Freelance Software Developer

Freelance Software Developer (Ruby) – AI TrainerThis opportunity is only for candidates currently residing in the specified country.Your location may affect eligibility and rates.Please submit your resume in English and indicate your level of English proficiency.At Mindrift, innovation meets opportunity.We believe in using the power of collective intelligence to ethically shape the future of AI.What We DoThe 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.About The RoleGenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills.As an AI Tutor in Coding, you'll have the opportunity to collaborate on these projects.ResponsibilitiesDesign prompt variations and evaluation cases to surface edge behaviors, failure modes, and performance regressionsCollaborate with engineers to align prompts with project constraints, APIs, and CI/CD workflowsIterate on prompt strategies using test results and human feedback to improve reliability and reduce hallucinationsDocument prompt patterns, expected outputs, and known limitations to support reuse and handoffsHow To Get StartedSimply 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.RequirementsBachelor's or Master's Degree in Software Development, Computer Science, or related fields3+ years of professional experience, excellent command of Ruby and key ecosystem tools (RSpec, Bundler)Confident use of Git and standard Linux CLI toolsHands-on experience with containerization (Docker) and CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins)Deep understanding of testing principles and test-driven development (TDD); strong skills in debugging, profiling, and code optimizationLevel of English is advanced (C1) or aboveDesirableContributions to open-source Ruby projects (pull requests, code reviews, issue tracking)Experience working with large monorepositories or major open-source projectsExperience with automated benchmarking, scripting, or infrastructure-as-code toolsExperience working with AI-generated code or in code evaluation projectsSoft SkillsAnalytical and detail-oriented mindset: proactively identifies bugs, edge cases, and test coverage gapsConcise and structured communication, both in documentation and asynchronous team discussionsStrong ownership: able to drive tasks end-to-end, propose improvements, and promptly flag risks or blockersAdaptability and resilience: thrives in fast-changing requirements and ambiguous project contextsTeam player: open to code reviews, feedback, and knowledge sharingOur freelance role is fully remote.You just need a laptop, internet connection, time available, and enthusiasm to take on a challenge.BenefitsGet paid for your expertise, with rates that can go up to $17/hour depending on your skills, experience, and project needsTake part in a part-time, remote, freelance project that fits around your primary professional or academic commitmentsWork on advanced AI projects and gain valuable experience that enhances your portfolioInfluence how future AI models understand and communicate in your field of expertiseReferrals increase your chances of interviewing at Mindrift by 2xSeniority level: Mid-Senior levelEmployment type: Part-timeJob function: OtherIndustries: IT Services and IT Consulting#J-*****-Ljbffr