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Technical Writer - Ecosystem Platform Enablement Department (EPED)

Tokyo, Japan💼 Full-time🗓 2026-06-04 → 2026-07-31

Core

Create technical documentation and sales enablement materials to bridge product teams and clients for Rakuten's ecosystem platforms.

Role type

Technical Writer (Ecosystem Platform Enablement)

Builds

User manuals, quick start guides, product specifications, developer onboarding materials, sales one-pagers, value-proposition decks, and technical capability summaries.

Domain

SaaS, API-driven platforms, complex enterprise ecosystems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Technical writing for SaaS/API platforms, creating deep-dive technical docs and client-facing sales pitches, defining documentation standards and style guides, project management, liaising between product/marketing/sales and clients, mentoring product teams, utilizing AI-assisted tools for content generation, digesting complex system architectures

Preferred skills

Documentation as Code (Markdown, Git/GitHub, Hugo, Docusaurus), product operations or DevRel background, proficiency with Jira/Confluence/process mapping, visual storytelling (PowerPoint/Keynote, Figma, Lucidchart, Draw.io), metrics-driven documentation impact analysis, prior experience in product management/project management/engineering

Technologies

Markdown, Git, GitHub, Hugo, Docusaurus, Jira, Confluence, PowerPoint, Keynote, Figma, Lucidchart, Draw.io

Responsibilities

Develop and maintain technical documents including user manuals and developer onboarding materials; Draft and refine high-impact sales materials and value-proposition decks; Translate complex technical features into business-value narratives for non-technical stakeholders; Define and implement documentation structures, templates, and style guides; Manage technical writing initiatives including planning and scheduling; Act as a liaison between product teams, marketing/sales, and clients; Provide guidance to product teams on documentation best practices; Continuously improve documentation processes and AI-assisted workflows

Seniority

Mid-level (3+ years experience)

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