Job Description

Business Overview

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.

Department Overview

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.

Position:

Why We Hire

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.

Position Details

- 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.

Mandatory Qualifications:

- 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.  

Desired Qualifications:

- 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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