BS MS or PhD degree in Computer Science or related field or equivalent practical experience

• 6 years work experience

• Track records in delivering highly distributed systems

• Platform knowledge working with AWS Docker Etcd Zookeeper Elastic Search Git and Apache Hadoop technologies

• Knowledge around A/B Testing is preferred

• Computer science fundamentals: data structures algorithms performance complexity and implications of computer architecture on software performance (e.g. I/O and memory tuning)

• Software engineering fundamentals: version control systems (i.e Git Github) and workflows and ability to write productionready code

• Experience deploying highly scalable software supporting millions or more users

• Experience with integrating applications and platforms with cloud technologies (i.eAWS and GCP)

• Strong oral and written communication skills

• Ability to conduct meetings and make professional presentations and to explain complex concepts and technical material to nontechnical users

Pay & Benefits

Our 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 $159000/year in our lowest geographic market to $324000/yearin our highest geographic market. Pay is based on several factors including market location and may vary depending on jobrelated knowledge skills and experience.

General Description of All Benefits

• Medical/Dental/Vision/Life AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Longterm/Shortterm Disability
• Employee Assistance Program (EAP) program
• 401K Plan with Company Match
• 1821 days of the Paid Time Off (PTO) a year based on the tenure
• 12 Public Holidays
• Paid Parental leave
• Pretax commuterbenefits
• MTV Free Electric Car Charging Station

General Description of Other Compensation

Other Compensation includes but is not limited to bonuses equity or other forms of compensation that wouldbe offered to the hired applicant in addition to their established salary range orwage 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

Requisition: R0051999