Software Developer (RC), Jobs in Tokyo, Japan - New Job Opening

Job Description

Career Opportunity for a Software Engineer in Japan! 

■ Software Engineer 

■ Company Overview

An e-commerce, fintech, digital content and communications company with more than 30,000 employees, and operations in 30 countries and regions.

■ Your Role and Responsibilities 

●As a Software Engineer in the team will be required strong direct marketing insight across multiple marketing channels as well as strong technical knowledge to implement user story into the platform and support marketing activity quickly and efficiently.

Responsibilities

●Your main responsibility will be development and maintenance of Data Management Platform understanding both business demand and available system assets.

●Involved in whole process of web application and data pipeline development life cycle: architecture design, middleware selection, development, configuration setting, release and system operation

●In case of trouble, detecting root cause and recovering with team members proactively with ownership of service/system

●Proposing new technologies, middle-wares, tools etc. to improve architecture of systems

■ Experience and Qualifications

●4+ years of professional software engineering with a production-first mindset

●Deep Domain Expertise: Mastery in exactly two of the following areas:

●Backend: Java Spring Boot/Batch, Microservices, and GCP Serverless (Cloud Run/Jobs).

●Frontend: React, TypeScript, and modern web architecture at scale.

●Data Processing: BigQuery, GCP Dataflow, Apache Spark, and large-scale ETL (100+ TB).

●Platform/DevOps: Terraform, CI/CD pipelines, and observability/cost monitoring.

●Core Competencies: High-performance thinking (latency/throughput), architectural judgment, and proficiency with AI productivity tools.

■ Additional Preferred Qualifications
●Practical knowledge of system performance tuning including OS, middleware, JVM and application

●Familiar with container deployment setting (Docker, k8s, Jenkins)

●Experience of Frontend development with TypeScript, React, Material UI

●Experience of data processing with Spark, Kafka

●Contributing to OSS community

■ Good Reasons to Join

● Hybrid position in Japan

● Work with International team members

■ Work Location

Tokyo, Japan

Details will be provided during the meeting.