Job Description

Job Requirements

Full time applicants require at least 6 months of valid work visa and all applicants need to live in Japan.

Job Description

About Us

Solaris Japan is a thriving global retailer of anime merchandise and collectibles and part of a broader group of eCommerce and software products. Alongside our flagship store, we build and maintain a suite of Shopify apps, internal tools, and new standalone products. We’re a small, fast-moving team with a shared passion for great user experiences, thoughtful interfaces, and brands that feel cohesive from the first click to the final checkout.

The Role

We’re looking for a UI/UX designer who can take ownership of the full design process from user stories and flowcharts to lo-fi and hi-fi mockups for both desktop and mobile apps. You’ll design interfaces for a diverse range of products: from consumer-facing ecommerce stores and saas products to mobile apps, internal dashboards and new software launches. You’ll also contribute to brand identity development for new projects and guide the visual direction across our expanding portfolio. This is a hands-on role where you’ll collaborate closely with founders, engineers, and marketers to create polished, intuitive, and consistent design systems.

What You’ll Do

• Design for a variety of apps and experiences:
  • Product and app pages
  • Webshops (desktop and mobile)
  • Mobile apps for webshops
  • Japanese learning app (with gamified UI elements)
  • Apps featuring pixel-art-style interfaces
  • Warehouse and inventory management app
  • Shopify apps using the Polaris design framework
  • Analytical dashboards visualizing shopping or order data
• Own the full UX process:
  • Develop user stories, flow charts, wireframes, and mockups (low-fi to high-fi)
  • Translate requirements into clean, consistent, and scalable UI components
  • Partner with developers to ensure smooth implementation and usability
• Brand & creative:
  • Overhaul and modernize existing brand assets
  • Create or evolve brand identity systems for new products
  • Collaborate with and guide external designers when needed

Must Haves

• 3+ years of experience in UI/UX design across web and mobile apps
• Confident building design flows from concept through execution
• Strong proficiency in Figma (preferred), plus familiarity with Adobe Creative Suite
• Strong eye for layout, spacing, typography, and system-level design consistency
• Comfortable working on both SaaS and eCommerce experiences
• Excellent communication and documentation in async environment

Nice to Haves

• Graphic design experience (banners, ads, marketing visuals)
• Game UI or gamification experience (bonus, not required)
• Exposure to eCommerce or operations-related apps (e.g., warehouse, logistics)
• Front-end familiarity (CSS, HTML, JS, React)

Why Join Us

• The opportunity to work on a variety of established companies in different spaces: eCommerce, SaaS, analytics tools
• Be on the founding team of a number of new products we’re launching including:
  • A mobile app to learn Japanese by playing Street Fighter style battles
  • Retro themed, gamified workplace productivity software
  • A marketplace for trading collectibles
  • TCG ecommerce store
  • And many others!
• Collaborate directly with decision-makers and own full creative cycles
• Shape the design direction across multiple brands
• Flexible hours, and international teammates
• Room to grow into a Lead Designer or Design System Owner role

Position Details

• Type: Full-time
• Location: In Tokyo office
• Compensation: Competitive, based on experience

To Apply

Submit your portfolio and a short note about your favorite project. Please show us examples that demonstrate your ability to:

1. Design complete user experiences from flow to final UI
2. Work across different styles or brands
3. Create interfaces that are both beautiful and functional

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Location

180-0004, Tokyo, Musashino, 2F T's Brightia Kichijoji II 14

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