Director Backend Engineering (Infrastructure)

Company Introduction

We exist to wow our customers. We knowweredoing 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 everwerecollectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies thatestablishedan 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 ourinception. 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 ofwhatspossible 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

As part of our Application Infrastructure org this is a greenfield team that willimpactcomplex Coupang workflow systems. We need to create a set of systems that will allow rapid workflow development for hundreds of domain teams allowing critical infrastructure like rocket delivery service. It is a highly visible system with hundreds of millions of dollars of revenue flowing through the systems. It is a chance to design fromscratch andcreate a reliable workflow service at scale.

We are looking for a visionary Technical Lead Manager to lead the architectural design and implementation of our next-generation durable execution platform. This team is tasked with building a highly scalable fault-tolerant system from scratch that enables developers to write long-running reliable workflows as code.

At Coupang we Aim High and Find a Way to solve impossible problems. You willbe responsible forbuilding a system thatdoesntjust meet industry standards but sets them ensuring 5-6 nines availability whileleveragingAI to automate complex system behaviors and self-healing capabilities

What You Will Do

• Architect from Zero:Lead the end-to-end design of a distributed workflow engine. You will Build the Best Team and Help Them Grow by setting the gold standard for architectural integrity and high-performance code.
• Define Extreme Availability:Design for 5-6 nines (99.9999% availability). You will Dive Deep into the tail latencies and edge cases of distributed state management to ensure our platform is always on for our customers.
• AI-Driven Automation:Integrate AI/ML models to automate system functionality including predictive scaling automated bottleneck detection and intelligent error recovery ensuring weWow the Customerthrough seamless platform performance and availability.
• Solve Hard Problems:Address challenges related to distributed locking timers and deterministic execution. You must Be Data-Driven tovalidatearchitectural decisions against massive traffic patterns.
• As a TLM you will lead a team of up to 10 engineers collaborating across the organization to ensure this platform becomes the backbone of our global operations.
• Stakeholder management - Work cross functionally with our product teams to provide infrastructure which serves the companys business needs

Basic Qualifications

• Bachelors degree in computer science Electrical Engineering Math or a closely related field
• 8 years of experience in backend software development
• Proficiencyin Java and the Spring Framework
• Experience working in cloud environments particularly AWS
• Demonstrated experience in building andmaintaininghighly available distributed systems
• Managed a team of 5-10 engineers

Preferred Qualifications

• Extensive Experience:12 years of professional software development experience specifically building backend infrastructure that supports global-scale traffic.
• 3 years of experience managing a team of 5-10 engineers
• High Availability Mastery:Proventrack recordof managing andmaintainingsystems with 5-6 nines of availability. You understand that good enoughisntenough; weFocus on the Customer and the Experienceby ensuring zero downtime.
• Distributed Systems Expert:Deepexpertisein designing and deploying mission-critical systems (e.g. databases messaging queues or orchestration engines) from the ground up.
• Technical Mastery:Expert-levelproficiencyin Java Python with deep understanding of concurrency and memory management.
• AI Integration:Experience or a strong architectural vision for using AI/ML to automate system-level functionality and operational tasks.
• Specialized Knowledge:Deep familiarity with the Temporal or Cadence programming models and their underlying architecture. Experience in Kubernetes and containerization.
• Stateful Database Experience: Experience with Cassandra andTiDBpreferred
• Open SourceLeadership:Experience contributing to major open-source distributed systems projects.
• Observability Expert:Expertisein building highly observable systems using distributed tracing and advanced telemetry to proactivelyidentifyissues.

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 addresssubmittedat 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 havesubmittedfalse information as part of the application process.
• Those eligible for employment protection (recipients of veterans benefits the disabled etc.) may receive preferential treatment for employmentin accordance withapplicable laws.
• Job titles and responsibilities may be subject to change depending on the candidates overall experience etc. This will be communicated to the candidate at theappropriate timebefore the offer.
• Hiring may be restricted in case the legal qualificationsrequiredfor hiring and work performance is not met.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below.
  Experience:

  Director