Senior Ruby on Rails Engineer - AI & LLM Systems (Remote)

ioet; United States; Remote; USD 110,000 - 170,000; Full time

Benefits offered by this job

USD compensation

Paid Holidays and Vacations

Paid family and sick leaves

Educational and wellness bonus

Structured career plan with regular SA

salary reviews

Job summary

ioet is seeking an experienced Senior Ruby on Rails Engineer to join a remote, full-time team in the United States. You will contribute to building AI-powered capabilities within a mature software platform, combining backend Rails work with modern React applications.

You will design, test, and ship production-ready AI solutions, working across Rails and React, and collaborating through Agile practices to deliver scalable product features and AI workflows.

Qualifications

• 5+ years of professional experience developing applications with Ruby on Rails.
• Experience working in large, production-grade Rails applications or monolithic architectures.
• Hands-on experience designing and shipping LLM-powered features in production.
• Experience building retrieval-based systems, AI workflows, or structured LLM integrations.
• Experience evaluating AI systems and measuring model quality through testing or evaluation frameworks.
• Working knowledge of React to develop, test, and troubleshoot frontend features.
• Experience integrating with third-party APIs and external services.
• Strong debugging, problem-solving, and architectural decision-making skills.
• Experience working collaboratively through code reviews, technical discussions, and Agile development practices.
• Based in Latin America.

Responsibilities

• Build scalable Rails backend and React frontend features.
• Lead adoption of AI-powered workflows and integrate LLM features.

Skills

Ruby on Rails

LLM-powered features

React

APIs

Agile development

Problem solving

Tools

Heroku

Vercel

Job description

ioet is seeking an experienced Senior Ruby on Rails Engineer to join a remote, full-time team in the United States. You will contribute to building AI-powered capabilities within a mature software platform, combining backend Rails work with modern React applications.

You will design, test, and ship production-ready AI solutions, working across Rails and React, and collaborating through Agile practices to deliver scalable product features and AI workflows.