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Voice AI Developer — Scalable Phone Agent (3 Service Tiers)

Search - API Integration · ai_analyzed · UID ~022079636640824620878

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Job Details

Budget $10.00 - $30.00/hr
ExperienceIntermediate
DurationUnknown
Weekly hoursMore than 30 hrs/week
Client countryAbout the client
Proposals5 to 10
Interviewing0
Invites sent0
First seenTue, Jul 21, 2026 9:48 PM
Last seenThu, Jul 23, 2026 12:14 AM

Description

Summary Description: Our Swiss agency builds AI automation solutions for veterinary clinics — a sector under real pressure right now (staff shortages, high call volume). We're looking for a developer to build a voice AI phone agent, designed from the start to scale across 3 service tiers (we're only launching with Tier 1 for now). Tier 1 — Basic (to be built first) Picks up incoming calls when the clinic can't answer Answers simple questions: hours, pricing, address Takes down appointment requests (name, pet, reason, contact info) — without checking any calendar Passes the request to staff (SMS, email, or a simple sheet) so a human can call back and confirm Sends reminders before an already-scheduled appointment (SMS and/or call), to reduce no-shows Important: this tier does not connect to the clinic's existing software at all. The agent only collects and forwards information — a human handles the rest using their usual tools. Tier 2 — Intermediate (architecture should account for this, not to be built yet) Read-only connection to the client's calendar: the agent can offer real available slots during the call Interactive reminders: the pet owner can confirm or cancel directly by SMS/call Tier 3 — Premium (architecture should account for this, not to be built yet) Fully automatic appointment booking (read + write access to the calendar) Multilingual support (French, German, English) Monthly reporting (calls handled, appointments saved, response rate) Emergency keyword detection with priority routing to a human Automatic waitlist — if a slot opens up from a cancellation, it's offered automatically to someone on the waitlist Advanced voice/tone customization What we expect from the developer: Build Tier 1 first, functional and reliable Design the architecture with Tiers 2 and 3 in mind, so we don't have to rebuild everything later A solution built on existing, reliable tools (e.g. Vapi, Retell AI, Bland AI, Twilio + n8n/Make), not custom AI built from scratch A solution that's easy to replicate across multiple clinics, with only minor adjustments each time Who we're looking for: demonstrable experience with voice AI agents or chatbots, proficiency with Vapi/Retell/Bland/Twilio, familiarity with n8n/Make/Zapier, clear communication, and reliable turnaround. Please include in your proposal: The tools you'd use and why Pricing for Tier 1 setup Rough estimate for adding Tiers 2 and 3 later Recurring monthly cost if applicable (hosting, maintenance, third-party subscriptions) A realistic delivery timeline for Tier 1 Your ability to replicate this for other clients, and at what added cost/time Examples of similar projects, if you have any This is a growing project — if the collaboration goes well, we'll bring you on for other clients in this sector.

Skills

Twilio API API Integration

Notification History

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