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Jobs→クラシル株式会社→[Kurashiru] Seeking Backend Engineers (Tech Lead) to Evolve Kurashiru's Economy, Japan's Largest toC App with Over 44 Million Downloads!

[Kurashiru] Seeking Backend Engineers (Tech Lead) to Evolve Kurashiru's Economy, Japan's Largest toC App with Over 44 Million Downloads!English summary from Japanese

クラシル株式会社

✓ Detailed
Salary
950万円 〜
Apply on FINDY

Role summaryEnglish summary from Japanese

English summary for screening — check the original posting before applying.

Kurashiru is seeking Backend Engineers (Tech Lead) to enhance its economy features. The role involves contributing to product growth through feature development, resolving technical challenges, and driving AI utilization in backend development. Long-term responsibilities include designing technical strategies across businesses and managing backend organizations.

Must-haves

  • 5+ years of backend development/operations experience for web/mobile apps
  • Experience leading product development through re-architecture and performance improvements
  • Experience with AI-driven development using tools like Claude Code

Nice-to-haves

  • Experience in areas outside backend, such as frontend or infrastructure
  • Experience managing engineering organizations
  • Experience promoting AI utilization and adoption within products

Tech stack

Ruby 3.4Rails 8.1MySQLTerraformAmazon CloudWatch

About the Company

クラシル株式会社

Visit Website
Posted8/26/2026
Sourcefindy
Datadog
Sentry
AWS (ECS, RDS, ElastiCache, DynamoDB, SQS, S3, Lambda)
React
TypeScript
Snowflake
dbt
Lightdash
Athena
Google Analytics
GitHub Actions
CodePipeline
CodeBuild
Claude Code
Codex
Cursor
Amazon Bedrock
Devin
Gemini
NotebookLM

Work style

Hybrid: Primarily 5 days in office, with 2 days remote possible (Wed/Fri) depending on the department. Family remote options available under certain conditions for childcare/nursing care.

Other notes

Annual salary: ¥9,500,000 ~