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Ruby developer [h1.location_city]

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Ruby developer • san mateo ca

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Remote Ruby Engineer - AI Trainer

Remote Ruby Engineer - AI Trainer

SuperAnnotateSan Bruno, California, US
[filters.remote]
[job_card.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][last_updated.last_updated_30]
  • [promoted]
  • [new]
Senior Software Developer

Senior Software Developer

North Dakota StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job Post.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant serv...[show_more][last_updated.last_updated_variable_hours]
SAP Developer

SAP Developer

Barrow Wise ConsultingCA, USA
[job_card.temporary]
[filters_job_card.quick_apply]
Enjoy problem-solving, need a venue to display your creativity, and emerging technologies pique your interest; if so, Barrow Wise Consulting, LLC is for you. As a multi-disciplined leader, you under...[show_more][last_updated.last_updated_30]
Java Developer

Java Developer

Seven Seven SoftwaresMenlo Park, CA, US
[job_card.full_time]
RESPONSIBILITIES : Effectively work with the PMO, Development, Product Management, Business and Technical Operations, Systems Engineering, Infrastructure, Networks and Architecture teams.Design and ...[show_more][last_updated.last_updated_30]
  • [promoted]
Senior Software Developer

Senior Software Developer

Oklahoma StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job Posting.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant s...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Senior Software Developer

Senior Software Developer

Kansas StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job Posting.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant s...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Kernel Developer (eBPF)

Kernel Developer (eBPF)

Argyle InfotechSan Bruno, CA, United States
[job_card.full_time]
Kernel Developer (eBPF) is responsible for developing and maintaining the Linux kernel.The ideal candidate will have 8-12 years of work experience and a strong background in Linux.[show_more][last_updated.last_updated_variable_days]
  • [promoted]
  • [new]
Lead BI Developer

Lead BI Developer

Fractal, Inc.Atherton, CA, United States
[job_card.full_time]
Fractal Analytics is a strategic AI partner to Fortune 500 companies with a vision to power every human decision in the enterprise. Fractal is building a world where individual choices, freedom, and...[show_more][last_updated.last_updated_variable_hours]
  • [promoted]
Senior Software Developer

Senior Software Developer

Atlanta StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant services ...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Product Developer

Product Developer

Shaw BakersBrisbane, CA, United States
[job_card.full_time]
Shaw Bakers is growing! As a national leader in the commercial Premium Artisan Bakery category, we are searching for an experienced Product Developer to join our dynamic team, bringing their pastry...[show_more][last_updated.last_updated_1_day]
  • [promoted]
Senior Software Developer

Senior Software Developer

Oregon StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job Post.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant serv...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Senior Software Developer

Senior Software Developer

Nashville StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job Post.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant serv...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
iOS App Developer

iOS App Developer

Veterans Sourcing Group LLCMenlo Park, CA, United States
[job_card.full_time]
Location : Menlo Park, CA (On-site, min.Duration : 12+ months Pay rate : $87 / hr W2 We are seeking experienced Senior iOS Developers to join our Wealth Management App team. You'll build and optimize cli...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Senior Software Developer

Senior Software Developer

South Dakota StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job Post.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant serv...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
Linux BSP Developer

Linux BSP Developer

iTechStack IncBurlingame, CA, United States
[job_card.full_time]
Should have worked on Vehicle Mobile Application, connecting mobile device in Vehicles, Bluetooth, BLE, OATH etc.Job Title : Linux BSP Developer. Individual Contributor, Requirement Analysis, Design / ...[show_more][last_updated.last_updated_1_day]
Business Developer

Business Developer

BrightView LandscapesBurlingame, CA, US
[job_card.full_time]
The Best Teams are Created and Maintained Here.The Business Developer (BD) works to improve BrightView’s market position and achieve profitable financial growth. This role helps to achieve long-term...[show_more][last_updated.last_updated_variable_days]
  • [promoted]
  • [new]
Senior Software Developer

Senior Software Developer

Vermont StaffingRedwood City, CA, United States
[job_card.full_time]
Oracle Cloud Infrastructure (OCI) Job.Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for leading enterprises worldwide. Our cloud offers hyper-scale, multi-tenant services ...[show_more][last_updated.last_updated_variable_hours]
Business Developer

Business Developer

Qplox engineeringundefined, Leuven
[job_card.full_time]
We are looking for an HR & Recruitment Specialist.[show_more][last_updated.last_updated_30]
Sr. PHP Developer

Sr. PHP Developer

Connvertex Technologies Inc.San Mateo, CA, United States
[job_card.full_time]
[filters_job_card.quick_apply]
Key Responsibilities Design, develop, and maintain scalable web applications using Laravel, Symfony, or CodeIgniter.Architect backend systems capable of han...[show_more][last_updated.last_updated_variable_days]
Remote Ruby Engineer - AI Trainer

Remote Ruby Engineer - AI Trainer

SuperAnnotateSan Bruno, California, US
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
  • [filters.remote]
[job_card.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.