[Hiring] Software Engineer @GAIDOOR株式会社

Role Description

One of our top clients, a well-established Japanese company currently undergoing a major digital transformation within one of Japan’s most important and globally influential industries, is looking for an experienced Software Engineer to help develop and scale its next-generation DX SaaS platform. This position will play an important role in designing, developing, testing, and improving modern software applications while contributing to a fast-moving, AI-assisted engineering environment.

As a Software Engineer, you will join a product development team responsible for building and improving a next-generation construction DX SaaS platform. You will work closely with Product Owners, Senior Engineers, and Tech Leads to design, implement, test, and maintain high-quality software applications.

The role requires strong hands-on development capabilities, ownership of assigned features, and the ability to work independently while collaborating effectively with the engineering team. You will also contribute to a modern engineering culture that integrates AI coding assistants into daily development workflows.

The ideal candidate is a proactive software engineer who values clean code, continuous learning, teamwork, and delivering measurable business value through technology.

Qualifications

• 3+ years of professional experience designing, developing, and operating web applications.
• Experience independently designing and implementing features in either frontend or backend development.
• Experience writing automated tests and participating in code reviews.
• Knowledge of relational database design and SQL.
• Ability to take ownership of development tasks from implementation through production operation.

Requirements

• Practical experience using AI coding assistants such as Claude Code, Cursor, GitHub Copilot, or similar tools in daily software development.
• Ability to critically review, test, and validate AI-generated code rather than accepting generated implementations without verification.
• Understanding of how to maintain software quality when using AI-assisted development tools.
• Strong ownership and accountability for assigned development tasks.
• Ability to work independently while collaborating effectively with other engineers.
• Growth mindset and willingness to learn new technologies and development practices.
• Lean mindset focused on delivering value efficiently.
• Strong teamwork and communication skills.

Benefits

• Employment Type: Full-time employee
• Annual Salary: ¥5,000,000 – ¥8,000,000 (depending on experience and qualifications)
• Remote Work: Full Remote within Japan (occasional office attendance may be required)
• Flexible Working Hours: Yes
• Core Time: 11:00 AM – 2:00 PM
• Standard Working Hours: 9:00 AM – 5:30 PM (7.5 working hours per day)
• Salary Review: Once per year
• Bonuses: Twice per year (March and September)
• Holidays: Weekends + Japanese National Holidays
• Annual Holidays: Approximately 122 days per year
• Additional Leave: Paid annual leave, summer and year-end holidays, refresh leave, life support leave, and special leave
• Additional Benefits: Full social insurance coverage, transportation expenses covered, retirement benefit program, employee stock ownership program, annual health examinations, employee welfare benefits

Company Description

This company is one of Japan’s most established and respected enterprises, with over 1,000 employees in the construction industry. Despite its long history, the company is investing heavily in digital transformation and modern software development.

The CEO, who graduated in the United States and is highly committed to innovation, has made a strategic decision to build the company’s first-ever in-house digital and product development organization. To achieve this, he has recruited some of Tokyo’s top technology leaders, including an experienced CTO and CIO.

The company is developing a next-generation digital platform designed to transform how the construction industry operates. By connecting data, people, and processes across design, manufacturing, construction, and building management, the platform aims to improve productivity, efficiency, and collaboration across the industry.

The company also has an international presence, with offices in:

• India
• Singapore
• Indonesia
• Vietnam