Scale Army Careers

Senior Conversational AI – Prompt Engineer

Scale Army Careers

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Posted on:

Location Type: Remote

Location: Egypt

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Salary

💰 $4,000 - $5,000 per month

Job Level

Senior

About the role

  • Design, develop, and refine high-performance prompts for Voice AI agents and chatbots, ensuring clarity, engagement, and alignment with the brand’s clinical voice.
  • Debug and optimize prompts to improve response accuracy, natural language flow, and user satisfaction across both text and voice interactions.
  • Manage context continuity so AI systems maintain patient history and conversational state across chat-based and voice-based interactions.
  • Use Retell AI and Vapi for real-time voice interactions, focusing on low-latency responses and natural conversational turn-taking.
  • Utilize orchestration tools such as LangChain, OpenAI Assistants API, or similar frameworks to build logic-driven conversational experiences.
  • Implement SSML and phonetic optimization for voice applications, while using Markdown and structured data for chat interfaces.

Requirements

  • 5+ years of experience in prompt engineering across voice AI and text-based conversational systems.
  • Proven experience with Retell AI and Vapi.
  • Experience with chat orchestration frameworks such as LangChain, Intercom, OpenAI Assistants API, or custom LLM wrappers is highly preferred.
  • Direct-to-consumer experience, particularly in health-related support or high-intent customer journeys.
  • Experience running A/B testing on prompts to optimize conversion and information accuracy.
Benefits
  • Fully Remote (Work from Home)
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
prompt engineeringnatural language processingA/B testingSSMLphonetic optimizationMarkdownconversational designuser satisfaction optimizationcontext continuity managementlow-latency response optimization
Soft Skills
clarityengagementcommunicationproblem-solvingcollaborationattention to detailadaptabilitycreativityanalytical thinkingcustomer focus