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Ruby developer Jobs in San Francisco, CA

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Ruby developer • san francisco ca

Last updated: 6 days ago

Remote Ruby Engineer - AI Trainer

SuperAnnotateAlameda, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

Software Engineer (Ruby/Rails), Advertising Platform

DoximitySan Francisco, CA
Remote
Full-time

At Doximity, we’re revolutionizing how doctors connect, collaborate and care for patients.As the largest medical network in the U.We help our members focus on what matters most: delivering excellen...Show more

Remote Ruby Engineer - AI Trainer

SuperAnnotateTamalpais-Homestead Valley, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

Remote Ruby Engineer - AI Trainer

SuperAnnotateSan Francisco, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

Remote Ruby Engineer - AI Trainer

SuperAnnotateSouth San Francisco, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

PHP Developer

FukuSan Francisco, CA, US
Full-time
Quick Apply

Impact Foundation is a non-profit organization dedicated to creating sustainable solutions for social challenges.With a focus on innovation and technology, Impact Foundation leverages digital tools...Show more

Job Developer

West Oakland Job Resource CenterOakland, CA, US
Full-time
Quick Apply

Job Developer The West Oakland Job Resource Center (WOJRC) is a non-profit, 501(c)(3), organization, the mission of which is to transform the lives of underserved residents of West Oakland and the ...Show more

Remote Ruby Engineer - AI Trainer

SuperAnnotateDaly City, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

iOS Developer

Hudson ManpowerSan Francisco, CA, US
Full-time

Seeking a motivated iOS Developer to design, develop, and maintain high-quality mobile applications for Apple devices.Must collaborate with cross-functional teams and follow best coding practices.D...Show more

Application Developer

TradeJobsWorkForce94160 San Francisco, CA, US
Full-time

Analyze the ideas, business models, and user requirements to formulate a design strategy to carry out.Act as a tenant to draw out a workable application design and coding parameters with the essent...Show more

 • Promoted

Fullstack Engineer (Ruby+React): 24-02860

Akraya IncSan Francisco, California, United States
Full-time
Quick Apply

Primary Skills: Full Stack Development (Expert), Ruby on Rails (Expert), React (Advanced), GraphQL (Intermediate), MySQL (Advanced), Communication (Expert).Duration: 6+ Months (2-3 Days Hybrid).We ...Show more

Remote Ruby Engineer - AI Trainer

SuperAnnotateOakland, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

Backend Engineer, Distributed Systems (Ruby)

JobotSan Francisco, California, US
Full-time

This Jobot Job is hosted by: Christina Finster Are you a fit? Easy Apply now by clicking the "Quick Apply" buttonand sending us your resume.Salary: $150,000 - $180,000 per year A bit about us: Our ...Show more

Quantitative Developer

NPA WorldWideSan Francisco, California, USA
Full-time +1

Job description: *This role is based in San Francisco and requires being in-office 5 days a week.Key Responsibilities Design and implement robust data pipelines and tools that bring quantitative re...Show more

Remote Ruby Engineer - AI Trainer

SuperAnnotateEmeryville, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

Remote Ruby Engineer - AI Trainer

SuperAnnotateTiburon, California, US
Remote
Full-time

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step ...Show more

Web Developer

JobvanceSan Francisco, CA, us
Full-time

Seeking individuals to build, maintain, and improve web-based applications while collaborating with cross-functional team:.Write clean, well-structured, and maintainable code using HTML, CSS, and J...Show more

.NET Developer

MarshWagnerSan Francisco, California, United States
Full-time

NET Developer who is capable of building.Your primary role will be to create the applications from scratch, configure the systems and provide user support.Further, you will have to work smoothly wi...Show more

Senior Fullstack Engineer (Ruby / Python / React)

CrewAISan Francisco, CA, US
Full-time
Quick Apply

We are looking for an experienced Fullstack Engineer to join our dynamic team at crewAI.You will be instrumental in advancing our crewAI+ platform, a Ruby on Rails application that heavily leverage...Show more

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Remote Ruby Engineer - AI Trainer

Remote Ruby Engineer - AI Trainer

SuperAnnotateAlameda, California, US
30+ days ago
Job type
  • Full-time
  • Remote
Job description

As an hourly paid, fully remote Ruby Engineer for AI Data Training, you will review AI-generated Ruby and Rails code or generate your own solutions, evaluate the reasoning quality and step-by-step problem-solving, and provide expert feedback that helps models produce answers that are accurate, logical, and clearly explained. You will assess solutions for readability, maintainability, and correctness; identify errors in MVC structure, domain modeling, or control flow; fact-check information; write high-quality explanations and model solutions that demonstrate idiomatic Ruby patterns; and rate and compare multiple AI responses based on correctness and reasoning quality.

This role is with SME Careers, a fast-growing AI Data Services company and subsidiary of SuperAnnotate that provides AI training data for many of the world’s largest AI companies and foundation model labs, and your work will directly help improve the world’s premier AI models while giving you the flexibility of impactful, detail-oriented remote contract work.

Key Responsibilities :

  • Develop AI Training Content : Create detailed prompts in various topics and responses to guide AI learning, ensuring the models reflect a comprehensive understanding of diverse subjects.
  • Optimize AI Performance : Evaluate and rank AI responses to enhance the model's accuracy, fluency, and contextual relevance.
  • Ensure Model Integrity : Test AI models for potential inaccuracies or biases, validating their reliability across use cases.

Your Profile :

  • 1–2+ years of professional Ruby programming experience in production environments.
  • Strong understanding of Ruby on Rails, MVC architecture, and idiomatic Ruby patterns for structuring application code.
  • Hands-on software engineering experience building and maintaining Ruby or Rails applications, with exposure to real-world production constraints.
  • Ability to evaluate readability, maintainability, and logical correctness in Ruby and Rails code, including model, controller, and service-layer design.
  • Significant experience using LLMs or AI coding assistants while programming, combined with a disciplined approach to validating and reviewing their output.
  • Excellent English writing skills, capable of producing clear, structured, and pedagogical technical explanations and code reviews.
  • Minimum Bachelor’s degree in Computer Science or a closely related technical field.
  • Previous experience with AI data training, large-scale code review, or evaluation of AI-generated technical content is strongly preferred; Minimum C1 English proficiency and an extremely detail-oriented working style are required.
  • Highly preferred : experience with frameworks and tools such as Ruby on Rails, Sinatra, and RSpec in real projects.
  • Preferred : merged PRs in Ruby open-source projects, experience with metaprogramming or test-heavy systems, and competitive programming exposure.