Senior Web Engineer - Streaming Player (Coupang Play)

About Coupang Play

Launched in December 2020, Coupang Play is Coupang's OTT (over-the-top) service. Coupang Play aims to become the definitive destination for digital content. Backed by our strong Product and Engineering teams in Seoul, Singapore, and Mountain View — Coupang Play has been creating and optimizing the viewing experience for our customers.

Coupang Play is available on mobile devices, tablet PCs, smart TVs, and your preferred browsers. We are building a competitive content library that includes TV for children and all ages, movies, live sports, educational content, and more. Coupang Play also creates original content, catered specifically to our customers.

If you like to work backwards and solve problems for our customers, join us. We are committed to redefining how our customers enjoy digital entertainment as one of the fastest-growing OTT services in Korea.

Role Overview

As a senior web engineer on the player team, you are responsible for delivering best-in-class web/smart TV players and securing the stream through DRM.

What you will do

• Design and implement video playback features and improve the quality of streaming, such as latency and error rate
• Implement robust DRM measures for streaming, covering both video on demand (VoD) and live sports streaming
• Work cross-functionally with the encoding and product teams to provide users with the best streaming quality and user experiences
• Define and monitor real-time streaming metrics at high-profile live streaming events, and give technical guidance to live operation teams

Basic Qualifications

• Bachelor’s degree and 5+ years of professional software development experience with strong Javascript and Typescript skills
• Expertise in video streaming players such as video.js, dash.js, or hls.js
• Expertise in digital rights management (DRM) such as Widevine and Fairplay
• Experience with A/B testing and streaming quality metrics (QOE) analysis
• Ability to design scalable architecture, to write clean, testable, efficient code, and to measure performance
• Strong verbal and written communication and collaboration skills

Preferred Qualifications

• Experience with media codecs (AAC, AVC, HEVC, or AV1) and streaming protocols (HLS, DASH)
• Understanding of security foundations, such as cryptography, authentication, and authorization
• Experience with web security and network security

Recruitment Process and Others   

Recruitment Process   

• Application Review - 1st round Tech Interview - 2nd round Tech 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.  
• Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.  
• 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.  

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/en/privacy-policy/  

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