OPEN POSITION

Software Engineer

Software Engineer

Responsibilities

  • Design and implement new features across the company's products and services

  • Implement UI/UX designs into responsive, high-quality interfaces

  • Contribute to design discussions and propose UI/UX improvements based on user feedback and best practices

  • Develop and operate internal tools

  • Collaborate cross-functionally with the R&D team, Business Development team, and external partners to define requirements and deliver product features end-to-end

Required Skills

  • 2+ years of work experience in software development (front-end and server-side)

    • TypeScript, JavaScript, React, Python

  • Experience with modern development tools and workflows

  • Experience using GitHub

  • Experience with CI/CD

  • Familiarity with AI tools used in development

  • Business-level English

Preferred skills and experience (Nice to have)

  • Experience working with cloud infrastructure (AWS, GCP)

  • Experience working with Docker

  • Familiarity with Figma

  • Familiarity with web performance

  • Experience leading team development projects

  • Knowledge and skills in machine learning techniques

  • Experience running or participating in data science competitions (e.g., Solafune, Kaggle)

  • Experience in using satellite data, geospatial data, GIS tools, etc.

  • UI / UX design experience

  • Experience in working outside of your area of expertise

Tools

  • Cloud service platform: AWS, GCP, Azure

  • Development languages: Python, TypeScript, JavaScript, React

  • Development frameworks: Python-based, js/ts-based

  • Container management: Docker, Docker Compose

  • Database: PostgreSQL

  • Project management: Github, Notion

  • Internal communication: Slack, Discord, Notion

  • AI tools: Github Copilot, ChatGPT / Codex, Claude

Benefits

Hiring Process

①Resume screening
  • Submit your resume including relevant experience, education, skills, and accomplishments

  • Highlight any experience in strategic advisory, project management, or executive support roles

②Case Study or Problem-solving Exercise (1-2 hours)
  • Complete a case study or problem-solving exercise to demonstrate your strategic thinking and decision-making abilities

  • Present your findings and recommendations to the hiring team

③Initial Interview (30 min - 1 h)
  • Discuss your background, skills, and experiences related to the Software Engineer role

  • Assess your understanding of organizational dynamics and ability to work closely with senior leadership

④Panel Interview (1-2 hours)
  • Engage in a panel interview with key stakeholders, including the CEO and other members of the leadership team

  • Discuss your fit for the role, leadership style, and approach to driving organizational success

⑤Reference Check and Background Verification
  • Provide references from previous employers or colleagues who can speak to your qualifications and performance

  • Undergo background verification checks as required by company policy

⑥Offer and Onboarding
  • Receive and review the job offer, including salary, benefits, and other details

  • Complete any necessary paperwork and undergo orientation and training as needed

  • Begin your role as a software engineer with support and guidance from the CEO and leadership team

Work Conditions

Job Type

Full-time (after 3-month trial period) Outsourcing contracts are acceptable (for freelancers)

Work Type

Operate remotely or from the office

Location

Flexible (Remote or Tokyo Office-based)

Salary

5,000,000 JPY / year or more (May vary depending on your location)

Work Hours

9:00 - 18:00 (including 1 hour break) Five-day work week

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We’re moving to a new address 📦

Starting July 1, Solafune corporate website will move from https://company.solafune.com/ to solafune.com. Your account, data, and services will remain exactly the same. Only the website URL is changing. Please update your bookmarks to the new address. Visits to the old domain will continue to redirect automatically. Please contact us here for any questions.

We’re moving to a new address 📦

Starting July 1, Solafune corporate website will move from https://company.solafune.com/ to solafune.com. Your account, data, and services will remain exactly the same. Only the website URL is changing. Please update your bookmarks to the new address. Visits to the old domain will continue to redirect automatically. Please contact us here for any questions.

We’re moving to a new address 📦

Starting July 1, Solafune corporate website will move from https://company.solafune.com/ to solafune.com. Your account, data, and services will remain exactly the same. Only the website URL is changing. Please update your bookmarks to the new address. Visits to the old domain will continue to redirect automatically. Please contact us here for any questions.

Got a question? We’d love to hear from you.

Got a question? We’d love to hear from you.

Got a question? We’d love to hear from you.

Company Name

Solafune, Inc.

Representative

Ren Uechi

Address

Marunouchi Building 28F, 2-4-1 Marunouchi, Chiyoda City, Tokyo, 100-6390

© 2026 Solafune.Inc. All rights reserved

Company Name

Solafune, Inc.

Representative

Ren Uechi

Address

Marunouchi Building 28F, 2-4-1 Marunouchi, Chiyoda City, Tokyo, 100-6390

© 2026 Solafune.Inc. All rights reserved

Company Name

Solafune, Inc.

Representative

Ren Uechi

Address

Marunouchi Building 28F, 2-4-1 Marunouchi, Chiyoda City, Tokyo, 100-6390

© 2026 Solafune.Inc. All rights reserved