Freelance Software Developer (Ruby) - AI Trainer

Overview

This job vacancy is for a Freelance Software Developer (Ruby) at Mindrift, an innovative company focused on the ethical development of AI. Candidates need to be residing in Finland and are expected to submit their applications in English along with their English proficiency details.

About the Company

Mindrift connects specialists with major tech innovators to enhance AI capabilities. They aim to harness collective intelligence to utilize Generative AI effectively, tapping into global expertise to tackle real-world AI challenges. This environment promotes innovation and allows developers to play a pivotal role in AI's evolution.

Job Role

The offered position revolves around enhancing AI models, specifically by assisting with generating AI training prompts, evaluating responses, and correcting outputs using developer expertise. Freelancers in this role will work on diverse projects designed to further the capabilities of Generative AI, which is noted for its rapid improvements. Responsibilities typically involve:

  • Generating challenging prompts for AI systems.
  • Creating scoring criteria to assess AI response accuracy.
  • Based on your knowledge, correcting AI output to maintain accuracy and relevancy.

This role provides freelancers valuable exposure to significant AI projects that align with their skills and allows for flexible working hours.

Required Skills

To qualify for this position, candidates must possess several critical skills and experiences:

  • Education: A Bachelor's or Master's Degree in Software Development, Computer Science, or related fields.
  • Experience: Minimum of 3 years in professional Ruby programming, along with familiarity with key ecosystem tools like RSpec and Bundler.
  • English Proficiency: A command of English at an advanced level (C1 or higher) is compulsory.
  • Technical Skills: Proficiency with Git, standard Linux command-line tools, and hands-on experience with containerization tools like Docker. Experience with CI/CD pipelines (e.g., GitHub Actions, GitLab CI, Jenkins) is desirable.
  • Testing Knowledge: A deep understanding of testing principles, including test-driven development (TDD), as well as skills in debugging, profiling, and optimizing code are essential.

Desirable Qualifications

While the essential skills above are required, having the following will enhance the application:


  • Contributions to open-source Ruby projects.
  • Experience in dealing with large monorepositories or significant open-source endeavors.
  • Background in automated benchmarking, scripting, and infrastructure-as-code tools.
  • Experience with AI-generated code or participation in code evaluation projects.

Soft Skills

In addition to technical abilities, successful candidates should exhibit specific soft skills including:

  • An analytical and detail-oriented mindset.
  • Ability to communicate concisely and clearly in documentation and team discussions.
  • A strong sense of ownership over tasks, with a proactive approach to proposing improvements and addressing risks.
  • Adaptability to shifting requirements and complex project landscapes, coupled with a strong capacity for teamwork, welcoming feedback, and engaging in code reviews.
  • Willingness to learn and quickly adjust to new tasks and methods.

Benefits

This freelance role allows for flexibility and also offers competitive compensation based on expertise, experience, and project needs, with rates approaching $52/hour. Benefits of this opportunity include:

  • The option to participate on a part-time basis, suitable for balancing with other professional or academic commitments.
  • The chance to gain experience in advanced AI projects, which will enhance your professional portfolio.
  • The opportunity to influence how future AI models operate and communicate in specific fields.

By allowing experts in programming and AI to work remotely with challenging projects, Mindrift aims to create a productive and innovative freelance environment. Applicants interested in shaping the future of AI through their software development skills can look forward to an enriching and flexible working experience.



This job offer was originally published on himalayas.app

Mindrift

Finland

Software development

Freelance

December 1, 2025

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