Competitive Programming Expert - Freelance AI Trainer

About this job

Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. What this opportunity involves We're building competitive-programming problems and their automatic graders (test cases + checkers) used to train advanced AI coding models. You'll create problems, write both correct and deliberately-wrong solutions, and design the tough test cases that catch subtly-broken code. Your work is what makes the training signal trustworthy.…

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Software Developer salaries in Spain

Based on 46 postings that disclose pay.

Estimated from advertised pay across our sources — indicative gross annual figures, not an offer.

Most-requested skills in Spain

Based on 475 Spain vacancies that list requirements, these are the skills employers ask for most often.

• Java36% of postings
• Git29% of postings
• Python29% of postings
• CI/CD29% of postings
• Agile/Scrum28% of postings
• AWS23% of postings
• SQL22% of postings
• Kubernetes21% of postings

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