Sr. Staff Software Engineer - Inventory and Promise Platform

Coupang; Seattle (WA); On-site; USD 159,000 - 324,000; Full time

Benefits offered by this job

Flexible Spending Accounts (FSA)

Health Savings Account (HSA)

401(k) plan with company match

Paid time off (18-21 days, based on tenure)

Paid parental leave

Job summary

A leading eCommerce platform is seeking a Sr. Staff Software Engineer for the Inventory and Promise Platform team in Seattle. You will lead technical projects to enhance fulfillment efficiency, utilizing your extensive software engineering background with Java. Candidates should have over 12 years of experience, knowledge in distributed systems, and familiarity with microservices. The role offers competitive salary, benefits, and opportunities for career growth in a diverse environment.

Qualifications

• 12+ years of software engineering experience, including Java.
• Experience leading large-scale projects over 12+ years.
• Strong understanding of backend scalable architecture.

Responsibilities

• Serve as a technical lead on demanding, cross-functional projects.
• Architect and design new microservices and machine-learning pipelines.
• Mentor peers and help managers with career growth.

Skills

Java

C/C++

Software engineering

Machine learning

Distributed systems

Kafka

Spark-Streaming

Education

Bachelor’s or Master’s degree in Computer Science or equivalent

Job description

Sr. Staff Software Engineer – Inventory and Promise Platform

Apply to the Sr. Staff Software Engineer – Inventory and Promise Platform role at Coupang.

This range is provided by Coupang. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base Pay Range

$159,000 – $324,000 per year.

Additional Compensation

Annual bonus and RSUs.

Job Overview

As our Sr. Staff Backend Engineer for the Inventory and Promise Platform team, you will empower Coupang Fulfillment & Transportation to operate faster, better, and cheaper through modern, reliable, and data‑driven technologies. You will lead technical initiatives on a brand new Inventory and Promise platform that provides inventory visibility, promised delivery dates, and fulfills orders.

Key Responsibilities

• Serve as a technical lead on demanding, cross‑functional projects involving Inventory and Promise.
• Architect and design new microservices and machine‑learning pipelines.
• Decompose complex problems into simple, straightforward solutions.
• Apply expert knowledge in performance, scalability, and enterprise distributed architecture.
• Mentor peers and help managers with career growth.
• Influence multiple teams, sharing deep knowledge.

Qualifications

• Bachelor’s or Master’s degree in Computer Science or equivalent.
• 12+ years of software engineering experience, including Java.
• 12+ years of experience leading large‑scale projects.
• Expertise in emerging platforms, Java, C/C++, operating system principles, and best practices.
• Strong understanding of backend scalable architecture and distributed systems.
• Experience with fault‑tolerant, high‑scale production systems.
• Experience building stream‑processing systems (Kafka, Spark‑Streaming).
• Knowledge of caching, storage techniques, and horizontally scalable architectures.
• Operational experience in large‑scale, high‑availability environments.

Preferred Experience

• Scalable distributed systems and machine‑learning algorithms.
• eCommerce domain experience in Inventory and Promise.
• Java, Scala, and Python development.
• AWS experience; Java is a plus.

Benefits

• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Long‑term & Short‑term Disability
• Employee Assistance Program (EAP)
• 401(k) plan with company match
• Paid time off (18‑21 days, based on tenure)
• 12 public holidays
• Paid parental leave

Other Compensation

Other compensation includes bonuses, equity, or other forms of compensation that may be offered in addition to the base salary.

Equal Opportunity Employer

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, age, disability, or any other characteristic protected by law. If you need assistance or a reasonable accommodation due to a disability, please contact us at [e-mail].

Requisition

R0068371

Seniority Level

Mid‑Senior level

Employment Type

Full‑time