Senior Software Engineer (Tech Lead) - Ad Product Section, Global Ad Technology Supervisory Department (GATD)

Location: Tokyo, Japan

Time Type: Full time

Job Description

Job Description:

Department Overview

Rakuten is a leading global e-commerce company. Our mission is to contribute to society by creating value through innovation and entrepreneurship

At Rakuten, we drive disruptive innovation, engaging knowledge, creativity and passion from around the world to achieve ambitious goals and help build communities in which people can pursue their dreams and live in happiness.

Ad Product Section boasts a highly motivated, skilled, talented, and friendly team spread across Tokyo, Singapore, India, and China. We are looking for someone who can quickly integrate and collaborate effectively with our team.

We are seeking a dynamic full-stack software engineer to take on technical ownership and responsibilities throughout the product and project development lifecycle. The ideal candidate will possess the ability to solve a wide range of technical and business challenges. We are looking for a tech-savvy individual who is unafraid to step out of their comfort zone and explore new technologies.

Position:

Position Details

This role offers the opportunity to build a robust tech career by developing multiple products within Rakuten's expansive ecosystem and innovative technology cluster.

Roles and Responsibilities

1) Project Execution

- Requirement gathering and analysis

- Convert business requirement to tech requirement

- System design

- Coding and implementation

- Code review and maintain code quality/standard

- Unit testing, verification, validation

- Deployment/Rollback operation for DEV, STG, PROD

- After-release monitoring, regular maintenance

2) Collaboration

- Working closely with the project manager, tech lead, architect and other project members

- Collaborate with a separate QA team and DevOps team

- Collaborate with cross-culture, cross-border development team during the project execution

3) Always Improve, Always Advance

- Understand the whole product and system and suggest the technical improvements

- Understand the future business and product needs and suggest system improvement in advance

- Think one step ahead, verify up-coming technology and prepare roadmaps to utilize those

Mandatory Qualifications:

- More than 7 years of hands-on software development experience as a Software Engineer

- Strong technical design and implementation skill

- Strong analytical and problem-solving skill

- Complete and hands-on experience of Agile development and SCRUM

- Team player and easy going person

- Proactive, self-starter and self-motivated

- Perform under immense pressure

- Good communication skills with tech/non-tech people

- Strong get-things-done mind with a sense of ownership

- Experience using AI tool like Cursor to improve the code quality and productivity

Technical

- Java spring (Boot+Batch)

- MySQL

- NoSQL (MongoDB)

- GCS, BigQuery, Dataproc

- Kafka

- Version Control - Git

- Jira or similar project and task management tool

Desired Qualifications:

Technical

- Big Data (Hadoop, Hive, Spark)

- REACT, ANGULAR

- NoSQL (Couchbase, Cassandra, Redis)

- Big Data (Tez, Presto)

- Test Automation JUnit

- Code Quality - Sonar

- Streaming platform - Kafka, RabbitMQ

- CI/CD - Jenkins

- BI Tool - MicroStrategy, Tableau

- The experience about enterprise system architecture design such as data pipeline design

Other Information:

Additional information on Location
Futako Tamagawa Rise Office

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