Coupang

Staff Backend Engineer ( Cassandra)

Coupang$138K — $297K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 4+ years industry experience with distributed systems and backend development, primarily in Cassandra.
  • Solid expertise in algorithms and system design for large-scale distributed systems.
  • Bachelor's degree in Computer Science or equivalent is required.
  • Expert-level knowledge of Cassandra configuration and operation is preferred.
  • Experience with AWS technologies and database management is a plus.
  • Excellent debugging skills and understanding of service scalability and latency.

Responsibilities

  • Develop features to enhance system availability and performance.
  • Solve complex technical problems by diving deep into the system.
  • Participate in daily operations addressing system issues and customer queries.
  • Identify reliability and performance issues, proposing industry-best solutions.
  • Collaborate with management to define technical and project roadmaps.
  • Work with other tech teams to adapt services to business growth needs.
  • Facilitate high-level communication with senior management and stakeholders.

Benefits

  • Medical, dental, vision, life, and AD&D insurance.
  • Flexible Spending Accounts (FSA) and Health Savings Account (HSA).
  • Long-term and short-term disability insurance.
  • Employee Assistance Program (EAP).
  • 401K plan with company match.
  • Generous Paid Time Off (18-21 days per year based on tenure).
  • 12 paid holidays and paid parental leave.
  • Pre-tax commuter benefits, including electric car charging stations.
Full Job Description
We exist to wow our customers. We know we're 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, we're 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 what's 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

The Coupang Corner Stone team in the application infrastructure organization, takes charge of company-wide transaction data storage and common data service layer to materialize e-commerce data for low latency reading. The Storage and Tools team owns the storage services like Cassandra, Elastic Search, MySQL, Vitess and Clickhouse, providing storage services through in-house hosted open-source technology.

We are looking for software development engineers with Cassandra experience. As a Staff Engineer, you are the domain expert in Cassandra to handle the Cassandra usage problem, Cassandra performance optimization, Cassandra cluster setup, and Cassandra client SDK development. Besides that, you are the Go-To person when the domain team needs to make the storage solution chosen, and provide Cassandra based storage solutions to meet business requirements.

What You Will Do
  • Hand on to develop the features to enhance the system availability, disaster recovery and performance enhancement
  • Dive deep into the system and fix complex technical problems.
  • Participate in the daily system operation to address system issues and answer customers' questions.
  • Identify the system's reliability and performance issues and propose solutions with the best industry practice.
  • Work with the team manager to define the tech and project road map.
  • Collaborate with other Coupang tech teams to make the service extensible to support business growth
  • Drive communication up to Principal Engineer and Senior director level.
  • Advocate engineer excellence and operation excellence with the team
  • Hire and develop team members with knowledge sharing and high-quality interviews.


Minimum Qualifications
  • 4 years of relevant industry experience with distributed systems, system programming and backend development with Cassandra expertise.
  • 4 years of solid work with fundamental algorithms, system design, and large distributed systems.
  • Bachelor's degree in Computer Science or equivalent

Preferred Qualifications
  • Bachelor's degree in computer science, Engineering, or related field
  • Expert in Cassandra configuration, usage and operation
  • Work as Platform or infrastructure engineer on database or storage services
  • Familiar with AWS technology
  • Solid system and code debugging skills
  • Deep understanding in service availability, scalability, and latency.
  • Excellent communication skills in English including verbal and written
  • Have experience on TiDB management is a plus
  • At least 6+ years working experience on software design & development experience on distributed system and experience developing large scale enterprise


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 $138,000/year in our lowest geographic market to $297,000/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
  • 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.

Coupang 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 [email protected].

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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