Jobs 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.

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

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

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.

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

Lead and develop engineering managers across multiple teams, own org design and multi-quarter engineering strategy, ensure delivery/operational health, drive resourcing and budget decisions, represent engineering in senior cross-functional forums, and build a leadership pipeline for a large-scale consumer product organization.

Lead end-to-end technical recruiting for engineering roles across Backend, Frontend, Mobile, Infrastructure, Security, Data, AI/ML and Product. Partner with hiring managers, build sourcing pipelines, manage candidate experience, advise stakeholders, track recruiting metrics, and drive process and employer-brand improvements.

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.

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