About The Role
What if your Ruby expertise could directly influence how AI understands and writes production-grade software for developers around the world? We're looking for experienced Ruby Software Engineers to help design, evaluate, and improve real-world software systems used in AI training and data-driven workflows.
Software Engineer – Ruby (AI Training)
What if your Ruby expertise could directly influence how AI understands and writes production-grade software for developers around the world? We're looking for experienced Ruby Software Engineers to help design, evaluate, and improve real-world software systems used in AI training and data-driven workflows.
This is a fully remote, adaptable contract role built for working engineers who want to do meaningful, high-impact work on their own schedule — no office, no commute, no rigid hours.

Organization: Alignerr
Type: Hourly Contract
Location: Remote
Commitment: 10–40 hours/week

What You'll Do

Develop and maintain backend services and APIs using Ruby and Ruby-based frameworks
Review, analyze,



and improve existing codebases for correctness, performance, and maintainability
Evaluate realistic software engineering scenarios to help create and validate high-quality technical datasets
Collaborate asynchronously with researchers and engineers to support AI training and evaluation efforts
Apply production-grade engineering thinking to real-world backend and API problems

Who You Are

2+ years of professional software engineering experience
Strong proficiency in Ruby and backend development concepts
Comfortable working with production codebases, RESTful APIs, and data-driven systems
Detail-oriented and analytical — you can clearly explain your technical decisions in writing
Self-motivated and dependable when working independently without close supervision

Nice to Have

Experience with Ruby on Rails or other Ruby-based frameworks
Familiarity with AI tools, data pipelines, or technical evaluation workflows
Background in

📌 Software Engineer (España)
🏢 Alignerr
📍 España