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Prompt Engineer | HumanBit main

full-time
Posted on 02-07-2026

Job Description

Prompt Engineer

Company Overview

Sofia is a stealth mode company revolutionizing the legal technology space with artificial intelligence solutions. Backed by top investors and having successfully raised over $3 million in the seed round, the company focuses on developing advanced voice AI systems tailored for U.S. law firms.

Job Summary

The Prompt Engineer will play a critical role in creating and optimizing multiple voice bots/voice agents designed for clients in the U.S. legal market. This position demands exceptional communication skills due to the nature of the work and aims to enhance client interactions through innovative voice technology.

Responsibilities

  • Develop and implement various voice bots and voice agents for clients within the legal sector.
  • Collaborate closely with stakeholders to analyze requirements and create effective prompts for voice interactions.
  • Ensure high-quality output and user experience through continuous testing and refinement of voice agents.
  • Stay updated on industry trends and advancements in voice AI technology to inform development strategies.
  • Gather and analyze user feedback to iterate on existing voice agents and improve performance.

Qualifications

  • A minimum of one year of experience working within a voice AI company is required.
  • Proven experience in prompt engineering, specifically in creating voice agents.
  • Educational qualifications should include graduation after 2021.
  • Strong experience in forward deployment with a focus on building agents for clients.
  • Demonstrated ability to lead projects and accomplish significant outcomes in the voice AI space.
  • Exceptional communication skills tailored for the U.S. market.
  • Proficiency in Natural Language Processing (NLP) and Machine Learning concepts.
  • Familiarity with speech recognition and voice user interface design.

Preferred Skills

  • Experience in building proprietary voice solutions or deploying a significant number of voice agents.
  • Familiarity with the legal industry and its specific needs for voice technology applications.

Experience

Candidates should have a minimum of one year of relevant experience in the voice AI field, particularly in roles focused on prompt engineering and client-oriented technology solutions.

Environment

The role will be based in Sofia and is categorized as a stealth mode company, emphasizing a dynamic and innovative work environment that prioritizes cutting-edge technology development.

Salary

Expected salary range is 1,000,000 - 1,400,000.

Growth Opportunities

Candidates may experience substantial opportunities for growth and advancement within the company as it continues to evolve its technology offerings and expand its client base in the legal sector.

Benefits

Details regarding benefits are not specified; however, candidates can expect a range of offerings typical for high-caliber tech roles in startups.

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