Staff ML Infra Engineer

Posted 4 Days Ago
Be an Early Applicant
Mountain View, CA, USA
In-Office
174K-299K Annually
Senior level
eCommerce • Fintech • Logistics • Retail
The Role
Design and scale offline and online machine learning infrastructure for Search & Discovery. Responsibilities include data logging and processing, ML training pipelines, data quality, real-time inference services, ranking systems, monitoring, and high-throughput data platforms processing billions of records and petabytes of logs. The role also requires cross-functional collaboration, technical leadership, research into difficult engineering problems, and mentoring other engineers.
Summary Generated by Built In

Please complete the attached Internal Transfer Request Form and submit.  

Please make sure to apply with your Coupang e-mail address.  

  

 

Company Introduction  

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading 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 entrepreneurs 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. 

  

As our Staff Software Engineer, ML infra Engineer for Search & Discovery organization, you will be in charge of designing and implementing durable & efficient software solutions that handle massive volume of structured and unstructured data needed to train complex ML models and efficiently serve them online.
 
The Search & Discovery organization is responsible for optimizing customers' navigation experience and driving long-term growth. Every week millions of customers use search in our app or on coupang.com, more than one third of them make purchases. Over half of the Coupang sales are directly attributed to search and recommendation. Many business initiatives and growth strategies are driven or boosted by ranking and recommendation.
 
This role is an opportunity to build scalable offline and online ML platforms to support ranking and recommendation, and business decision making. You will be handling billions of records of user interaction data, and petabytes of raw log files, and transforming them into data objects that can be easily consumed by engineers and scientists. You will also be responsible for serving complex ML models in real time to help millions of Coupang customers search and discover products. If you are passionate about big data engineering and scalable serving systems, you want to make real business impact, and you are a true problem solver, this is the right job for you.
 
 
 
What You Will Do
  • Proactively drive the execution of end-to-end data platform, data quality roadmap for Search & Discovery ML efforts
  • Take ownership, consolidate and optimize the Search & Discovery core data logging, processing, and ML model training pipelines
  • Develop and scale data infrastructure that powers batch and real-time data processing, monitoring, and debugging for ML experiments
  • Drive design and implementation of scalable ML based ranking system and online ML inference services
  • Build strong cross-functional partnerships with Data Scientists, Analysts, Product Managers, Indexing Platform Engineers, Ranking Engineers and Data Platform Engineers to understand both the offline and online needs and deliver on those needs
  • Research, analyze and select technical approaches for solving difficult and challenging development and integration problems, coach and mentor other engineers in process and methodologies

Basic Qualifications

  • Bachelor's degree in computer science, electrical engineering, mathematics, statistics or
    closely related fields
  • 5 years of professional experience in applied machine learning
  • Experience in machine learning, deep learning, and statistical modeling
  • Proficiency in Python and/or Java, with experience in building production grade ML
    systems

Preferred Qualifications

  • Computer science fundamentals: data structures, algorithms, performance complexity, and implications of computer architecture on software performance (e.g., I/O and memory tuning)
  • Experience with Big Data tools and ETL frameworks (Hadoop, Hive, Presto, Spark, Scala, Apache Airflow, etc.)
  • Experience with ML frameworks such as Tensorflow and Pytorch
  • Experience with deploying highly robust and scalable data pipelines processing petabytes of data
  • Experience in managing mission critical services with high throughput and low latency
  • Experience with integrating applications and platforms with cloud technologies (i.e, AWS and GCP)
  • Strong verbal and written communication skills
  • Ability to conduct meetings and make professional presentations, and explain complex concepts and technical material to non-technical users
  • Experience with machine learning platform for search & discovery related rankings is a strong plus

  

Pay & Benefits

Our compensation reflects the cost of living 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 $174,000K/year to $299,000K/year. 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 Station

General 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.

 
Recruitment Process and Others
 
Recruitment Process
  • Application Review - Phone Interview - Onsite (or Virtual Onsite) 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 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.

Privacy Notice

  • Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

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 [email protected].

Job Requisition ID: R0075534


  

 

Please complete the attached Internal Transfer Request Form and submit.  

Please make sure to apply with your Coupang e-mail address.  

 

Skills Required

  • Bachelor's degree in computer science, electrical engineering, mathematics, statistics, or a closely related field
  • At least 5 years of professional experience in applied machine learning
  • Experience with machine learning, deep learning, and statistical modeling
  • Proficiency in Python and/or Java
  • Experience building production-grade machine learning systems
  • Knowledge of data structures, algorithms, performance complexity, and computer architecture implications for software performance
  • Experience with big data tools and ETL frameworks such as Hadoop, Hive, Presto, Spark, Scala, or Apache Airflow
  • Experience with machine learning frameworks such as TensorFlow and PyTorch
  • Experience deploying robust and scalable data pipelines processing petabytes of data
  • Experience managing mission-critical, high-throughput, low-latency services
  • Experience integrating applications and platforms with AWS or GCP
  • Strong verbal and written communication skills
  • Ability to conduct meetings, deliver professional presentations, and explain complex technical concepts to nontechnical users
  • Experience with machine learning platforms for search and discovery rankings
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The Company
108,000 Employees
Year Founded: 2010

What We Do

Coupang is a U.S. technology and global commerce company founded in 2010, operating online retail and cross-border commerce, restaurant delivery, video streaming, and fintech/payment services. Through brands including Coupang, Eats, Play, Rocket Now, and Farfetch, it uses technology, logistics, and fulfillment infrastructure to serve millions of customers in Korea, Taiwan, the United States, and more than 190 countries and territories worldwide.

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