[Mercari] Expand to 50 Countries in 3 Years! Lead the Refresh of Our Payment Infrastructure | Senior Software Engineer, backendEnglish summary from Japanese

Must-haves

• 3+ years of experience in web application or backend system development/operation.
• 1+ year of development lead experience (technical evaluation, architecture design, project promotion, mentoring).
• Experience with large-scale distributed systems or databases (RDB/NoSQL/NewSQL).
• Skills in DB schema design, efficient data modeling, and creation.
• Experience in web application operation/tuning and knowledge of security.
• Experience in software architecture design and middleware evaluation.
• Ability to collaborate with stakeholders, organize challenges, and focus on technical solutions.
• Proactive in improving team productivity using generative AI.
• Ability to define and drive development with ownership even for challenging issues.

Nice-to-haves