Senior Conversational AI & Prompt Engineer

Scale Army
Cairo, Buenos Aires, Addis Ababa, Cape Town, Abuja
Workplace: RemoteContractUSD 4,000 - 5,000 monthlyFunction: Data Science & Machine LearningSkills: ["Analytical ability","Troubleshooting","Attention to detail","Creativity","Proactive problem-solving","Adaptability"]

Design, optimize, and maintain voice and chat conversational AI for a telehealth weight-loss program using GLP-1 medications. You’ll build high-performance prompts, manage conversational state, and orchestrate real-time voice interactions with Retell AI and Vapi. Partner with clinical, product, and engineering teams to align AI behavior with medical protocols, monitor performance using transcripts/call logs, and drive continuous improvements through experimentation and analytics.

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FursaFursa
Scale Army
Scale Army
1 hour ago

Senior Conversational AI & Prompt Engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Design, optimize, and maintain voice and chat conversational AI for a telehealth weight-loss program using GLP-1 medications. You’ll build high-performance prompts, manage conversational state, and orchestrate real-time voice interactions with Retell AI and Vapi. Partner with clinical, product, and engineering teams to align AI behavior with medical protocols, monitor performance using transcripts/call logs, and drive continuous improvements through experimentation and analytics.
Location: Cairo, Buenos Aires, Addis Ababa, Cape Town, Abuja
Workplace: Remote
Employment Type: Contract
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Design, develop, and refine prompts for voice AI agents and chatbots to ensure clarity, engagement, and clinical voice alignment.
  • •Debug and optimize prompts to improve response accuracy, natural language flow, and satisfaction across text and voice interactions.
  • •Manage context continuity so AI systems maintain patient history and conversational state across chat and voice.
  • •Build logic-driven conversational experiences using orchestration tools and implement voice/chat technical components (including SSML and phonetic optimization).
  • •Partner with clinical, product, and engineering teams; generate performance reports, analyze transcripts/call logs, and recommend improvements.

Pay and Benefits

Salary: USD 4,000 - 5,000 monthly

Key Requirements

  • •5+ years of prompt engineering experience for voice AI and text-based conversational systems.
  • •Proven experience with Retell AI and Vapi for real-time voice interactions.
  • •Experience with chat orchestration frameworks such as LangChain and/or OpenAI Assistants API (or similar custom LLM wrappers).
  • •Experience running A/B testing on prompts to optimize conversion and information accuracy.
  • •Direct-to-consumer experience, especially for health-related support or high-intent customer journeys.
Experience:TelehealthHealthcarePrompt engineering
Skills:Analytical abilityTroubleshootingAttention to detailCreativityProactive problem-solvingAdaptability
Tech Stack:Retell AIVapiLangChainOpenAI Assistants APISSMLMarkdownLLMsSpeech-to-textText-to-speech

Company Brief

Scale Army
Scale Army is a growth marketing agency that helps startups and SMBs scale through performance marketing, paid media, and data-driven customer acquisition strategies tailored to drive revenue and growth.
Industry: Professional Services
Company Size: Small (11 to 50 employees)
Growth: Established Company
Funding: Bootstrapped
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