Voice AI Prompt Engineer

1 Month ago • 3 Years + • Research Development

Job Summary

Job Description

This is a unique opportunity to be the first engineer on a high-potential AI project within the healthcare sector. You will work directly with experienced founders who have a proven track record in scaling healthcare businesses. The initial phase involves a 3-month contract to build the Minimum Viable Product (MVP), with the potential for extension to 6 months and a transition to a full-time leadership role. The role requires architecting and building an end-to-end Voice AI workflow, integrating telephony services, setting up STT/TTS pipelines, utilizing large language models with prompt chaining, and implementing fallback and human-in-the-loop workflows. Backend development will be in Ruby (on Rails) or Python, with a focus on HIPAA compliance for data handling.
Must have:
  • 3+ years of voice/telephony development
  • Experience with speech APIs
  • Proficiency in LLM usage and prompt engineering
  • Backend development in Ruby or Python
  • Familiarity with human-in-the-loop systems
  • Excellent communication and documentation skills
Good to have:
  • Experience with RCM billing or payer/provider workflows
  • Strong understanding of healthcare interoperability
  • Familiarity with AWS HIPAA stack and Terraform
  • Experience deploying to compliant infrastructure
Perks:
  • Work remotely
  • Vacation time
  • Paid holidays
  • Parental leave
  • Health care reimbursement
  • Active lifestyle reimbursement
  • Home office reimbursement
  • Payroll deduction purchase plans
  • Longevity bonus
  • Continuous learning bonus
  • Access to training and development platforms

Job Details

This is a rare chance to become the first engineer on a high-potential AI project in the healthcare space — the kind of opportunity where you help shape not just a product, but possibly a company. Imagine being the first developer behind what could become the next game-changing platform in healthtech.

You’ll work directly with seasoned founders who have successfully built and scaled profitable businesses in the healthcare industry for over a decade. The vision is clear, the domain expertise is real, and the commitment is strong. While this is an early-stage build, it’s backed by proven operators who know how to take products from zero to revenue.

The initial engagement is a 3-month contract to build the MVP, with the possibility to extend to 6 months — and ideally evolve into a full-time leadership role as the product gains traction and funding. If you’re excited by ownership, fast iterations, and solving real-world problems with AI, this is your moment.

Responsabilities

  • Architect and build an end-to-end Voice AI workflow.
  • Integrate telephony services like Twilio or Asterisk for call routing and orchestration.
  • Set up STT/TTS pipelines using Google, AWS Transcribe Medical, or Azure speech APIs.
  • Use large language models (like GPT-4) with prompt chaining to drive call logic.
  • Implement fallback and human-in-the-loop workflows.
  • Develop robust backend services in Ruby (on Rails) or Python with REST/gRPC APIs and database integrations.
  • Ensure HIPAA-compliant handling of call logs, transcripts, and metadata.
  • Collaborate directly with the founders in an async-first team, with weekly syncs.

Requirements

  • 3+ years of voice/telephony development (e.g., Twilio, Asterisk)
  • Experience with speech APIs (Google, AWS Transcribe Medical, Azure)
  • Proficiency in LLM usage, prompt engineering, and API integration
  • Backend development in Ruby (on Rails) or Python; REST/gRPC; DB integrations
  • Familiarity with human-in-the-loop systems and fallback logic
  • Excellent communication: ability to document, write clean code, and mentor

Nice to Have

  • Experience with RCM billing or payer/provider workflows
  • Strong understanding of healthcare interoperability – FHIR/HL7
  • Familiarity with AWS HIPAA stack, Terraform, and security best practices
  • Experience deploying to SOC2/HIPAA-compliant infrastructure

Our Recruitment Process

  • Video Interview
  • 20-minute take-home skills test
  • 30-minute Call with the Recruiter (project, benefits, etc.)
  • Interviews directly with the client (depending on the project the # of interviews may vary, this may include an assessment)
  • Final Offer.

  • Work remotely Monday - Friday, 40 hours a week (no weekends)
  • Vacation: 10 business days a year
  • Holidays: 5 National Holidays a year
  • Company Holidays: 5 Company Holidays a year (Christmas Eve, Christmas Day, New Year's Eve, New Year's Day, Zipdev Day)
  • Parental Leave
  • Health Care Reimbursement
  • Active Lifestyle Reimbursement
  • Quarterly Home Office Reimbursement
  • Payroll Deduction Purchase Plans
  • Longevity Bonus
  • Continuous Learning Bonus
  • Access to Training and Professional Development Platforms
  • Did we mention it's REMOTE?!!

One of our core values at Zipdev is "Be authentic." that's why we encourage you to answer the application form in your own words; we are interested in getting to know you, not a digital assistant.

Wondering how our remote environment or our payment method work? We've put together some helpful answers in our FAQs at the bottom our our career site. Take a look and let us know if you have any other questions!

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About The Company

Zipdev offers the opportunity to work remotely with clients based in the United States. Zipdev recruits and hires the best Developers, Designers, QA Testers, and Project Managers in Latin America. If you have been successful working remotely, work well with remote teams and understand the importance of communication, contact us right away.
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