This position is closed and is no longer accepting applications.

Senior Backend Engineer

CADDi Taito-ku, Tokyo
    💴 ¥5M ~ ¥12M annually
    🏡 Fully remote
    🧪 5+ years experience required
    💬 No Japanese required
    🌏 Apply from abroad
    🧳 Relocate to Japan

About CADDi

CADDi Taito-ku, Tokyo

CADDi makes enterprise software for the manufacturing industry.

Key benefits

  • Small teams using Scrum
  • Fully remote or visit office
  • An increasingly international team

About the position

On the backend, we use a combination of Rust (Tokio, tonic, Diesel), Kotlin (Micronaut, Exposed), and Node.js (Express, NestJS).

In this role, you’ll

  • Design and implementation of backend systems for systems used by CADDi’s operation team, clients and their suppliers
  • Selection and verification of middleware, frameworks and other technologies
  • Architectural design of the entire backend system
  • System improvements based on various qualitative and quantitative research (user surveys, log analysis, inquiry analysis, etc.)
  • Algorithm, interface design with frontend

The applications you might be working on include

  • Manufacturing cost estimation system
  • Manufacturing supply chain management system
  • Technical drawing management system
  • Products for manufacturing partner collaboration
  • And other new products in the future!


  • An understanding our mission to unleash the potential of manufacturing
  • 5+ years experience developing backend systems for web applications
  • General knowledge of data structures and algorithms
  • Experience with relational databases
  • Experience with more than two programming languages (including frontend)
  • Familiarity with development using public cloud services such as AWS, GCP, Azure
  • Experience developing in a team using Git/GitHub

Nice to haves

These aren’t required, but be sure to mention them in your application if you have them.

  • Experience with statically typed languages incorporating functional paradigms such as Rust, Scala, etc.
  • Hands-on experience designing, developing and operating microservices
  • Hands-on experience developing websites with consideration of security requirements
  • Hands-on experience designing and developing large-scale services
  • Proficiency with container technologies such as Docker
  • Hands-on experience operating services using Kubernetes
  • Experience with BFF and GraphQL servers
  • Understanding of user-facing frontend development


5 to 12 million JPY annually.

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