Staff Backend Engineer, Growth Engineering

Company Introduction

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 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 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 whats 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.

Role Overview

In Growth Engineering our goal is to increase the number of transacting Customers while also growingtheir purchase frequency and lifetime value. We build core platforms and services that power Coupangsgrowth and marketing efficiency. Various platforms under our portfolio include Search AdvertisingPlatform Affiliate Platform Display targeting & re-targeting Platform CRM Audience Platform PushMarketing Platform and other core marketing services for user profile landing tracking & attribution. MLopportunities across these portfolios include targeting personalization product & offerrecommendations budget optimization real-time bidding creative optimization fraud detection andvarious others.

As a Staff Engineer within Coupangs Growth Engineering team you will be instrumental in architectingand developing a next-generation data platform (Marketing Data Service) designed to seamlesslyintegrate and process online/real-time near-real-time and various data streams. This platform willprioritize low-latency processing to transform raw data into a robust user-centric feature store enablinghigh-performance machine learning model training and real-time online inference serving. Furthermoreyou will lead initiatives to ensure the platform delivers a dynamic online user profile offering granularuser attribute insights to empower downstream services across the Growth Engineering ecosystem. Yourexpertise will directly contribute to advancing Coupangs data-driven capabilities aligning technicalinnovation with strategic business objectives.

What You Will Do

• Design develop and automate large-scale high-performance streaming data processing systems to drive business growth and enhance product experience

Build scalable data infrastructure and pipelines using best-in-class software engineering practices

Develop optimal data models for storage and retrieval meeting critical product and businessrequirements

Ensure the platform supports high availability reliability and low-latency.

Take full ownership end to end: from solution investigation/benchmark development tooperational health

Establish and execute short and long-term architectural roadmaps

Drive continuous improvement to the efficiency and flexibility of the data platform and serviceswhile maintaining a high bar for customer trust performance and availability

Collaborate with data scientists machine learning engineers and other stakeholders tounderstand data requirements and deliver solutions

Implement data quality and validation processes to ensure the accuracy and consistency ofingested data

Basic Qualifications

6 years of professional software development experience

5 years of experience in data-related products with proficiency in Spark Flink Spring and Java

Experience with open-source frameworks and technologies like Spring AWS APIs NoSQL BigData Technologies (Kafka Hive Cassandra ClickHouse Apache Flink Apache Spark or similar)

Hands on Python experience

Excellent coding skills with emphasis on data structures algorithms problem solving refactoringperformance improvement and complexity analysis

Distributed systems experience is a must should be skilled at designing implementing andmaintaining systems at scale and working on tradeoffs based on business demand

Taking ownership comes naturally to you and you thrive in an environment where priorities andrequirements are not always clear

Comfortable working and learning in an agile fast-paced environment

Bachelors degree in computer science or related field

Preferred Qualifications

Experience taking a leading role in building complex software systems that have been successfullydelivered to customers

Experience with internet-scale datasets and feature engineering (feature pipeline and featurestore development)

Experience communicating with users other technical teams and senior management to collectrequirements describe software product features technical designs and product strategy

Experience influencing software engineering best practices

Hands-on expertise in many disparate technologies ranging from front-end user interfacesthrough to back-end systems and all points in between

Experience working backwards from the customer and delivering innovative simple solutions

Fluency in oral English and Chinese language is a bonus

At Coupang you will:

Work on a challenging and impactful project that directly influences Coupangs user acquisitionand engagement strategies

Collaborate with a talented global team of engineers data scientists and product owners whoare passionate about building innovative solutions If you are a passionate engineer with the skills and experience to make a significant impact onCoupangs user understanding and personalization efforts we encourage you to apply!

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 $142000/year in our lowest geographic market to $309000/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 Paid Holidays
• XX weeks of 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.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race color religion sex or gender (including pregnancy gender identity gender expression sexual orientation transgender status) national origin age disability medical condition HIV/AIDS or Hepatitis C status marital status military or veteran status use of a trained dog guide or service animal political activities or affiliations citizenship or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability please contact us at .

  Job Requisition ID: R0066074

  
  

  Required Experience:

  Staff IC