Japanese Editor＆Translator｜編集、翻訳、マーケティング、PRの3年以上の経験、B2B経験歓迎。

Summary
Custom Media is an award-winning, full-service B2B agency that connects Japan with the world, delivering data-driven, creative marketing solutions to help our clients in revolutionary industries—AI, Clean Energy, Fintech, Healthcare, Manufacturing and Technology—shape the future.
Our mission is to empower industries at the forefront of sustainable change to succeed in Japan by creating meaningful connections with their audiences through the power of storytelling.

We are looking for a Japanese Editor and translator to localize compelling, culturally relevant content for B2B clients across various industries. This role requires a deep understanding of the Japanese language, business communication, and marketing best practices.

Responsibility

【Content Creation & Localization】

• Translate and edit high-quality Japanese copy for websites, blogs, press releases, case studies, whitepapers, and marketing materials.
• Adapt global messaging and English content into Japanese while maintaining brand voice and cultural relevance.
• Develop persuasive ad copy, social media posts, and email campaigns that resonate with Japanese audiences.

【Brand Storytelling & Messaging】

• Collaborate with a Creative Director to craft engaging brand narratives that align with client positioning and business objectives.
• Ensure all content adheres to tone, style, and messaging guidelines.
• Collaborate with PR and marketing teams to develop thought leadership content for executives.

【SEO & Performance-Based Writing】

• Optimize content for search engines, ensuring strong keyword usage without compromising readability.
• Analyze content performance and adjust copy to improve engagement and conversion rates.

【Collaboration & Strategy】

• Work closely with account managers, PR specialists, and designers to produce integrated marketing materials.
• Stay up to date with industry trends, competitor content strategies, and best practices in Japanese B2B marketing.
• Provide insights on content trends and audience preferences to refine content strategies.

Working Hours
・ 9:30am to 6:30pm Monday to Friday
・ Work from home and / or office flexibility

Compensation and Benefits
・ Work with leading B2B brands in revolutionary industries
・ Be part of a dynamic, collaborative team passionate about storytelling and marketing innovation.
・ Enjoy a flexible, hybrid/remote work environment.
・ Opportunities for professional growth and continuous learning.
・ Attractive salary negotiable based on experience.
・ Transport allowance, work from home allowance.
・ Paid vacations, social insurance and benefits.
・ Full exposure to all aspects of our business.
・ Network of established professionals and senior leaders.
・ Friendly, comfortable environment at a central office in Kamiyacho.

Holidays
Saturdays and Sundays, National Holidays in Japan, Paid Vacation

Location Details
Tokyo, Japan
【Address】
Toranomon 40MT Building 7F 5-13-1 Toranomon, Minato-ku Tokyo 105-0001

Key Qualifications

• Native-level Japanese proficiency with exceptional writing, editing, and storytelling skills.
• Business-level English proficiency (ability to understand and translate complex concepts from English to Japanese).
• 3+ years of experience in editing, translating, content marketing, journalism, or PR, preferably in a B2B environment.
• Strong understanding of Japanese business culture and marketing communication styles.
• Experience writing for industries such as technology, finance, professional services, or manufacturing is a plus.
• Familiarity with SEO best practices and digital marketing trends.
• Ability to manage multiple projects and meet deadlines in a fast-paced agency environment.

Education
Bachelor’s degree in Journalism, Communications, Public Relations, Marketing, or a related field.