Jobs at Mercari

The QA Engineer ensures quality in software products through automated testing, collaboration with developers, and implementation of testing best practices.

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.

The Technical Program Manager will oversee program management, enhance operational efficiency through automation, and facilitate cross-border collaboration between India and Japan engineering teams.

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

The Senior Software Engineer will design, develop, and operate APIs, improve services, manage middleware, and support system operations as part of a collaborative engineering culture. Responsibilities include performance tuning, architecture design, and leading software development processes.

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

Manage engineering teams, focusing on recruitment, training, project management, and technical decision support while promoting a strong engineering culture.

Design, develop, and operate APIs; improve services based on user behavior; collaborate on development tasks; ensure system operation and performance.

As a PMO/Program Manager, you will manage program execution across initiatives, ensure tracking, oversight, and alignment across teams for timely delivery of goals.

As a Staff Engineer/Architect, you will design and evolve high-scale distributed systems, set engineering standards, mentor engineers, and lead AI-led delivery efforts to enhance product services.