🇪🇺 Spain • Contract
Senior Backend Engineer
🏢 RemoteJobsOne
📍 Madrid
📅 26 September 2026
Job Description
to candidates based in Spain. Pay: $50–$100/hr Role Title: Senior Backend Engineer Role Type: Contractor (20 hrs perweek..., you will create Reinforcement Learning Environments that test an AI model’s ability to design, deploy, troubleshoot, secure, scale
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