コンピュータサイエンス関連の学士号と、バックエンドまたはデータエンジニアリング分野での3〜5年以上の実務経験が必須です。データ構造、アルゴリズム、OS、ネットワークに関する深い知識に加え、Hadoop、Spark、Flinkのいずれかのフレームワークの実務経験が求められます。数百万人が利用する検索システムのパフォーマンス最適化と安定性向上、検索エンジン向けのオフラインデータサポート、およびアーキテクチャのガバナンス管理を担当します。
Rakuten Group, Inc. is the largest e-Commerce company in Japan, and provides a variety of services in e-commerce, fintech, digital content and communications to many users all over the world.
Search Department focuses on Search, Discovery, and Navigation experience for users of Rakuten. We design, develop, and deploy high performance, fault-tolerant distributed systems used by millions of Rakuten customers every day. We strive to deliver the most innovative solutions that are helpful to people and societies around the world.
We are looking for a senior backend software engineer to work on core search system development. The role will build the state-of-the-art search systems, propelling the fast iteration of search development.
Support fast iterations of Rakuten search business and further enable the product growth.
Build a fast and robust Search product by keeping optimizing system performance and improving service stability.
Construct a high freshness index and provide a reliable offline data support for Search Engine.
Guarantee reasonable Search architecture governance to ensure that the overall system operates smoothly.
BS degree in Computer Science, Computer Engineering, or other relevant majors with minimum 3-5 years of experience in either backend service development or data engineering domain.
Strong programming skills and solid knowledge in data structure and algorithm.
Good understanding of operating system and networking concepts.
Hands-on experience with at least one data processing framework (e.g., Hadoop, Spark, Flink, etc)
Knowledge in database (be it relational or KV-like) is a plus.
A strong problem-solving mindset and good communication skills.
Self-motivated and a team player.
Good understanding on how modern Search system is built or/and how modern Search product should be evolved.
Industry experience in building a consumer-facing Search product.
Japanese speaking and reading capability is good to have.
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