Full-time / Part-time | Yokohama HQ (Japan-based)

Add Meaning to Music, One Record at a Time

At MION, we believe every piece of music media—whether it's a vintage vinyl, a dusty cassette, or a rare CD—carries more than just sound. It holds memories, emotions, and stories worth preserving and passing on.

We are looking for detail-oriented, music-loving individuals to join our Music Media Grading Team. This role is essential to evaluating and maintaining the quality of second-hand music media sold through our global platforms. Your work ensures that each item meets the expectations of passionate collectors and music lovers around the world.

Responsibilities

• Grade the physical and audio condition of vinyl records, CDs, cassettes, and audio equipment
• Perform visual inspections and test listening based on MION’s internal grading standards
• Accurately document grading results in our product system
• Collaborate with internal teams (listing, logistics, content) to ensure a seamless product flow
• Handle basic cleaning or condition improvement when necessary

Qualifications

• Strong attention to detail and commitment to quality
• Passion for music and curiosity across genres and media formats
• Ability to work independently and stay focused
• Basic computer skills and familiarity with digital workflows
• Based in Japan (for shipping and physical media handling)

Preferred but not required:

• Experience with grading systems such as Goldmine
• Prior experience handling vinyl, CDs, or audio equipment
• English or Japanese language proficiency (both are a plus)





Full-time / Part-time | Yokohama HQ (On-site)

Delivering More Than Just a Product

At MION, every item we ship carries more than music—it carries memories, meaning, and trust. That’s why packaging and fulfillment is never just a logistics task. It’s the final touch in a long chain of care, and we take it seriously.

We're looking for reliable, detail-focused individuals to join our Packaging and Fulfillment Team. This role is responsible for ensuring that every record, instrument, or piece of audio gear reaches its destination safely, beautifully, and on time.



Responsibilities

• Package vinyl records, CDs, cassettes, audio equipment, and other merchandise with care and precision
• Follow MION’s internal packaging guidelines to ensure protection, presentation, and consistency
• Pick and prepare daily orders for shipment using our fulfillment system
• Inspect items before shipping to ensure condition and accuracy
• Coordinate with customer support and logistics partners when needed
• Maintain a clean, organized work environment

Qualifications

• Strong attention to detail and consistency
• Ability to perform repetitive tasks efficiently and carefully
• Punctual, responsible, and able to work in a team setting
• Basic computer skills for order management
• Based in Tokyo or Yokohama or able to commute to our HQ

Preferred but not required

• Experience in packaging, warehousing, or order fulfillment
• Interest in music and familiarity with physical formats like vinyl or CD
• Ability to lift and move boxes up to 20kg
  

Full-time / Part-time | Yokohama HQ (On-site)

Support That Feels Like a Conversation Between Music Lovers

At MION, we don't just sell music—we connect people to moments, memories, and meaning. Our customers are music fans from all over the world, and every interaction is a chance to make their day a little better.

We’re looking for thoughtful, empathetic, and efficient individuals to join our Customer Support Team. Whether it's helping someone find the perfect vinyl or resolving a delivery issue with care, you’ll be the voice (and heart) of MION.



Responsibilities

• Respond to customer inquiries via email, chat, and other platforms in a timely and friendly manner
• Handle questions related to orders, product details, shipping, returns, and more
• Collaborate with our logistics, grading, and content teams to resolve issues smoothly
• Maintain accurate records of customer interactions
• Proactively share insights from customer feedback with the team to improve our service
• Collaborate with our logistics partners abroad

Qualifications

• Excellent written communication skills in Japanese
• English reading and writing ability (for internal tools and international communication)
• Empathy, patience, and professionalism in customer interactions
• Basic computer skills and experience with customer service tools or email systems
• Based in Japan

Preferred but not required

• Experience in customer support, e-commerce, or music retail
• Familiarity with music formats such as vinyl records, CDs, or audio equipment
• English fluency is a plus
• Knowledge of various platforms we use (such as shopify, discogs, ebay, etc.)
  
  



Full-time / Part-time | Yokohama HQ (On-site)

Marketing That Resonates—Online and Off

At MION, music is more than sound—it's a lifestyle. From vinyl records to live activations, from global e-commerce to niche local campaigns, we believe great marketing is about creating emotional connections between people and music.

We’re looking for a marketing specialist who thrives at the intersection of digital performance and real-world experiences. You’ll lead and support campaigns that amplify MION’s presence across platforms, countries, and cultures—bringing our message of +MUSIC to life.

Responsibilities

• Plan, execute, and optimize digital marketing campaigns across paid channels (Google, Meta, YouTube, etc.)
• Develop and manage analog marketing initiatives such as print ads, flyers, in-store signage, event materials, and collaborations with physical spaces
• Analyze performance data and customer insights to refine targeting, messaging, and creative
• Work with design, content, and merchandising teams to develop integrated campaign assets
• Coordinate with media partners, printers, venues, and collaborators for analog activations
• Ensure brand consistency and voice across all marketing touchpoints
• Explore new marketing channels and test ideas to grow awareness and conversions

Qualifications

• Experience in digital marketing (ads, analytics, email, or SEO/SEM)
• Comfortable analyzing data and making decisions based on performance metrics
• Strong communication and project management skills
• Understanding of brand storytelling and visual consistency
• Fluent Japanese (written and spoken), with basic English reading/writing

Preferred but not required

• Experience with analog marketing campaigns or event activations
• Familiarity with tools like Google Ads, Meta Ads Manager, GA4, Klaviyo, or Shopify
• Background in music, culture, or lifestyle brands
• Design or copywriting skills are a plus
  

Full-time / Part-time | Yokohama HQ (On-site)

Tell Stories That Move People—Through Every Frame and Word

At MION, we don’t just sell music—we shape how it’s experienced. From behind-the-scenes artist features to social videos that spark emotion, content is how we connect with people across cultures and platforms.

We’re looking for a media & content marketing specialist who lives and breathes visual storytelling. You’ll create and manage content that deepens our brand’s impact—from compelling Instagram reels to long-form features, from global campaigns to hyper-local spotlights. If you know how to turn stories into strategy (and strategy into stories), this role is for you.

Responsibilities

• Plan, produce, and manage multimedia content for social, web, email, and in-store channels
• Develop and execute content calendars in sync with product drops, campaigns, and cultural moments
• Shoot, edit, and publish short-form video content (Reels, TikTok, YouTube Shorts, etc.)
• Write and edit copy for social captions, blog posts, landing pages, and video scripts
• Collaborate with marketing, design, and product teams to ensure cohesive messaging and visuals
• Monitor content performance and optimize based on insights (reach, engagement, retention, etc.)
• Capture and communicate the MION voice and visual style across all content

Qualifications

• Hands-on experience with content creation (especially video and photo for social media)
• Skilled in editing tools (e.g., Adobe Premiere, Final Cut, CapCut, or similar)
• Strong writing and storytelling ability, with a keen eye for brand tone
• Comfortable with analytics and using metrics to improve content strategy
  

Preferred but not required

• Experience working in a lifestyle, music, or culture-related brand
• Familiarity with Instagram, TikTok, YouTube, X, and emerging platforms
• Photography or motion graphics experience
• Background in journalism, media, or creative production
  
  
  
  

Full-time | Tokyo HQ or Remote (Japan-based or time-zone compatible)

Code That Connects People to Music

At MION, we build systems that support more than just e-commerce—we create tools that bring music to life. From vinyl cataloging and global logistics to media grading and recommendation systems, every line of code is part of a bigger vision: helping people discover, collect, and enjoy music.

We are looking for a pragmatic, curious, and collaborative full-stack engineer to help us evolve our internal platforms, customer-facing experiences, and automation systems. If you care about clean code, scalable architecture, and music as much as we do, we’d love to hear from you.

Responsibilities

• Develop, maintain, and optimize internal tools and external web applications
• Collaborate closely with design, marketing, and operations teams to build features that solve real-world problems
• Build and maintain APIs, background jobs, and data processing scripts
• Contribute to code reviews, architectural decisions, and documentation
• Automate workflows that support physical operations like grading, fulfillment, and customer service
• Explore and implement new technologies when appropriate

Qualifications

• Experience in full-stack web development using Ruby on Rails
• Comfortable working across frontend, backend, and database layers
• Basic knowledge of Python (or willingness to learn quickly)
• Ability to write clean, maintainable, well-documented code
• Strong communication and collaboration skills
• Fluent in Japanese or English

Preferred but not required

• Experience with e-commerce platforms (especially Shopify)
• Familiarity with logistics, inventory, or media-related systems
• Interest in music, physical media, or collecting culture
• Understanding of performance optimization, caching, and API design
  
  

Tech Stack

Primary:

Ruby on Rails, PostgreSQL, JavaScript (some TypeScript), HTML/CSS

Also used:

Python (for automation and data), Shopify ecosystem, APIs (REST/GraphQL), Redis, Docker

Tools:

GitHub, Slack, Heroku, Cloudflare, AWS, etc.