Backend Engineer - Streaming Architecture Group, Entertainment Service Development Department (ESDD)

Job Description

Department Overview

The Streaming Architecture Group is responsible for the development support, operation, and maintenance of the video platforms used across Rakuten, including our shared video infrastructure (Video Platform & Video Studio) and individual services such as Rakuten TV, R-Channel, and Rakuten Dragon.

We are a department that oversees all aspects of video services in collaboration with each respective team.

We are involved in the operation and support of numerous video distribution platforms, covering a wide range of responsibilities from providing system construction support for VOD and live streaming to optimizing CDNs.

Position:

Why We Hire

We are currently rebuilding our Video Platform as its usage continues to expand, and we are seeking a backend engineer to assist with this development and its future operations. Additionally, this recruitment is driven by the need to strengthen our support structure for various services, including the video platform.

Position Details

The specific responsibilities are as follows:

• Backend development using PHP/Java
• Programming, testing, and performance tuning
• Utilizing AI to reduce man-hours and improve quality
• Operation and maintenance of the video distribution platform
• Development and operation in container environments using Docker/Kubernetes
• Investigating and responding to internal inquiries and system incidents
• Selection of technologies applicable to services and support through to implementation
• Cost reduction, stability improvement, and feature additions.

While team communication is primarily in Japanese, there are cases where English is used, such as when communicating with overseas vendors.

Work Environment

The current team consists of four members.

The team is composed of members with backgrounds in the streaming industry, as well as infrastructure and application engineering.

Video Platform

Languages

Currently using PHP + Laravel, but we are in the process of migrating to Java + Spring Boot.

Infrastructure

Applications Infrastructure

• One Cloud (CaaS, RIaaS, MariaDB, etc.)

Streaming Infrastructure

• AWS Media Services (MediaLive, MediaPackage, MediaConvert, etc.)

Mandatory Qualifications

• 5+ years of backend development experience in any programming language
• Experience with relational databases (SQL, performance tuning, etc.)
• Experience in development and operation within container environments using Docker/Kubernetes
• Experience in designing and developing RESTful APIs
• Japanese proficiency (reading, writing, and daily conversation)

Desired Qualifications

• Interest in or operational experience with streaming platforms
• Development experience with PHP (Laravel) or Java (Spring Boot)
• Japanese proficiency (business level)

Other Information:

Additional information on Location

Shinjuku Eastside Square

Additional information on English Qualification

TOEIC score of 800 or higher, or equivalent proficiency.

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