{
  "handle": "jelmer-vernooij",
  "url": "https://selfbadge.com/jelmer-vernooij",
  "id": "https://selfbadge.com/jelmer-vernooij#person",
  "status": "seeded",
  "indexable": true,
  "dateCreated": "2026-10-15T08:44:26.958743+00:00",
  "dateModified": "2026-10-15T08:44:26.958743+00:00",
  "summary": {
    "published": 14,
    "verified": 0
  },
  "verificationLevels": {
    "0": "Seeded: imported from a public source, not claimed",
    "1": "Self-declared: added by the owner",
    "2": "Account-verified: proven by OAuth, email code, DNS or link-back",
    "3": "Document-verified: reviewed document or third-party credential",
    "4": "ID-verified: identity document check"
  },
  "facts": [
    {
      "property": "name",
      "value": "Jelmer Vernooij",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "givenName",
      "value": "Jelmer",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "description",
      "value": "Dutch programmer",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "worksFor",
      "value": {
        "endDate": "2023-12",
        "startDate": "2022-09",
        "organization_id": "a26c351e-9263-4f4a-8853-87e1f72b65e4"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "worksFor",
      "value": {
        "endDate": "2022-09",
        "startDate": "2021-03",
        "organization_id": "5b54a9a8-81c1-44d3-9279-39723640c2ec"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "worksFor",
      "value": {
        "endDate": "2021-03",
        "startDate": "2013-02",
        "organization_id": "854a5d32-04ef-486c-a848-914e5a4ab67a"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "worksFor",
      "value": {
        "endDate": "2012",
        "startDate": "2009",
        "organization_id": "842d9794-919b-4ede-a6c8-9142332b0d31"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "worksFor",
      "value": {
        "startDate": "2025",
        "organization_id": "a3581cb4-68b3-4ebf-b575-1c2d3d23b38f"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "hasOccupation",
      "value": "Software engineer",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "alumniOf",
      "value": {
        "endDate": "2003",
        "credential": "Secondary school leaving qualification",
        "organization_id": "6bc0277f-baf4-4fb2-8aaf-8fe25413b3ba"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "alumniOf",
      "value": {
        "endDate": "2010",
        "organization_id": "f71f53e1-14ac-4cb2-814a-51505c119589"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "url",
      "value": "https://www.jelmer.uk/",
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "identifier",
      "value": {
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "value": "Q119571731",
        "propertyID": "Wikidata"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    },
    {
      "property": "identifier",
      "value": {
        "url": "https://www.crunchbase.com/person/jelmer-vernooij",
        "value": "jelmer-vernooij",
        "propertyID": "Crunchbase"
      },
      "verification": {
        "level": 0,
        "name": "seeded",
        "label": "from Wikidata",
        "method": null,
        "verifiedAt": null,
        "expiresAt": null
      },
      "source": {
        "type": "seed",
        "label": "Wikidata",
        "url": "https://www.wikidata.org/wiki/Q119571731",
        "retrievedAt": "2026-10-15T08:36:49.193+00:00"
      }
    }
  ],
  "verifications": [
    {
      "method": "seed_import",
      "label": "Imported from Wikidata",
      "checkedAt": "2026-10-15T08:44:26.958743+00:00"
    }
  ],
  "jsonld": {
    "@context": "https://schema.org",
    "@graph": [
      {
        "@type": "ProfilePage",
        "@id": "https://selfbadge.com/jelmer-vernooij",
        "url": "https://selfbadge.com/jelmer-vernooij",
        "name": "Jelmer Vernooij on SelfBadge",
        "inLanguage": "en",
        "isPartOf": {
          "@id": "https://selfbadge.com/#website"
        },
        "publisher": {
          "@id": "https://selfbadge.com/#organization"
        },
        "dateCreated": "2026-10-15T08:44:26.958743+00:00",
        "dateModified": "2026-10-15T08:44:26.958743+00:00",
        "mainEntity": {
          "@type": "Person",
          "@id": "https://selfbadge.com/jelmer-vernooij#person",
          "name": "Jelmer Vernooij",
          "givenName": "Jelmer",
          "description": "Jelmer Vernooij works at Cloudflare. Dutch programmer",
          "worksFor": [
            {
              "@type": "Organization",
              "@id": "https://selfbadge.com/org/cloudflare#org",
              "name": "Cloudflare",
              "url": "https://www.cloudflare.com/"
            },
            {
              "@type": "EmployeeRole",
              "worksFor": {
                "@id": "https://selfbadge.com/org/cloudflare#org"
              },
              "startDate": "2025"
            }
          ],
          "hasOccupation": {
            "@type": "Occupation",
            "name": "Software engineer"
          },
          "alumniOf": [
            {
              "@id": "https://selfbadge.com/org/christelijk-gymnasium-utrecht#org"
            },
            {
              "@id": "https://selfbadge.com/org/utrecht-university#org"
            },
            {
              "@type": "EmployeeRole",
              "alumniOf": {
                "@id": "https://selfbadge.com/org/aiven#org"
              },
              "startDate": "2022-09",
              "endDate": "2023-12"
            },
            {
              "@type": "EmployeeRole",
              "alumniOf": {
                "@id": "https://selfbadge.com/org/cognite#org"
              },
              "startDate": "2021-03",
              "endDate": "2022-09"
            },
            {
              "@type": "EmployeeRole",
              "alumniOf": {
                "@id": "https://selfbadge.com/org/google-united-kingdom#org"
              },
              "startDate": "2013-02",
              "endDate": "2021-03"
            },
            {
              "@type": "EmployeeRole",
              "alumniOf": {
                "@id": "https://selfbadge.com/org/canonical-ltd#org"
              },
              "startDate": "2009",
              "endDate": "2012"
            }
          ],
          "hasCredential": {
            "@type": "EducationalOccupationalCredential",
            "name": "Secondary school leaving qualification",
            "credentialCategory": "degree",
            "recognizedBy": {
              "@id": "https://selfbadge.com/org/christelijk-gymnasium-utrecht#org"
            },
            "dateCreated": "2003"
          },
          "url": "https://www.jelmer.uk/",
          "sameAs": [
            "https://www.wikidata.org/wiki/Q119571731",
            "https://www.crunchbase.com/person/jelmer-vernooij"
          ],
          "identifier": [
            {
              "@type": "PropertyValue",
              "propertyID": "Wikidata",
              "value": "Q119571731",
              "url": "https://www.wikidata.org/wiki/Q119571731"
            },
            {
              "@type": "PropertyValue",
              "propertyID": "Crunchbase",
              "value": "jelmer-vernooij",
              "url": "https://www.crunchbase.com/person/jelmer-vernooij"
            }
          ]
        }
      },
      {
        "@type": "WebSite",
        "@id": "https://selfbadge.com/#website",
        "url": "https://selfbadge.com/",
        "name": "SelfBadge"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/aiven#org",
        "name": "Aiven",
        "url": "https://aiven.io/"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/cognite#org",
        "name": "Cognite",
        "url": "https://www.cognite.com/"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/google-united-kingdom#org",
        "name": "Google (United Kingdom)",
        "url": "https://www.google.co.uk/"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/canonical-ltd#org",
        "name": "Canonical Ltd.",
        "url": "https://canonical.com/"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/christelijk-gymnasium-utrecht#org",
        "name": "Christelijk Gymnasium Utrecht",
        "url": "http://www.cgu.nl/"
      },
      {
        "@type": "Organization",
        "@id": "https://selfbadge.com/org/utrecht-university#org",
        "name": "Utrecht University",
        "url": "https://www.uu.nl/"
      }
    ]
  }
}