English summary for screening — check the original posting before applying.
Mercari is seeking Backend Engineers to modernize their large monolith architecture. You will be responsible for migrating PHP-based APIs to Go, supporting PHP teams, and ensuring the stability of existing PHP services through on-call rotations.
Must-haves
- Experience as a backend engineer for mission-critical services.
- Experience with on-call rotations for high-traffic backend systems, focusing on reliability and stability.
- Strong communication skills for coordinating with related teams during migration.
- Understanding of Mercari's technical direction and contributing to service growth and scalability.
Nice-to-haves
- Ability to analyze and understand the history and evolution of legacy codebases and resources ('code archaeology').
- Proficiency in implementing and maintaining observability for large monolith systems to ensure service reliability.
Tech stack
PHPGoKubernetesTerraformGoogle Cloud PlatformAmazon Web ServicesgRPCGraphQLGitHub ActionsDatadog
Work style
Onsite, Tokyo (Roppongi). Flexible working hours with no core time.
Other notes
Annual salary range: 9,200,000 JPY - 14,000,000 JPY. Relocation, language learning, and translation/interpretation support available.