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.

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 quality engineering across mobile, web, API and backend systems by defining test strategies, building scalable automation frameworks, applying AI-powered testing, driving functional and non-functional tests, strengthening CI/CD quality gates, analyzing metrics, mentoring teams, and improving QA processes throughout the product lifecycle.

12-month contract HR Operations role managing end-to-end employee lifecycle (onboarding, exits, transfers), HRIS data and reporting, payroll and benefits coordination, compliance and audits, vendor and stakeholder management, employee query resolution, policy documentation, and process improvements with automation/AI.

Design, implement, deploy, and maintain large-scale recommendation and ML systems. Perform data analysis, experimentation (A/B testing), collaborate with product teams, monitor production systems, and apply MLOps practices using cloud and Kubernetes.