Software Engineer

  • Posted in Feb. 2026
  • Tokyo
  • Hybrid(upon agreement)
  • Visa

Overview

Yokogawa Rental & Lease’s core business operates the rental of IT equipment and measurement instruments. Our company offers a Device as a Service (DaaS) model, which ships rental devices directly to users and enables quick setup and same-day deployment through Windows Autopilot.
Our Software & Service division drives the development of Cotoka, our in-house platform that also supports non-PC device rental, which ships rental PCs directly to users and enables quick setup and same-day deployment through Windows Autopilots.
Built on a proprietary ID management system, Cotoka continues to evolve as a flexible and scalable foundation for delivering innovative digital services.
The division also develops software such as Flex Work Place, which supports secure and comfortable working environments for enterprises and research institutions.

Key Outcomes

You can expect to achieve the following outcomes and growth after joining our company:

  • Participate in software development processes such as design, implementation, testing, and improvement as a member of the development team.
    Depending on your strengths and interests, you may also pursue a career path as a Cloud Infrastructure Engineer or Customer Success Engineer.
  • Gain broad experience across the end-to-end in-house development cycle, from requirement definition to release and maintenance.
  • Build a solid technical foundation by understanding product and service development workflows and applying practical engineering skills (e.g., creating sample programs with Visual Studio).

Responsibilities

As a Software Engineer, you will design, develop, and operate software solutions that support our DaaS business and digital workplace products.

Cotoka for PC

  • Develop systems that deliver PCs directly to users through the DaaS model
  • Automate setup and same-day deployment using Windows Autopilot
  • Maintain and enhance the Cotoka platform that supports DaaS operations

Cotoka Platform

  • Develop and extend Cotoka, our proprietary platform built with an in-house ID management system to enable flexible and efficient device and service management
  • Promote standardization and automation to scale service delivery

Flex Work Place

  • Develop features for Flex Work Place, a software solution enabling secure and seamless work for all users
  • Collaborate with the team to enhance functionality and user experience

Requirements

Must-have
  • No specific technical prerequisites; we value a willingness to learn and contribute as part of a team
  • Ability to communicate in Japanese at a daily conversational level or higher
  • Interest in cloud system development or digital workplace technologies
Nice-to-have

Cotoka for PC / Cotoka Platform

  • Knowledge or experience in system design, enterprise systems, multi-tenant architecture, or ID management systems
  • Familiarity with Microsoft Azure (App Service, Storage, Front Door, Functions, Key Vault, SQL Database)
  • Development experience using React, Fluent UI, C#, and .NET Core

Flex Work Place

  • Knowledge of Windows services, inter-process communication, and public key cryptography
  • Understanding of Windows registry, group policy, and update mechanisms
  • Skills in C#, .NET Framework, SQL Server, IIS, ASP.NET, or filter driver development
Language Proficiency
  • English: Business level
  • Japanese: Daily conversational level

Location & Work Style

Work Location Tokyo(Musashino Office)
Work Style

Hybrid(upon agreement)

*Remote work may be arranged depending on business needs and team structure.

Office Attendance Approx. 0–3 days per week

Salary & Allowances

Salary
  • Annual salary: Approx. JPY 4.5M and above (monthly base salary: JPY 280K and above)
  • Monthly pay system
Allowances
  • Overtime: 25% or more
  • Over 60 hours/month: 50% or more
  • Late-night (22:00–5:00): +50%
  • Holiday work: 25% or more
Bonuses Twice a year

How to Apply

Application documents:

  • Resume (required)
  • Work history, portfolio, or source code links (optional)

Languages:

  • Application documents: English or Japanese
  • Interviews: English or Japanese (translation app acceptable)

About the Team

With over 20 years of experience in Windows programming, our team is planning to leverage its deep expertise in device control to develop innovative digital services that combine the best of on-premises and cloud environments.
We’re expanding our development team and welcome individuals eager to take on new technologies and challenges.
If you’re ready to grow with us, we’d love to have you on board.

Apply Now

Apply to Yokogawa Rental & Lease

Build your career where your skills matter and your individuality thrives
— join us and shape what’s next