Teams at Mercari

Design, build, and operate Mercari's observability platform (metrics, logs, traces, alerting). Improve MTTD/MTTM, create self-service tooling, implement SLO frameworks, automate workflows, and build AI-powered detection and incident response. Collaborate across platform, SRE, security, and product teams while mentoring engineers and driving technical decisions.

Develop and maintain full-stack web applications, lead technical planning, mentor junior engineers, and optimize application performance within a collaborative team environment.

Develop and maintain ML systems for Mercari's marketplace app, focusing on recommendation algorithms, collaborating with teams, and utilizing cloud infrastructure.