Prompt Engineer

About the Team

We're expanding our Prompt Engineering team and are looking for a Conversational Designer to join us!

Responsibilities

• Analyze how business processes work on the client side: study internal instructions for employees, as well as real conversation recordings and transcripts.
• Based on this analysis, design scripts and prompts for AI agents to automate these processes.
• Create training and test data sets.
• Develop and apply methodologies to assess the quality of the AI agents’ performance and use them to refine the agents.

Requirements

• Native Portuguese speaker — this role involves designing and writing conversational content entirely in Portuguese; native-level fluency is mandatory.
• 2–3+ years of hands-on experience working on AI/ML or conversational AI projects — ideally in fintech, telecom, or retail.
• Proven experience writing and iterating prompts for LLMs (GPT, Claude, Gemini, or similar) for real business use cases.
• Experience designing end-to-end conversational flows for chatbots or AI agents, including intent mapping, dialogue trees, and fallback handling — experience with RASA is a strong plus.
• Background in business process analysis: ability to translate complex workflows into clear, structured dialogue scenarios.
• Strong written communication skills — you will be writing production-level bot copy and prompt instructions, not just specs.
• Python scripting skills are a plus.

What We Offer

• The team has built award-winning AI products for tech corporations — devices, voice assistants, products that are actually in the world.
• Cutting-edge tech stack: Speech Technologies, NLP, Generative AI (LLMs, diffusion models), voice-first agentic architecture with privacy-first and on-premises deployment.
• High engineering bar and real ownership — the team cares about what actually works in production, not what looks good in a demo, and you'll see the impact of your work directly.
• Fast career progression — a senior-heavy team and a high volume of real problems means you grow faster than you would anywhere else.
• Startup pace with enterprise stability — real clients, real revenue, no bureaucracy.
• Fully remote across Europe.
• 21 vacation days + public holidays + 5 sick days.
• Private English lessons via Preply.

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