Work systems

Find SUIDs for Japanese work hour systems and labor arrangements in the Job Sync API.

 

Overview

Work system SUIDs classify working hour arrangements under Japanese labor law. These help job seekers understand schedule flexibility and structure.

Work systems include:

• Fixed working hours: Standard set schedule with consistent hours
• Flexible arrangements: Flextime, variable hours, shift systems
• Discretionary systems: For professional or planning work with flexible hours
• Deemed working hours: For work outside the office where hours are difficult to track
• Highly professional system: For specialized high-income professionals

These Japan-specific attributes help job seekers find positions matching their work arrangement preferences.

Example usage

Specify work system SUIDs in the attributes field of the SourcedJobPostingTaxonomyInput object:

mutation CreateJobPosting {
  jobsIngest {
    createSourcedJobPostings(input: {
      jobPostings: [{
        body: {
          title: "Software Engineer"
          description: "<p>Join our engineering team...</p>"
          location: {
            country: "JP"
            cityRegionPostal: "Tokyo"
          }
        }
        metadata: {
          jobSource: {
            companyName: "Tech Company"
            sourceName: "tech-source"
            sourceType: "Employer"
          }
          jobPostingId: "job-777"
          datePublished: "2026-01-14T12:00:00Z"
          url: "https://example.com/jobs/777"
          taxonomyClassification: {
            attributes: [
              "HY5VT"  # Flextime
            ]
          }
        }
      }]
    }) {
      results {
        jobPosting {
          sourcedPostingId
        }
      }
    }
  }
}

How to find the right SUID

1. Identify the work hour system: Determine which Japanese labor law system applies to your position.
2. Match to the table: Find the system that best describes your work arrangement.
3. Consider job seeker expectations: Choose the system that accurately reflects the actual work structure.
4. Use the SUID: Copy the 5-character SUID code and add it to the attributes array.

Work systems reference

The following table lists all available work system SUIDs for Japan:

Work systems

Work system (English)	Japanese label	SUID	Description
Variable working hours system	変形労働時間制	3VJ3F	Hours vary by period (weekly, monthly, or yearly) while averaging within legal limits
Shift system	シフト制	SUDVY	Work schedule rotates through different shifts (morning, afternoon, night)
Fixed working hours system	固定時間制	A4MXD	Standard set schedule with consistent start and end times
Flextime	フレックスタイム制度	HY5VT	Employees choose their start and end times within core hours
System of deemed working hours outside workplace	事業場外みなし労働時間制	VK3PA	For work outside the office where tracking hours is difficult; deemed hours apply
Discretionary working system for professional services	専門業務型裁量労働制	BDNYH	For specialized professional work with employee discretion over work methods and hours
Discretionary working system for planning services	企画業務型裁量労働制	KU3VM	For strategic planning work with employee discretion over execution and hours
Highly Professional System	高度プロフェッショナル制度	3943V	For high-income specialized professionals exempt from certain labor regulations

Best practices

• Use the accurate system: Choose the work system that matches your actual legal arrangement under Japanese labor law.
• Verify compliance: Ensure your work system classification complies with Japanese labor standards.
• Consider job seeker preferences: Many job seekers specifically search for flexible arrangements like flextime.
• Be transparent: Accurately represent the work system to set proper expectations.
• Use with shift attributes: Combine with shift and schedule attributes for more detailed descriptions.
• Understand legal requirements: Each system has specific legal requirements and eligibility criteria in Japan.

Japanese employment context

Work systems in Japan are defined by the Labor Standards Act (労働基準法) and regulate how working hours are structured and managed. Understanding these systems is important for both employers and job seekers:

Common systems:

• Fixed working hours (A4MXD): Most traditional system with set schedules.
• Flextime (HY5VT): Increasingly popular for office workers and tech companies.
• Shift system (SUDVY): Common in retail, healthcare, and hospitality.

Specialized systems:

• Discretionary systems (BDNYH, KU3VM): For professionals with specialized expertise.
• Highly Professional System (3943V): Requires annual income of ¥10.75 million or more.

Compliance requirements: Each system has legal requirements for:

• Core hours and break times
• Overtime calculation methods
• Required agreements and notifications
• Eligible job types and industries

Work system information helps attract candidates who prioritize work-life balance.

Related resources

• SUIDs - How SUIDs work and when to use them.
• Shifts and schedules - Shift pattern and schedule SUIDs.
• Search attributes - Additional work arrangement attributes for Japan.
• Social insurance - Social insurance benefit SUIDs for Japan.
• Job types - Job type classification SUIDs.
• SourcedJobPostingTaxonomyInput - GraphQL object reference.

 

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