Staff, Security Software Engineer - Coupang Play

Open 61d posting dated 3 weeks ago

Summary

Designs and implements security controls for a large OTT streaming platform, embedding secure coding practices into microservices and cloud infrastructure while leading threat modeling, incident response, and tooling for millions of users.

About Coupang Play

Coupang Play is an OTT video streaming service. We offer a wide range of content, including Original Series, TV Shows, Movies, and Sports.

We are in the business of delivering exceptional storytelling. We produce award-winning scripted and unscripted Original Series, such as “Boyhood”, “Anna”, and “SNL Korea”. We believe Sports can also be elevated by creative storytelling. Play is now an authoritative destination for Sports, broadcasting K-League, La Liga, Bundesliga, F1, NFL, and other leading leagues and tournaments. We also offer some of the latest movies that were just released in local theaters, bringing more exceptional storytelling to our customers.

To ensure that we deliver all content seamlessly, we invest in Engineering, Product, and Design. Coupang Play is available on all mobile devices, tablets, PC, Smart TV, Apple TV, and Android TV. Our teams keep optimizing how customers discover and stream both VOD and Live content. That includes investments in frontend, backend, and infrastructural developments. We also embrace Machine Learning to refine our CX.

We are still very early in our growth stage. If you enjoy solving complex problems using industry-leading technology or unconventional business approaches, please join us. We are building a world-class team of problem-solvers, all dedicated to delivering exceptional storytelling to our customers.

Role Overview

We are seeking a seasoned and technically focused Staff Security Software Engineer to proactively Protect our services and Detect security vulnerabilities in our environment. You will be the security domain expert in our streaming business that serves millions of customers every day. In addition to being a security domain expert, you will design and implement secure software solutions, write production-grade code, and integrate security controls directly into our services and platforms. This role combines hands-on engineering with strategic leadership to embed security best practices across the organization.

What You Will Do

Lead security initiatives and drive continuous improvement in our security posture to protect our critical assets and data from evolving threats.

Subject matter expert for our security technologies, ensuring security is embedded into all phases of our software development lifecycle.

Develop and maintain security-focused libraries, tools, and automation scripts to enforce security standards across services.

Collaborate with engineering teams to implement secure-by-design principles in code, APIs, and infrastructure.

Contribute to code reviews with a focus on identifying and remediating security vulnerabilities.

Actively partner with software, platform engineers, and Coupang Infosec to define, document, and enforce security policies, standards, and procedures. Drive adoption of security best practices through hands-on implementation and mentorship.

Conduct security threat modeling for new and existing applications.

Evaluate, recommend, and implement security and governance tools.

Lead penetration testing and vulnerability assessments.

Act as a lead responder for security incidents, performing detailed analysis and forensic investigations.

Basic Qualifications

Bachelor's or master's degree in computer science, Information Security, or a related field, or equivalent practical experience

Strong software engineering skills with experience in building secure applications and services

Ability to write, review, and optimize code with security in mind (e.g., secure coding patterns, input validation, encryption)

Strong understanding of cryptography, PKI, secure authentication protocols, and authN/authZ in microservices environment

Expertise in network security (e.g., firewalls, VPNs, WAFs, micro-segmentation)

Expertise in security guardrails and tools integration into daily design/coding tasks and CI/CD pipelines

Proficient in securing services operating in a major cloud provider (AWS, Azure, or GCP)

Proficiency in at least one scripting language (Python or Bash) and one general-purpose programming language (Go or Java) for automation and tool development

Exceptional written and verbal communication skills, with the ability to articulate complex security risks to technical and non-technical audiences

Proven ability to lead projects, manage priorities, and meet deadlines

Preferred Qualifications

Experience contributing to open-source security tools or frameworks

Ability to speak and write in English in a professional environment

AWS Certified Security – Specialty or equivalent from Azure/GCP

Recruitment Process and Others

Recruitment Process

Application Review - 1st Interview - 2nd Tech Interview - Leadership 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 will be prioritizing applicants who have a current right to work in Singapore and do not require company sponsorship for an employment visa.
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.
Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer.
Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met.
This is a full-time regular position and includes 12 weeks of probation period; provided, however, the probationary period may be either skipped, shortened or extended if necessary for business purposes.

Privacy Notice

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

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What this application asks

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First Name, Last Name, Email, Phone, Resume/CV, Cover Letter, Location

LinkedIn Profile optional
Coupang Corporation or its affiliates and subsidiaries* (collectively referred to as “Coupang”) does not collect or use any personal information other than the types of information specified in this Consent. Please ensure that your resume does not include any personal information other than the types specified in this Consent. choose one
1. What is your nationality? choose one
2. Do you now or in the future require visa sponsorship in order to accept employment in Singapore? choose one
1. (Required) By submitting your resume, you consent to the required collection and use, required provision, and consignment as set forth in our Privacy Policy(https://privacy.coupang.com/en/land/jobs/). choose one
2. (Optional) Name, contact information, email address, nationality, educational background, work experience, qualifications, national merit status (for special hiring program applicants only), relative’s name/relationship/team and application history are collected and used on an ongoing basis for recruitment purposes and may be provided to any of our affiliates and subsidiaries*, other than the company to which you originally applied, for the purpose of reviewing and conducting recruitment for similar positions. Personal information collected and provided will be retained for the duration of the year-round recruitment retention period defined in the Privacy Policy. You may refuse to provide consent, but such refusal may prevent you from applying. choose one
3. (Optional) Recordings of the interview process and transcriptions of interview audio maybe collected and used for the following purposes: i) to record the interview process, ii) to transcribe and document interview audio, iii) to summarize interview results, iv) to verify the interview process and evaluation results, v) to improve the hiring procedures, vi) to check candidate fitment for other open positions, vii) to review past interview records. Collected personal information are retained for 4 years from the notification of hiring result, and then deleted. You may refuse to provide this consent, and refusal will not affect the recruitment process. choose one
4. (Optional) Coupang and its affiliate or subsidiary company* will send recruitment notifications through various forms of communication, such as phone, email, and SMS, using the contact information and email address provided by you with the consent. choose one
5. (Required) Name, email address, and Social Security Number are provided to AIM Screening Limited for the purpose of (i) education verification, (ii) qualification verification, (iii) Work experience verifications and reference checks, (iv) Credit verifications, including bankruptcy and insolvency checks and investigations into insolvency registers, (v) Directorship checks to verify whether the applicant is a registered executive or shareholder of other businesses, (vi) Identity verification to check whether the applicant is an internationally sanctioned individual, (vii) Passport verification, (viii) Social media and social network service background checks, (ix) Adverse media checks against broadcast media, blogs, and online posts, (x) criminal background checks, and (xi) drug test history check. Provided personal information are destroyed upon achieving the purpose. You may refuse to provide consent, but such refusal may prevent you from applying. choose one
6. The collected information will be transferred to whichever Coupang affiliate or subsidiary company* that the applicant applied to for the recruitment procedure, and the applicant’s information may be transferred overseas in the process. The personal information is transmitted using a secure method and is retained for the retention period specified in the required consent #1. Information transferred overseas in accordance with the consent will enjoy the same level of protection as Singapore PDPA. You have the right to refuse to provide consent, but refusal may prevent you from applying. choose one
1. I understand that working with Relatives in the Coupang group of companies (collectively, the "Coupang Group") -- where they can influence each other’s work -- can potentially create conflicts of interest. Therefore, such a situation requires prior approval from the People Operations. In view of the above, I hereby confirm that I DO NOT have any Relatives working in any company within the Coupang Group or serving on the Board of Directors of any company within the Coupang Group; choose one
- Name of Relative(s): optional
- Relationship: optional
- Working Org / Team: optional
You have the choice to access, correct/update, delete, suspend the processing, and suspend the transfer of your personal information that Coupang holds. Exercising certain choices, such as deletion of personal information, may result in the restriction of the hiring process. choose one
Document Policy choose one

Staff, Security Software Engineer - Coupang Play

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