Example breadcrumbs Magnet.me

Companies page.json

{
    "//": "Occurs on eg https://magnet.me/en-GB/companies/Netherlands",
    "@context": "http://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "item": {
                "@id": "/en-GB/companies",
                "name": "Companies"
            }
        },
        {
            "@type": "ListItem",
            "position": 2,
            "item": {
                "@id": "/en-GB/companies/Netherlands?place=ChIJu-SH28MJxkcRnwq9_851obM",
                "name": "Netherlands"
            }
        }
    ]
}

Company page.json

{
    "//": "Occurs on eg https://magnet.me/en-GB/company/rijk-zwaan/timeline",
    "@context": "http://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "item": {
                "@id": "/en-GB/company/rijk-zwaan/story",
                "name": "Story"
            }
        }
    ]
}

Opportunities page.json

{
    "//": "Occurs on eg https://magnet.me/en-GB/opportunities/Netherlands",
    "@context": "http://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "item": {
                "@id": "/en-GB/opportunities",
                "name": "Jobs"
            }
        },
        {
            "@type": "ListItem",
            "position": 2,
            "item": {
                "@id": "/en-GB/opportunities/Netherlands?place=ChIJu-SH28MJxkcRnwq9_851obM",
                "name": "Netherlands"
            }
        }
    ]
}

Opportunity page.json

{
    "//": "Occurs on eg https://magnet.me/en-GB/opportunity/48801/breeder-prei",
    "@context": "http://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "item": {
                "@id": "/en-GB/opportunities",
                "name": "Jobs"
            }
        },
        {
            "@type": "ListItem",
            "position": 2,
            "item": {
                "@id": "/en-GB/company/rijk-zwaan/opportunities",
                "name": "Rijk Zwaan"
            }
        },
        {
            "@type": "ListItem",
            "position": 3,
            "item": {
                "@id": "/en-GB/opportunity/48801/breeder-prei",
                "name": "Breeder Prei"
            }
        }
    ]
}