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Software Engineer – Ruby (AI Training) About The Role What if your Ruby skills could directly influence how AI understands and generates real-world software? We're looking for experienced Ruby Software Engineers to work on production-grade systems and help shape the technical datasets that train the next generation of AI coding tools. This is a fully remote, flexible contract role built for engineers who love clean code, thoughtful architecture, and meaningful work. No AI background required — just strong Ruby chops and a sharp engineering mind. Organization: Alignerr Type: Hourly Contract / Task-based Location: Remote Commitment: 10–40 hours/week What You'll Do Design, build, and maintain backend services and APIs using Ruby and Ruby-based frameworks Review and analyze real-world codebases for correctness, performance, and maintainability Evaluate realistic software engineering scenarios and help create high-quality technical datasets Validate and refine AI-generated Ruby code — identifying bugs, edge cases, and architectural weaknesses Collaborate asynchronously with researchers and engineers supporting AI training and evaluation efforts Work independently on task-based assignments, fully on your own schedule Who You Are 2+ years of professional software engineering experience Strong proficiency in Ruby and core backend development concepts Comfortable reasoning about production codebases, REST APIs, and data-driven systems Detail-oriented and analytical — you can clearly explain the why behind technical decisions Self-motivated and reliable when working independently without close supervision Nice to Have Experience with Ruby on Rails or other Ruby-based frameworks Familiarity with testing frameworks such as RSpec or Minitest Background in code review, technical writing, or engineering mentorship Exposure to AI tools or software evaluation workflows Experience working with distributed or asynchronous teams Why Join Us Work on cutting-edge AI projects alongside leading research labs Fully remote and flexible — work when and where it suits you Freelance autonomy with the structure of meaningful, task-based engineering work Make a direct, tangible impact on how AI understands and writes real-world Ruby code Potential for ongoing work and contract extension as new projects launch