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Jobs→ディップ株式会社→[Fastest Growth in Design Skills with AI x Domain Design] Backend Engineer Recruitment to Tackle Core Infrastructure and AI Product Development for "Baitoru" and Other Services Used by Millions!

[Fastest Growth in Design Skills with AI x Domain Design] Backend Engineer Recruitment to Tackle Core Infrastructure and AI Product Development for "Baitoru" and Other Services Used by Millions!English summary from Japanese

ディップ株式会社

✓ Detailed
Salary
500万円 〜 800万円
Apply on FINDY

Role summaryEnglish summary from Japanese

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

Join Dip as a Backend Engineer to develop core infrastructure and AI products for services like "Baitoru" used by millions. This role involves evolving existing systems while building new AI-native features, tackling the challenge of replacing a live core system with new technology.

Must-haves

  • 3+ years of experience in web application development/operation using Go, Kotlin, PHP, or Java (excluding maintenance-only roles)
  • Experience in the full development lifecycle: requirements definition, design, implementation, testing, release, and operation
  • Experience decomposing complex business logic into domains and mapping them to data models
  • Ability to design and implement using object-oriented principles (classes, interfaces) with abstraction and responsibility separation
  • Experience learning and reproducing new design patterns (learning reproducibility)

Nice-to-haves

  • Experience or strong interest in DDD (Domain-Driven Design) and Clean Architecture
  • Proven track record of using AI tools like Cursor/Claude Code to improve productivity and quality
  • Experience developing with Kotlin

About the Company

ディップ株式会社

Headquarters
東京都港区六本木3-2-1 六本木グランドタワー31F
Visit Website
Posted8/7/2026
Sourcefindy
  • Experience with Scrum/Agile development, AWS/Google Cloud, or DevOps
  • Knowledge of security, infrastructure, middleware, and communication for Web API development
  • Tech stack

    TypeScriptGoKotlinPHPPythonDDDAI-DLCClaudeClaude CodeCursorGitHub CopilotDevin

    Work style

    Hybrid: Primarily onsite in Tokyo (Yotsuya) with up to 2 days of remote work per week (days may be fixed by team). Core hours are 10:00-15:00.

    Other notes

    Salary: JPY 5,000,000 - 8,000,000 per year. Bonus twice a year. Relocation assistance and visa support are not mentioned.