Prompt Engineer – Focus: Voice AI

🕒 June 26

🌐 Germany, United Kingdom – Remote

🇩🇪 Germany – Remote 🇬🇧 United Kingdom – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Artificial Intelligence

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onpreo

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2021

🏠 Real Estate

☁️ SaaS

📣 Marketing

Real Estate • SaaS • Marketing

onpreo is a company that offers innovative software solutions for the real estate industry. It provides tools such as the intelligent Immobilienpreisfinder for real estate pricing, and the One-Click-Deal™ for digital contract management. onpreo helps real estate agents improve their acquisition processes and maximize their sales efficiency with features like automated pipelines and comprehensive marketing services.

📋 Description

• Develop and optimize prompts for generative AI models, with a particular focus on Voice AI • Conduct tests to improve model performance, accuracy, and relevance of outputs • Fine-tune and automate input commands (prompts) to increase efficiency and consistency • Analyze usage data and model outputs to enable continuous improvements and data-driven decisions • Integrate and calibrate Voice AI systems based on platforms such as fonio, vapi ai, retell ai, ElevenLabs, or Deepgram • Develop, train, and maintain internal Voice AI prototypes and workflows • Monitor current trends and technical developments in generative AI, prompt engineering, and speech models to advance internal strategies

🎯 Requirements

• Experience working with voice and AI platforms such as fonio, vapi ai, retell ai, ElevenLabs, Deepgram, or comparable tools • Knowledge of integrating, controlling, and optimizing voice-AI systems • Practical experience delivering your own Voice AI projects is a strong advantage • Basic technical knowledge of TypeScript, Python, or similar languages is desirable • Passion for generative AI, language models, and voice technologies • Creative and analytical thinking to develop innovative AI interactions • Excellent German and English skills, both written and spoken

🏖️ Benefits

• Young company, 100% remote, and a high level of trust—ideal conditions if you want to grow professionally and personally, develop your skills, and make an impact at a fast-scaling company • Join us as the real estate industry, one of the world’s largest sectors, undergoes digital transformation • An international, supportive, and motivated team that looks forward to welcoming you and hosting regular team events • An inspiring company culture based on shared values such as drive, positivity, progress, and “Deliver Wow” • With “onpreo Flex” you decide where you are most effective • Our remote work policy includes the option to work from home or from any location within the United Kingdom or the European Economic Area