Coupang

[L6-2] Staff Back-end Engineer (Security Infrastructure)

Coupang$164K — $282K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Electrical Engineering, or related field
  • 6 years of backend software development experience
  • Experience in cloud environments, especially AWS
  • Proven track record of building and maintaining distributed systems
  • Preferred: Master's or PhD in a technical field
  • Preferred: Knowledge of security protocols such as OIDC and OAuth2
  • Preferred: Experience with CI/CD pipelines and Infrastructure as Code

Responsibilities

  • Develop and iterate on IAM platforms collaboratively
  • Partner with internal teams to understand their technical needs
  • Identify technical solutions balancing strategic goals with immediate impact
  • Architect and design robust, scalable systems
  • Hands-on development of critical infrastructure components
  • Write back-end APIs in Java and Go using standard frameworks
  • Drive platform adoption and prioritize tasks across teams

Benefits

  • Medical/Dental/Vision/Life insurance
  • Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
  • Long-term/Short-term Disability insurance
  • Employee Assistance Program (EAP)
  • 401K Plan with Company Match
  • 18-21 days Paid Time Off (PTO) annually based on tenure
  • 12 Public Holidays
  • Paid Parental leave
  • Pre-tax commuter benefits
  • Electric Car Charging Station available
Full Job Description
Role Overview

As a Staff Engineer on the Security Infrastructure team, you will build the platform that enables Coupang to win and grow our customers' confidence while rapidly expanding and scaling our services.

The Security Infrastructure team builds core security services and libraries used by all Coupang services to secure themselves and our customers. Our work supports teams across Coupang and thousands of microservices. We aim to make Coupang and its products more secure while also making our engineers more productive. Our responsibilities include building Identity and Access Management (IAM) functionality for our entire ecosystem of vendors, sellers and shoppers.

We are looking for engineers who are passionate about building platforms at scale, with emphasis on usability, reliability and efficiency. You will work on adding features to our authentication and authorization platforms, and deeply integrating them with Coupang's service infrastructure. The successful candidate will be a well-rounded engineer who balances strategic and design thinking with attention to detail in implementation and operations. If that sounds like you, come join us!

What You Will Do
  • Develop our IAM platforms and rapidly iterate while collaborating actively as part of a small, highly talented team
  • Partner with teams across the company to understand their current needs and future direction
  • Think systematically to identify technical solutions, balancing strategic goals and immediate impact
  • Demonstrate excellence in architecture and design, resulting in robust and scalable systems
  • Hands-on develop critical infrastructure components
  • Write back-end APIs in Java and Go, using industry-standard frameworks
  • Work across teams to drive platform adoption, helping teams prioritize ruthlessly and "move with urgency"
  • Dive deep into critical system issues, constantly raising the bar on Operational Excellence
  • Serve as a role model for other engineers and shape our team culture

Basic Qualifications
  • Bachelor's degree in Computer Science, Electrical Engineering, Math, or a closely related field
  • 6 years of experience in backend software development
  • Experience working in cloud environments, particularly AWS
  • Demonstrated experience in building and maintaining highly available, distributed systems

Preferred Qualifications
  • Masters or PhD degree in computer science or other related technical field
  • Working knowledge of security protocols such as OIDC and OAuth2
  • Working knowledge of IAM systems such as identity providers and role based authorization
  • Experience working with Kubernetes, gRPC and Istio
  • Experience building high-reliability and low-latency systems in the Cloud
  • Experience with CI/CD pipelines and Infrastructure as Code
  • Fluent in one or more of C++, Java and Go
  • Recent hands-on experience designing and developing large scale distributed systems
  • Experience with cloud computing using AWS, Azure or GCP
  • Deep understanding of Cloud applications design and architecture, good API design patterns, performance and scale

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 $164,00/year to $282,000/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
  • 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
  • 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/

Job Requisition ID: R0069308

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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