Coupang

Staff, Security Software Engineer - Coupang Play

Coupang
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21 days ago
Seoul, Korea, SouthStaff+

Responsibilities

  • Lead security initiatives to protect critical assets and data and continuously improve the organization’s security posture.
  • Act as a security subject-matter expert across the software development lifecycle and promote secure-by-design practices.
  • Develop and maintain security-focused libraries, tools, and automation scripts to enforce security standards across services.
  • Collaborate with engineering and platform teams on secure code, API, and infrastructure design and participate in code reviews.
  • Define, document, and enforce security policies, standards, and procedures with software, platform, and Infosec teams.
  • Perform threat modeling for new and existing applications and evaluate, recommend, and adopt security and governance tools.
  • Lead penetration testing and vulnerability assessments.
  • Lead security incident response, including detailed analysis and forensic investigations.
  • Mentor engineers and drive the adoption of security best practices across the organization.

Requirements

  • Bachelor’s or master’s degree in computer science, information security, or a related field, or equivalent practical experience.
  • Strong software engineering skills and experience building secure applications and services.
  • Ability to write, review, and optimize security-conscious code using secure coding patterns, input validation, and encryption.
  • Deep understanding of cryptography, PKI, secure authentication protocols, and authentication and authorization in microservices environments.
  • Expertise in network security, including firewalls, VPNs, WAFs, and microsegmentation.
  • Experience integrating security guardrails and tools into software design, coding activities, and CI/CD pipelines.
  • Experience securing services operated on AWS, Azure, and GCP.
  • Proficiency in at least one scripting language, such as Python or Bash, and one general-purpose programming language, such as Go or Java.
  • Strong documentation and communication skills, including the ability to explain complex security risks to technical and nontechnical audiences.
  • Ability to lead projects and manage priorities.
  • Preferred qualifications include contributions to open-source security tools or frameworks, professional English communication skills, and AWS Certified Security – Specialty or an equivalent Azure/GCP certification.

Benefits

  • All interviews are conducted remotely.
  • The hiring process consists of application review, first interview, second technical interview, leadership interview, and final decision.
  • The posting may close early once recruitment is completed.
Coupang

About Coupang

5,001-10,000 employees

Coupang builds and operates a South Korea–focused e-commerce marketplace with an end-to-end logistics network (Rocket Delivery), plus food delivery, video streaming, and fintech under brands such as Coupang, Eats, and Play. Revenue comes from first-party retail, third-party marketplace services, advertising, and memberships (Rocket WOW). Founded in 2010, the company is headquartered in Seattle and is publicly listed on the NYSE (CPNG).

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