Freelance Software Developer (Ruby) - Quality Assurance (AI Trainer)

Overview Freelance Software Developer (Ruby) - Quality Assurance (AI Trainer) At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into real-world expertise from across the globe. GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Coding, you\'ll have the opportunity to collaborate on these projects. Responsibilities Code generation and code review Prompt evaluation and complex data annotation Training and evaluation of large language models Benchmarking and agent-based code execution in sandboxed environments Working across multiple programming languages (Python, JavaScript/TypeScript, Rust, SQL, etc.) Adapting guidelines for new domains and use cases Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects How To Get Started Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you\'ll help shape the future of AI while ensuring technology benefits everyone. Requirements You have a Bachelor\'s in Software Development, Computer Science, or other related fields. You have at least 3 years of professional experience with Ruby, hands-on experience with Ruby testing frameworks (RSpec, Minitest, Capybara) and automation tools Experience using, integrating, or tutoring others with AI/ML or LLM-powered testing/coding solutions in Ruby projects Code review experience is a must Hackathon or competitive coding experience is a plus Your level of English is advanced (C1) or above You are ready to learn new methods, able to switch between tasks and topics quickly and sometimes work with challenging, complex guidelines Our freelance role is fully remote so, you just need a laptop, internet connection, time available and enthusiasm to take on a challenge Benefits Take part in a part-time, remote, freelance project that fits around your primary professional or academic commitments Work on advanced AI projects and gain valuable experience that enhances your portfolio Influence how future AI models understand and communicate in your field of expertise Details Seniority level: Mid-Senior level Employment type: Part-time Job function: Other Industries: IT Services and IT Consulting J-18808-Ljbffr

Location: Rio de Janeiro, Rio de Janeiro, BR

Posted Date: 9/15/2025