Software Engineer - Ruby

Software Engineer – Ruby (AI Training) About The Role What if your Ruby expertise could directly influence how AI writes, reviews, and reasons about production-grade software — for millions of developers around the world? We're looking for experienced Ruby Software Engineers to help evaluate and improve AI-generated code, design realistic engineering scenarios, and contribute to the datasets that train the next generation of AI coding tools. Your real-world backend knowledge will shape how AI thinks about Ruby — from API design to system architecture. This is a fully remote, flexible contract role built around your schedule. No AI background required — just strong Ruby skills and a sharp engineering mind. Organization: Alignerr Type: Hourly Contract / Task-based Location: Remote Commitment: 10–40 hours/week What You'll Do Review and evaluate AI-generated Ruby code for correctness, performance, and maintainability Develop and refine backend services and APIs as part of realistic engineering tasks Identify bugs, edge cases, and architectural issues in AI-produced code and provide detailed, structured feedback Help create and validate technical datasets by working through real-world software engineering scenarios Collaborate asynchronously with researchers and engineers to support AI training and evaluation efforts Clearly articulate your technical reasoning and decision-making in written evaluations Who You Are 2+ years of professional software engineering experience Strong proficiency in Ruby and backend development — you're comfortable in production codebases Solid understanding of APIs, data-driven systems, and software design principles Naturally detail-oriented with an analytical, methodical approach to problem-solving Able to explain technical decisions clearly and concisely in writing No prior AI or machine learning experience required Nice to Have Experience with Ruby on Rails or other Ruby-based frameworks Background in code review, technical writing, or engineering mentorship Familiarity with testing frameworks, CI/CD pipelines, or system design patterns Exposure to data engineering, ML infrastructure, or AI tooling 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 work Make a direct, tangible impact on how AI understands and writes Ruby code Potential for ongoing work and contract extension as new projects launch

Review and evaluate AI-generated Ruby code for correctness, performance, and maintainability. Develop backend services and create technical datasets to train and improve AI coding tools.

Requires 2+ years of professional software engineering experience with strong proficiency in Ruby and backend development. Candidates must be detail-oriented and able to clearly articulate technical reasoning in writing.

Identified from the job description. Confirm important requirements above.

• Ruby
• Backend Development
• API Design
• System Architecture
• Code Review
• Software Design Principles
• Ruby on Rails
• Technical Writing
• CI/CD Pipelines
• Testing Frameworks

• Software
• Technology
• Engineering
• Data & Analytics

Minimum experience

2+ years

Posting language

English

Working hours

40 hours per week

Seniority

Entry level