Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

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

$80 per hour

Mind Rift

Freelance Software Developer (Ruby) / Quality Assurance (AI Trainer) 4 days ago Be among the first 25 applicants This opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please provide your resume in English and specify your proficiency level. 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 Following project-specific rubrics and requirements Collaborating with project leads, solution engineers, and supply managers on complex or experimental projects Note: Flexibility and quick adaptation to new requirements are essential. 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. 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 Why this freelance opportunity might be a great fit for you? 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 Seniority level Mid‑Senior level Employment type Part‑time Job function Other Industries IT Services and IT Consulting Referrals increase your chances of interviewing at Mindrift by 2x #J-18808-Ljbffr

Vacancy posted 4 days ago
Similar jobs that could be interesting for youBased on the Freelance Software Developer (Ruby) / Quality Assurance (AI Trainer) in Caledonia, WI vacancy
  • $60 per hour

     ...A leading AI development firm is seeking proficient programmers to join their team remotely. You will work on diverse coding tasks...  ...to AI systems, focusing on Android development and writing high-quality code. Fluency in English and proficiency in programming languages... 
    Suggested
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    2 days ago
  • $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,... 
    Suggested
    Hourly pay
    Full time
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    2 days ago
  • $60 per hour

     ...A leading AI development team is looking for proficient programmers to contribute to innovative AI systems. This fully remote role offers a flexible schedule with projects you can choose based on your time and interests. With competitive pay of up to $60/hour, you will... 
    Suggested
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    16 hours ago
  • $75 per hour

     ...Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not... 
    Freelance
    Hourly pay
    Permanent employment
    Temporary work
    Part time
    10 hours per week

    Mind Rift

    Caledonia, WI
    16 hours ago
  • $60 per hour

     ...A leading AI development firm is seeking proficient programmers to contribute to cutting-edge AI systems. The position offers full remote work, a flexible schedule, and competitive pay up to $60 per hour. Responsibilities include solving coding problems, writing clear... 
    Suggested
    Hourly pay
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    2 days ago
  • $55 per hour

     ...Overview Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. Please submit your CV in English and indicate your... 
    Freelance
    Hourly pay
    Permanent employment
    Temporary work
    Part time
    10 hours per week

    Mind Rift

    Caledonia, WI
    1 day ago
  • $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,... 
    Hourly pay
    Full time
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    4 days ago
  • $232.45k

     ...Nvidia, Meta, Shopify, GrubHub and more. We're looking for a Ruby Developer Advocate to help expand our reach within the Ruby community....  ...conferences, books), and toolings (up to 50% reimbursement for software, hardware, subscriptions, and co-working space). Transparency... 
    Ruby
    Permanent employment
    Full time
    For contractors
    Work at office
    Remote work
    Worldwide
    Flexible hours

    Serp Api

    Caledonia, WI
    16 hours ago
  • $103.71k - $138.28k

     ...technologies and methodologies that will enhance future capabilities. •Develop and execute test plans and procedures based upon system security...  ...systems. •Familiar with Unix Scripting language like Ruby, Perl or advanced KSH scripting. •Operational knowledge of system... 
    Ruby
    Temporary work
    Remote work

    Lumen

    Racine, WI
    5 days ago
  • $40 per hour

     ...A tech company specializing in AI is seeking experienced quantitative professionals to work remotely. The role involves evaluating AI-generated quantitative tasks and solving complex problems. Ideal candidates have 2+ years in related fields, coding experience, and knowledge... 
    Hourly pay
    Remote work

    DataAnnotation

    Caledonia, WI
    1 day ago
  • $60 per hour

    A leading AI development company is seeking proficient programmers for remote positions. Join a dynamic team to design coding problems, evaluate AI code, and contribute to innovative AI systems. This role offers competitive pay of up to $60/hour and the flexibility to... 
    Remote work

    DataAnnotation

    Caledonia, WI
    3 days ago
  • $60 per hour

     ...A leading AI development company is seeking proficient programmers to contribute to advancing AI systems. This remote role offers flexibility in project selection and scheduling, with competitive pay up to $60/hour based on performance. Ideal candidates should have strong... 
    Remote work

    DataAnnotation

    Caledonia, WI
    2 days ago
  •  ...Analytics is a global leader in AI and analytics, helping...  ...with 7+ years of experience in software engineering, with a heavy focus...  ...Practical experience developing autonomous or semi-autonomous...  ...different set of skills and qualities, so even if you don’t tick all... 
    Local area

    Tiger Analytics

    Caledonia, WI
    4 days ago
  • $50 - $100 per hour

     ...looking for proficient programmers to contribute to cutting-edge AI systems. This fully remote position allows you to work from...  ...include designing coding problems for AI systems, writing high-quality code, and evaluating AI-generated code. Qualifications include fluency... 
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    3 hours ago
  • A leading analytics firm in the United States is seeking a Full Stack Gen AI Engineer with over 7 years of experience, focused on Python and AWS infrastructure. The role involves building high-performance API services and integrating Generative AI technologies. Candidates... 

    Tiger Analytics

    Caledonia, WI
    4 days ago
  •  ...technology development firm is seeking experienced programmers to contribute to AI systems remotely. In this role, you will design coding challenges, assess AI-generated code, and write quality code snippets. Candidates should have strong programming skills, preferably in... 
    Hourly pay
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    1 day ago
  • $60 per hour

    A leading AI technology firm is seeking proficient programmers to contribute to cutting-edge AI systems. This remote role allows for a flexible schedule with competitive hourly pay up to $60 USD/hour. Responsibilities include coding problem design, code evaluation, and... 
    Hourly pay
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    4 days ago
  •  ...A cybersecurity-focused company is seeking experienced professionals to evaluate AI-generated security content and solve technical problems. The role offers flexibility, allowing candidates to work remotely and choose their projects. Ideal candidates will have over 2... 
    Remote work

    DataAnnotation

    Caledonia, WI
    16 hours ago
  • $40 per hour

     ...A cybersecurity firm is seeking experienced professionals to evaluate AI-generated security content and solve technical problems. In this remote role, you will work with AI models to assess their accuracy and provide valuable feedback. Candidates should have 2+ years... 
    Hourly pay
    Remote work

    DataAnnotation

    Caledonia, WI
    1 day ago
  • $60 per hour

     ...A leading AI development company is looking for proficient programmers to join their remote team. You will work on challenging coding...  ..., with responsibilities including designing solutions, writing quality code, and evaluating AI-generated outputs. This role offers... 
    Remote work

    DataAnnotation

    Caledonia, WI
    2 days ago
  • $40 per hour

     ...A cybersecurity firm seeks experienced professionals to evaluate AI-generated security content and solve technical problems. Candidates should have hands-on experience in cybersecurity, strong writing skills, and some coding knowledge. The role is available remotely,... 
    Hourly pay
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    3 hours ago
  • $40 per hour

     ...Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for experienced quantitative professionals to help advance AI development. AI models are increasingly... 
    Hourly pay
    Full time
    Remote work
    Flexible hours

    DataAnnotation

    Caledonia, WI
    8 hours ago
  • $1,000 per month

     ...A financial data analytics firm in Town of Texas is seeking an AI ML Engineer to design and maintain cutting-edge AI/ML solutions....  ...collaborative team, utilizing your skills in Python and MLOps while developing models with Pytorch and TensorFlow. The role offers numerous... 
    Remote work

    dv01

    Caledonia, WI
    16 hours ago
  • $1,000 per month

     ...Join to apply for the AI ML Engineer role at dv01 dv01 is lifting the curtain on the...  ...You will participate in the end-to-end software development of new feature functionality...  ...practices. Experienced with the latest AI/ML developments : You also will have at least 3 years... 
    Remote work

    dv01

    Caledonia, WI
    4 days ago
  •  ...A consulting firm is seeking a ServiceNow Agentic AI Developer to enhance their AI governance and automation practice. This remote position involves building AI-driven solutions for Integrated Risk Management and Third-Party Risk Management, using ServiceNow's advanced... 
    Remote work

    Templar Shield

    Caledonia, WI
    16 hours ago
  •  ...ServiceNow Agentic AI Developer - IRM, TPRM & BCM - Texas ServiceNow Agentic AI Developer - IRM, TPRM & BCM (Remote - U.S.) Templar Shield is expanding its next-generation AI governance and automation practice, and we're looking for a developer who lives at the intersection... 
    Remote work

    Templar Shield

    Caledonia, WI
    16 hours ago
  •  ...First American is seeking a hands-on Senior Software Engineer to oversee AI/ML initiatives. The candidate will bridge business needs with technical delivery, actively developing production features, and ensuring quality execution. This role requires 5–8 years of software... 

    First American

    Caledonia, WI
    5 days ago
  • $40 per hour

     ...A leading technology firm is searching for experienced cybersecurity professionals to help train AI models by evaluating AI-generated security content and solving technical problems. You will work remotely and must have at least 2 years of hands-on experience in areas... 
    Hourly pay
    Remote work

    DataAnnotation

    Caledonia, WI
    16 hours ago
  • $70k - $95k

     ...the ability to learn Tridium/Niagara (N4) software and the ability to create control...  ...sales proposal and design documentation. Develop system user interfaces, according to project...  ...add insights directly into each article, started with the help of AI. #J-18808-Ljbffr... 
    Full time
    Internship
    Work at office
    Remote work
    Work from home
    Monday to Friday
    Night shift

    Educated Solutions Corp

    Caledonia, WI
    4 days ago
  • $70k - $95k

     ...bachelor's degree in engineering. Candidates will learn to implement BAS projects and support clients with system setups, using Tridium Niagara software. This full-time position offers a salary range of $70K to $95K, along with a strong benefit program. #J-18808-Ljbffr... 
    Full time
    Remote work

    Educated Solutions Corp

    Caledonia, WI
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Freelance Software Developer (Ruby) / Quality Assurance (AI Trainer). Be the first to apply!