CareerPlan

Search Service Engineer, Booking Services Search Group - Search Department (SED)

Tokyo, JapanFull-time2026-11-02 → 2026-11-12

Core

Deploy and maintain a distributed Search platform for e-commerce and online travel agencies, customizing in-house search solutions to meet business requirements.

Role type

Senior IC Search Service Engineer

Builds

Mission-critical search services for Rakuten ecosystem businesses

Domain

E-commerce and Travel

Deliverable

production ML models

Required skills

Java, Python, Solr, Elastic, CI/CD, test automation, production deployment, troubleshooting

Preferred skills

performance testing, LTR, Semantic Search, e-commerce search, travel context search

Technologies

Jenkins, Gatling, Locust, K6

Responsibilities

Deliver search services and customize the in-house platform; Collaborate with product managers and engineers to develop solutions; Report and resolve defects; Drive process improvement via automation and data insights; Review code and support production deployments and troubleshooting.