# 👋 Discovery Call / 💼 Job Opportunity Call with David Lorenz

> This call is for companies or individuals looking to discuss a potential paid project, contract, or advisory role. Book this call if you’re interested in working with me professionally. Whether you need help architecting your system, scaling your infrastructure, or navigating Supabase effectively, I bring nearly 25 years of development experience and the insights from writing “Building Production-Grade Web Applications with Supabase”.

- Host: David Lorenz
- Duration: 20 min
- Location: Cal Video
- Host time zone: Europe/Berlin
- Confirmation: Bookings are confirmed instantly.
- Booking page: https://cal.com/activenode/job-opportunity-call
- Event type id: 927467

## Check availability

```http
GET https://api.cal.com/v2/slots?eventTypeId=927467&start=YYYY-MM-DD&end=YYYY-MM-DD&timeZone=<IANA time zone>
cal-api-version: 2024-09-04
```

The response is `{"data":{"YYYY-MM-DD":[{"start":"<ISO 8601 with offset>"}]}}`; no API key is needed.

## Book

```http
POST https://api.cal.com/v2/bookings
cal-api-version: 2026-02-25
Content-Type: application/json

{
  "eventTypeId": 927467,
  "start": "<UTC ISO 8601 start from the slots response>",
  "attendee": {
    "name": "…",
    "email": "…",
    "timeZone": "<IANA time zone>"
  },
  "guests": [
    "guest@example.com"
  ],
  "bookingFieldsResponses": {
    "paid-job-confirm": "…",
    "notes": "…"
  }
}
```

- Required fields: `name` (Your name), `email` (Email address), `paid-job-confirm` (I'm aware that this call for discussing paid job opportunities)
- Optional fields: `notes` (Additional notes), `guests` (Add guests)
- `name` and `email` go in `attendee` and `guests` is a list of emails; every other field goes in `bookingFieldsResponses` under its name.