About us
Talkie builds AI Agents for healthcare. Our agents handle patient–clinic communication end-to-end — voice calls, web chat, and SMS — so patients get 24/7 access to care and busy practices never miss a conversation. Every month, our AI Agents handle close to a million real patient conversations across the US and Poland. Trusted by primary care, specialty practices, and hospitals.
The Role
We're looking for a Prompt Engineer to own the quality and intelligence of our AI Agents — from prompt design to production. This is a high-impact role at the intersection of language, technology, and healthcare. Your work will directly shape how hundreds of thousands of patients experience care.
This is not a research role. You'll be writing, testing, and iterating prompts that run live with real patients — so rigour, empathy, and a zero-error mindset matter as much as technical skill.
What You'll Do
Design, write, and continuously optimise prompts that power our AI Agents — making them natural, accurate, and reliable.
Analyse real patient–agent conversations end-to-end, identifying failure patterns, edge cases, and opportunities to improve agent behaviour.
Propose and implement technical solutions around function calling, tool use, context caching, and other LLM capabilities that make our agents smarter.
Build and run evaluation frameworks to test agent performance before and after changes — because every conversation is with a real patient and there is zero margin for error.
Create clear, structured documentation and customisation instructions so that agents can be tailored to each client’s specific workflows and needs.
Stay on top of the rapidly evolving LLM landscape — new models, techniques, and conventions — and bring the best ideas back to the team.
Work closely with the Product Manager (US market), engineering, and client teams to ensure agent quality across all deployments.
What will you achieve with us?
Shape the experience that hundreds of thousands of patients have when they reach out to their doctor — across every channel — and make it better every single day.
Push the boundaries of what LLM-powered AI agents can do in a highly regulated, real-world, multi-channel environment.
Build evaluation and quality systems for conversational AI that don’t exist yet — you’ll be creating the playbook.
Have a direct, measurable impact on patient access to healthcare in both the US.
Requirements
This is a young and fast-moving field. We care less about years of experience and more about how you think, learn, and work.
Must have
LLM Experience — Hands-on experience writing and iterating on prompts for production systems. More importantly, you learn fast — this field changes weekly and you keep up.
Analytical Rigour — Ability to review conversations, extract failure patterns, and turn findings into concrete, measurable improvements.
Communication & Collaboration — Comfort on client calls and working across technical and non-technical teams; you translate clearly in both directions. This is not a “sit in a cave and prompt all day” role ;).
Proactivity — You spot problems before being asked, flag them, and come with a proposed fix.
Zero-Error Mindset — Our agents talk to real patients. You understand the responsibility and bring the precision and care it demands.
English — C1+ English, strong written communication. Our agents talk to US patients.
Shifted Hours — You are available to work 12:00–20:00 CET at least 3