Coupang

Senior Staff Backend Engineer

Coupang$169K — $290K *
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor’s degree in computer science, Electrical Engineering, Math, or a related field
  • 8 years of backend software development experience
  • Proficiency in Java and the Spring Framework
  • Experience in cloud environments, particularly AWS
  • Demonstrated experience building and maintaining highly available, distributed systems

Responsibilities

  • Architect a distributed workflow engine from scratch
  • Design for 99.9999% availability in complex systems
  • Integrate AI/ML for system automation and predictive scaling
  • Address challenges in distributed locking and deterministic execution
  • Collaborate across teams to establish a robust global platform

Benefits

  • Annual bonus of 0-20% of base salary
  • Comprehensive medical, dental, vision, life, and AD&D insurance
  • Flexible Spending and Health Savings Accounts
  • Long-term and short-term disability coverage
  • Employee Assistance Program
  • 401K Plan with Company Match
  • 18-21 days of Paid Time Off (PTO) per year
  • 12 Paid Holidays
  • Paid Parental Leave
  • Pre-tax commuter benefits
  • Free Electric Car Charging Station
Full Job Description
Role Overview

As part of our Application Infrastructure org, this is a greenfield team that will impact complex 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 from scratch, and create a reliable workflow service at scale.

We are looking for a visionary Senior Staff Software Engineer 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 will be responsible for building a system that doesnt just meet industry standards but sets them, ensuring 5-6 nines availability while leveraging AI 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 4-6 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 we Wow the Customer through seamless platform performance and availability.
  • Solve Hard Problems: Address challenges related to distributed locking, timers, and deterministic execution. You must Be Data-Driven to validate architectural decisions against massive traffic patterns.
  • Lead with Influence: As a Senior Staff Engineer, you will Influence without Authority, collaborating across the organization to ensure this platform becomes the backbone of our global operations.

Basic Qualifications
  • Bachelors degree in computer science, Electrical Engineering, Math, or a closely related field
  • 8 years of experience in backend software development
  • Proficiency in Java and the Spring Framework
  • Experience working in cloud environments, particularly AWS
  • Demonstrated experience in building and maintaining highly available, distributed systems

Preferred Qualifications
  • Extensive Experience: 12+ years of professional software development experience, specifically building backend infrastructure that supports global-scale traffic.
  • High Availability Mastery: Proven track record of managing and maintaining systems with 5-6 nines of availability. You understand that good enough isnt enough; we Focus on the Customer and the Experience by ensuring zero downtime.
  • Distributed Systems Expert: Deep expertise in designing and deploying mission-critical systems (e.g., databases, messaging queues, or orchestration engines) from the ground up.
  • Technical Mastery: Expert-level proficiency in 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 and TiDB preferred
  • Open Source Leadership: Experience contributing to major open-source distributed systems projects.
  • Observability Expert: Expertise in building highly observable systems using distributed tracing and advanced telemetry to proactively identify issues.

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 $169,000/year to $290,000/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
  • Annual bonus is 0-20% of the base salary
  • Medical/Dental/Vision/Life, AD&D insurance
  • Flexible Spending Accounts (FSA) & Health Savings Account (HAS)
  • Long-term/Short-term Disability
  • Employee Assistance Program (EAP) program
  • 401K Plan with Company Match
  • 18-21 days of Paid Time Off (PTO) a year based on the tenure
  • 12 Paid 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 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.

About Coupang

Coupang is a South Korean e-commerce company based in Seoul, South Korea, and incorporated in Delaware, United States. Founded in 2010 by Bom Kim, the company expanded to become the largest online marketplace in South Korea. Its expansion led the company to the video streaming distribution after the launch of the service Coupang Play. Coupang is often referred to as the "Amazon of South Korea", due its position and corporate size in South Korean online market.

Coupang Careers

Join the vibrant team at Coupang, one of the largest and most innovative e-commerce platforms in the world. At Coupang, we are not just a company; we are a revolution in online shopping, dedicated to transforming the customer experience through bold innovation and leadership in the digital landscape.

Work You’ll Do

Embark on a career journey with Coupang, where job opportunities abound to elevate your professional life. Whether you're seeking an entry-level position or a leadership role, Coupang offers a dynamic environment for growth and advancement.

Innovate and Lead

At Coupang, innovation isn't just another buzzword—it's the cornerstone of our operations. Join our team and contribute to projects that redefine the norms of e-commerce. With a focus on rapid delivery and customer satisfaction, your work will directly impact millions of lives every day.

Diversity and Inclusion

We believe that diversity fuels innovation. Coupang is committed to creating a diverse work environment where everyone, from any background, can thrive. Our diversity training ensures that all team members are valued and understood, fostering an inclusive culture that supports professional and personal growth.

Grow Your Career

Coupang is the perfect place to future-proof your career. We support our employees with unmatched training, development programs, and opportunities for upward mobility. From internships to full-time positions, every role at Coupang is designed to enhance your skills and push the boundaries of what you can achieve.

Be Part of Our Team

Our team at Coupang is composed of passionate, curious, and innovative professionals. We are hiring individuals who are not only looking to advance their careers but also to make a significant impact on the industry. Join us and be part of a team that values creativity and solution-driven mindsets.

Benefits and Culture

Coupang offers a competitive package of benefits that address the diverse needs of our employees. From health and wellness to financial planning, we ensure our team is equipped to lead a balanced life. Experience our culture where work-life balance is not just promised but practiced.

Networking and Professional Development

Networking at Coupang opens doors to expansive career opportunities. Connect with leaders and peers within the company through various networking events and collaborative projects. Our commitment to your career development is reflected in our continuous learning initiatives and professional growth activities.

Explore Job Opportunities

Are you ready to take the next step in your career? Explore the numerous job opportunities at Coupang, from customer service to tech innovation. Check out our current openings and find where your skills and interests align with our needs.

Stay Connected

Keep up to date with the latest at Coupang by following our careers blog. Gain insider perspectives and industry-leading insights that you can apply to your professional life today.

Apply Now

Ready to make a significant impact? Submit your resume, complete your profile, and prepare for an interview where you can showcase your unique abilities. At Coupang, your next great job opportunity awaits.

SEARCH COUPANG JOBS

Join Coupang and be part of a forward-thinking company that prides itself on leadership, innovation, and a commitment to the careers of its employees.
Learn more about Coupang
Market Cap
$27.5 billion
Industry
Founded
2010
5 Year Trend
+61.5%
NASDAQ

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