Mercari, Inc.

Software Engineer, backend

Mercari, Inc.

full-time

Posted on:

Location Type: Hybrid

Location: Minato City • Japan

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Tech Stack

AWSCloudGoGoogle Cloud PlatformMicroservicesNoSQLRDBMS

About the role

  • Collaborate with cross-functional teams including product, engineering, warehouse operators and QA to deliver high-impact features and improvements.
  • Design and implement critical features within a high-volume global platform.
  • Mentor junior engineers, lead code reviews, and actively contribute to architectural decisions and technical documentation.
  • Help to shape the team technical vision and direction by contributing to process and tooling improvements.

Requirements

  • Shared belief in the mission and values of Mercari Group and its various companies
  • Have 3+ years of experience working on large-scale backend systems
  • Project management or team leadership experience
  • Have experience with backend design, development, and operational skills considering the load of large-scale services
  • Experience designing, developing and operating APIs in the Go programming language
  • Have knowledge and experience in data model design and data query to efficiently utilize databases (RDBMS, NoSQL)
  • Have Cloud Computing development experience, especially with GCP or AWS
  • Have development experience in a team using Git / GitHub or similar version control systems
  • Experience developing and operating with Microservices architecture or with Monorepo architectures (preferred)
  • Experience in on-call support of services (preferred)
  • Knowledge of security in web applications (preferred)
  • Experience in integrating development with third parties (preferred)
  • Experience in publishing and contributing to OSS (preferred)
  • Experience with AGILE methodology (preferred)
  • English: Independent (CEFR - B2) required
  • Japanese: Basic (CEFR - A2) optional
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
GoAPI developmentbackend designdata model designdata queryRDBMSNoSQLCloud ComputingGCPAWS
Soft Skills
project managementteam leadershipmentoringcollaborationcommunication