Software Engineer, AI Data - Madrid, Spain

Role overview Build the data infrastructure that supports AI model training and new audio-based products. You’ll source audio data and develop large-scale pipelines and processing systems, working with AI researchers to improve dataset quality, scale, and cost efficiency.

Responsibilities - Identify audio data sources and create dependable pipelines to bring data into training datasets. - Develop and operate large-scale data processing systems, improving quality, throughput, and cost. - Work with AI researchers to refine datasets and support new model development. - Own engineering work from investigating a problem through implementation and ongoing improvement.

Requirements - Degree in computer science or a related field, or equivalent practical experience. - At least five years of professional software engineering experience and strong backend fundamentals. - Proficiency with Python and Bash in Linux environments. - Experience building and running production systems; data pipelines or large-scale processing experience is especially relevant. - Strong problem-solving skills, initiative, and ability to work independently through ambiguity.

Nice to have - Experience with web crawling, data acquisition, or distributed processing. - Cloud infrastructure and Infrastructure as Code experience, especially GCP and Terraform. - Familiarity with machine learning datasets, data quality, or audio processing.

Benefits and work setup The role offers autonomy and an asynchronous work culture, with the opportunity to contribute to products at the intersection of AI and audio. Compensation varies by experience and is listed for Spain as USD 30,000–110,000 per year, plus bonus and stock.