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Tailor

Headless ERP platform for omnichannel retail

SDK Engineer

Backend EngineeringUpdated on Nov 13
Full-timeTokyo, Japan¥7M - ¥30M

About the Job

Requirements

  • Experience developing with TypeScript.
  • Experience designing interfaces using the TypeScript type system.
  • Experience developing developer-facing tools such as SDKs.
  • Experience contributing to open-source software.

Responsibilities

  • Design and develop the TypeScript SDK for using Tailor Platform.
  • Design declarative service-configuration interfaces using the TypeScript type system.
  • Design and develop developer tooling, including bundling processes using tools such as rolldown and a CLI.
  • Provide intuitive, easy-to-use API and type designs for developers.
  • Define SDK structure, naming, and abstractions that are easy for Coding Agents to use.
  • Optimize the frontend development experience in coordination with AppShell.
  • Improve Tailor Platform APIs and provide feedback through SDK design.
  • Improve the quality of the SDK as open-source software and foster a developer community.

Desired Qualifications

  • Experience developing frontend applications with React or Vite.
  • Experience with backend development, including API or data model design.
  • Understanding of the internals of connected runtimes such as Node.js.
  • Experience developing plugins for bundlers or linters.
  • Experience designing SDKs and managing versioning and compatibility.
  • Experience developing with AI or large language models.
  • Experience using Coding Agents such as Copilot, Cursor, or custom agents.
  • English ability at CEFR B1 or higher; some role assignments may require English written communication (reading and writing), but language ability is not a knockout criterion.

About the Company

Tailor

Headless ERP platform for omnichannel retail

Tailor provides a headless ERP platform for modern retail and e‑commerce brands. It runs as a composable, API‑first backend that handles inventory, supply chain, purchasing, production, accounting, and omnichannel orders, while the frontend is decoupled and can use Tailor’s modules or custom interfaces; it also integrates with 50+ tools via APIs/GraphQL. Unlike monolithic ERP systems, Tailor offers a lightweight, flexible headless architecture for DTC and B2B brands with light manufacturing, enabling rapid customization and easy tool connections. Its goal is to help fast-growing retailers automate operations and adapt quickly to market changes, with plans to expand in North America and continue product development including AI features.

Company size
201-500
Company stage
Series A
Total funding
$30.7M
Headquarters
Tokyo, Japan
Founded
2021

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