> Markdown version of [/jobs/ext/3048408-language-data-annotators](https://www.wearedevelopers.com/jobs/ext/3048408-language-data-annotators). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Language Data Annotators - **Company:** Dataforce By Transperfect - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Virtual Agents - **Published:** September 24, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role This role requires a high level of independence, adaptation, and accuracy - a love of attention to detail will help to succeed in this role!, + Idiomatic fluency in Italian and English + Eligible to work in Barcelona + Must be of legal age (18+) + Great reading and comprehension skills + Ability to meet daily KPIs + Excellent time management skills + Ability to work independently + Flexibility to respond and react to changing priorities, quickly and efficiently + Ability to track, analyze, and report issues + Full-time availability (39 hours/week) for the duration of the project + Ability to understand and implement feedback + Detail-oriented and comfortable with repetitive tasks + Bachelor degree or equivalent ## Description Language Data Annotators will focus on creating diverse and challenging prompts for an AI assistant, ensuring they reflect real-world scenarios and cover a wide range of topics and styles. Your role involves crafting prompts that test the assistant's ability to understand and execute complex instructions accurately. No previous experience or training in the field is required - we will teach you all you need to know. Role Responsibilities + Develop natural language prompts that mimic human interactions, covering different styles (e.g., argumentative, narrative) and topics (e.g., science, history, technology) + Check and refine prompts to ensure they meet quality standards for natural language and user engagement + Ensure the prompts set includes a mix of difficulty levels to assess the AI's adaptability and problem-solving skills