Freelance Software Developer (Ruby) - Quality Assurance (AI Trainer) [Remote]
$50 per hourMindrift
- Remote job
This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates.
At Mindrift , innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI.
What we do
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.
About the Role
GenAI models are improving very quickly, and one of our goals is to make them capable of addressing specialized questions and achieving complex reasoning skills. If you join the platform as an AI Tutor in Coding, you’ll have the opportunity to collaborate on these projects.
Although every project is unique, you might typically:
- 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
- Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects
How to get started
Simply apply to this post, qualify, and get the chance to contribute to projects aligned with your skills, on your own schedule. From creating training prompts to refining model responses, you’ll help shape the future of AI while ensuring technology benefits everyone.
- You have a Bachelor's in Software Development, Computer Science, or other related fields.
- You have at least 3 years of professional experience with Ruby, hands-on experience with Ruby testing frameworks (RSpec, Minitest, Capybara) and automation tools
- Experience using, integrating, or tutoring others with AI/ML or LLM-powered testing/coding solutions in Ruby projects.
- Code review experience is a must.
- Hackathon or competitive coding experience is a plus.
- Your level of English is advanced (C1) or above .
- 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.
Why this freelance opportunity might be a great fit for you?
- Get paid for your expertise, with rates that can go up to $50/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.
$50 per hour
...ethically shape the future of AI. What we do The Mindrift... ...You have a Bachelor's in Software Development, Computer Science,... ...professional experience with Ruby, hands-on experience with Ruby... ...complex guidelines. Our freelance role is fully remote so, you just...FreelanceRubyRemote jobFull timePart time$50 per hour
...ethically shape the future of AI. What we do The Mindrift... ...Bachelor's or Master’s degree in Software Development, Computer Science,... ...professional experience with Ruby. Code review experience... ...complex guidelines. Our freelance role is fully remote so, you...FreelanceRubyRemote jobFull timePart time$55 per hour
...ethically shape the future of AI. What we do The Mindrift... ...Bachelor's or Master’s Degree in Software Development, Computer Science,... ...with excellent command of Ruby and key ecosystem tools (RSpec... ...complex guidelines. Our freelance role is fully remote so, you just...FreelanceRubyRemote jobFull timePart time$60 per hour
...Freelance Software Developer (Ruby) - AI Trainer GenAI models are improving very quickly, and one of our goals at Mindrift is to make them capable of addressing specialized questions and achieving complex reasoning skills. As an AI tutor in coding, you will collaborate...FreelanceRubyPart timeRemote work$60 per hour
Freelance Software Developer (Ruby) - AI Trainer Location : Remote, full‑time, freelance Overview At Mindrift, we connect AI projects with specialists worldwide. As an AI Trainer in coding, you’ll help improve generative AI models by generating prompts, scoring responses...FreelanceRubyFull timePart timeRemote workWorldwide$80 per hour
...ethically shape the future of AI. What we do The... ...tests to ensure the quality, performance, and... .... Collaborate with developers to identify, reproduce... ...in Computer Science, Software Engineering, Software... ...complex guidelines. ~ Our freelance role is fully remote...FreelanceRemote jobFull timePart time$60 per hour
...intelligence to ethically shape the future of AI. What we do The Mindrift platform... ...or Master’s Degree in Computer Science, Software Engineering, Software Development,... ...challenging, complex guidelines. Our freelance role is fully remote so, you just need a...FreelanceRemote jobFull timePart time- ...We're always looking for talented developers to add to our internal database of resumes. If you're experienced in any of the technologies... ...Android development Javascript development with AngularJS Javascript development with ReactJS Ruby on Rails development...FreelanceRubyFull time
$55 per hour
A leading AI consultancy is looking for a Freelance AI Trainer specializing in Civil Engineering and Python. This part-time, fully remote role allows you to design and evaluate AI models on realistic civil engineering problems. Ideal candidates will possess a degree in...FreelancePart timeRemote work$55 per hour
...A leading AI consultancy is seeking experienced Civil Engineers with Python skills to freelance as AI Trainers. This remote role involves designing and evaluating AI solutions geared towards real-world engineering problems. Candidates should possess strong analytical...FreelanceRemote work$55 per hour
An innovative AI consultancy is seeking a Freelance AI Trainer to leverage expertise in Civil Engineering and Python. This remote, part-time role involves designing practical engineering problems and evaluating AI solutions. The ideal candidate has a relevant degree, strong...FreelancePart timeRemote work$55 per hour
A tech-driven AI company is looking for experienced Civil Engineers with Python skills to train AI models on realistic problems. This part-time freelance role allows for flexible hours and pays up to $55/hour for your expertise. Candidates should possess a degree in Civil...FreelancePart timeRemote workFlexible hours$100 - $140 per hour
...Description We are seeking a Freelance Sr-level Backend Developer (Machine Learning/Python).... ...experience developing software in Python, with a strong focus... ...machine learning and applied AI. ~Hands-on experience... ...technologies. ~Familiarity with Ruby and Ruby-based applications...FreelanceRubyHourly payFull timeContract workImmediate startRemote work$55 per hour
A leading AI innovation firm is looking for a Freelance AI Trainer specializing in Civil Engineering and Python. This role involves training AI models with real-world civil engineering problems, leveraging expert knowledge in various civil engineering domains. Candidates...FreelanceRemote workFlexible hours$55 per hour
A leading AI consulting firm is seeking a Freelance AI Trainer with expertise in Civil Engineering and Python to develop and evaluate AI models. This remote position offers flexibility, allowing candidates to design rigorous engineering problems and validate AI outputs...FreelanceRemote work$55 per hour
...Freelance AI Trainer - Civil Engineering & Python 1 day ago Be among the first 25 applicants This opportunity is only for candidates currently... ...engineering judgment and analytical rigor, not drafting or software development. What You'll Do Design technically...FreelancePart timeRemote workFlexible hours- ...an hourly paid, fully remote Ruby Engineer for AI Data Training, you will... ...solutions, evaluate the reasoning quality and step‑by‑step problem‑... ...application code. Hands‑on software engineering experience building... .... Key Responsibilities Develop AI Training Content: Create...FreelanceRubyRemote jobHourly payContract workPart time
$60 per hour
...DataAnnotation team and contribute to developing cutting‑edge AI systems, while enjoying the... ...Android development. Write clear, high‑quality code snippets and detailed explanations... ...progress). Previous experience as a Software Developer, Coder, Software Engineer,...FreelanceHourly payFull timeRemote workFlexible hours$50 - $75 per hour
...DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the... ...Android development. Write clear, high‑quality code snippets and detailed explanations... ...progress). Previous experience as a Software Developer, Coder, Software Engineer,...FreelanceHourly payFull timeRemote workFlexible hours$70 - $120 per hour
...technical talent with leading AI research labs.... ...Dorsey . Position: Software Engineer Type: Freelance Compensation: $7... ...Craft realistic developer prompts across multiple categories... ...reasoning and explanation quality. Collaborate with AI...FreelanceFull timeSummer workImmediate start$25 - $30 per hour
...DataAnnotation is seeking analytical small business owners or freelancers to help train AI chatbots. The role involves developing prompts, testing AI models, and evaluating outputs based on established guidelines. Candidates can work 5-40 hours per week, with pay starting...FreelanceHourly payContract workFor contractorsRemote workFlexible hours$25 - $30 per hour
...DataAnnotation is looking for independent contractors to assist in training AI chatbots. This role involves developing complex prompts, evaluating AI outputs, and writing high-quality responses. Freelancers can choose projects and set their schedule from home. Ideal...FreelanceHourly payContract workFor contractorsRemote workFlexible hours- **SR. SOFTWARE QA ENGINEER****SR. SOFTWARE QA ENGINEER**in a job... ...deployment and validation; Lead Quality Assurance projects implementation life... ...-based, Java script, Ruby, and protractor programming... ...using database functionalities; Develop platforms, frameworks, interfaces...RubyFull timeRemote workRelocation
$60 per hour
...A leading AI development company is seeking proficient programmers to work on innovative AI systems remotely. You will be involved in programming tasks related to coding problems, data analysis, and visualization. The work can accommodate various schedules, making it...Remote work$60 per hour
...A leading AI development company is looking for proficient programmers to join their remote team. The role involves designing coding problems for AI systems, writing high-quality code, and evaluating AI-generated code. Ideal candidates should be fluent in English, have...Hourly payRemote work$60 per hour
...A leading AI development company is seeking proficient programmers to contribute to cutting-edge AI systems. Enjoy the flexibility of remote work while solving diverse coding problems and refining intelligent systems. Ideal candidates will have fluency in English and...Remote work$60 per hour
...A leading AI development company is seeking skilled programmers to work on innovative AI systems from anywhere. This fully remote... ...designing coding challenges for AI training and writing clear, high-quality code. Candidates should have proficiency in programming...Hourly payRemote workFlexible hours$60 per hour
...A leading AI technology company is seeking proficient programmers to contribute to cutting-edge AI systems with a fully remote opportunity... ..., focusing on Android development, and write clear, high-quality code. The ideal candidate will have fluency in English, experience...Hourly payRemote workFlexible hours- ...Analytical Chemistry Specialist - AI Trainer, New Grad (Remote) Join to apply for the Analytical... ...type Full-time Job function Industries Software Development Referrals increase your... ...roles. AI Trainer for Inorganic Chemistry (Freelance, Remote) AI Trainer for Analytical...FreelanceFull timeContract workH1bRemote workWorldwide
$145k - $175k
...Description This role builds and owns the AI and data systems at the core of Tern's product... ...central to Tern's product, and the quality of those AI features lives or dies on the... ...agency. Requirements ~Experience with Ruby on Rails or working directly from an application...RubyFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Freelance Software Developer (Ruby) - Quality Assurance (AI Trainer) [Remote]. Be the first to apply!
- software engineer full time Remote
- software system engineer Remote
- consulting software engineer Remote
- software engineer travel Remote
- software engineer mainframe Remote
- software engineer unity Remote
- real time software engineer Remote
- network software engineer Remote
- senior software engineer remote Remote
- entry level software engineer remote Remote





