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MisuJob - AI Job Search Platform MisuJob

Language Engineer - Native in English (From Canada or Australia)

Confidential

Barcelona, Catalunya [Cataluña], Spain permanent

Posted: February 17, 2026

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Quick Summary

Join our team to support the training of Machine Learning and Natural Language Processing models for our AI Voice Assistant project.

Job Description

At M47, we spark AI!

We help multinational tech companies understand how AI can drive their strategic objectives, effectively plan an implementation roadmap, and facilitate change management. By leveraging AI, businesses achieve higher productivity, more satisfied clients, and better-informed decisions.

Join us in making the future more intelligent!

About your day-to-day:

You will join our AI Voice Assistant project to ensure seamless user interactions. Our mission is to support the training of Machine Learning and Natural Language Processing models to expand the model's responsiveness across different languages. To do so, we work in a native language environment.

• Scripting & Automation: Design and write Python scripts from scratch to process, clean, and validate massive text datasets (JSON, XML, CSV).

• Algorithmic Analysis: Investigate model failures by analyzing logs and data patterns, using code to identify root causes rather than manual review.

• Write complex Regex rules to automatically detect and fix linguistic errors across thousands of lines of data.

• Troubleshoot technical issues during data ingestion and export, working with the core engineering team to resolve encoding or formatting errors.

• Provide technical feedback to improve internal annotation tools and automate repetitive tasks using shell scripts or simple bots.

• Version Control: Manage datasets and codebase changes using Git (branching, committing, and merging).

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