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

Mindrift; South Carolina; Remote; USD 82,656 - 110,208; Part time

Benefits offered by this job

Competitive pay up to $80/hour

Flexible, part-time freelance opportunities

Experience with advanced AI projects

Job summary

An innovative AI company is seeking a Freelance Software Developer specializing in Ruby, offering up to $80/hour, flexible part-time remote work. You will be involved in advanced AI projects, focusing on training and evaluating large language models, while collaborating with experts in innovative environments. Candidates should have a Bachelor’s degree and at least 3 years of experience. Strong skills in Ruby testing frameworks and CI/CD tools are essential, along with an advanced level of English.

Qualifications

• At least 3 years of professional experience in software development.
• Hands-on experience with Ruby testing frameworks and automation tools.
• Advanced English (C1) proficiency.

Responsibilities

• Generate and review code for various projects.
• Evaluate prompts and perform complex data annotations.
• Train and assess large language models.

Skills

Ruby testing frameworks (RSpec, Minitest, Capybara)

Automation tools

Code review and quality analysis

CI/CD environments (GitHub Actions, GitLab CI, Jenkins, CircleCI)

Containerization technologies (Docker)

Debugging Ruby applications

Education

Bachelor’s or Master’s Degree in Software Development or Computer Science

Tools

Docker

Job description

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.

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
• Following project-specific rubrics and requirements
• Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects

Requirements

• You hold a Bachelor’s or Master’s Degree in Software Development, Computer Science, or other related fields.
• You have at least 3 years of professional experience, including hands-on experience with Ruby testing frameworks (RSpec, Minitest, Capybara) and automation tools
• Your level of English is advanced (C1) or above
• Proficient with code review, quality analysis, and identifying/fixing code smells, anti-patterns, and test gaps in Ruby codebases
• Experience with test integration in CI/CD environments (GitHub Actions, GitLab CI, Jenkins, or CircleCI)
• Experience using, integrating, or tutoring others with AI/ML or LLM-powered testing/coding solutions in Ruby projects
• Familiarity with containerization technologies (Docker), automated deployment, and scripting within Ruby environments
• Strong skills in defect documentation, profiling, and debugging Ruby applications
• Experience generating and maintaining high-quality documentation for tests, bugs, and technical debt
• Hackathon or competitive coding experience is a plus
• 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

• Get paid for your expertise, with rates that can go up to $80/hour depending on your skills, experience, and project needs
• 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