About Scalepex Scalepex is a nearshore talent partner that helps general companies scale through high-quality, specialized teams across technology, operations, and customer experience. We focus on delivering exceptional customer service, strong performance, and long-term collaboration. As part of Scalepex, you’ll work with international clients, modern tools, and a supportive team committed to excellence.

What You’ll Be Responsible For Application Development: Build and maintain scalable web applications using Ruby and the Rails framework.
Back-End Logic & APIs: Implement server-side logic, develop RESTful APIs, and manage background jobs.
Database Management: Design and maintain database schemas, optimize queries, and work with PostgreSQL or MySQL.
Integrations: Connect applications with third-party APIs and integrate front-end components with backend processes.
Quality & Testing: Implement automated testing (RSpec, Minitest), participate in code reviews, and ensure code quality.
Troubleshooting: Identify and resolve bugs, bottlenecks, and performance issues.
Collaboration: Work with designers, product managers, and engineering teams in Agile/Scrum environments.
Deployment (Optional/Senior):



Support CI/CD pipelines and deployments using AWS, Heroku, or similar platforms.
Requirements
What We’re Looking For Strong proficiency in Ruby and Ruby on Rails , including MVC, ORM, and RESTful design.
Experience with relational databases ( PostgreSQL, MySQL ) and schema design.
Basic knowledge of front-end technologies ( JavaScript, HTML5, CSS3 ) for integration purposes.
Proficiency with Git and version control best practices.
Strong analytical thinking and problem-solving skills.
Effective communication and ability to work in remote, cross-functional teams.
Bachelor’s degree in Computer Science, Software Engineering , or a related field — or equivalent hands-on experience.

Nice-to-Haves Experience with Redis, Sidekiq , or other background job tools
Familiarity with Docker
Experience deploying apps to AWS, Heroku , or other cloud environments
Exposure to CI/CD tools such as GitHub Actions, GitLab CI, or CircleCI
Benefits
Work Model Remote role, open to candidates anywhere in Mexico
Contractor scheme
You will be a Scalepex employee working for an international client

📌 Sr Ruby on Rails Developer - Remote - ONLY MEXICO (Ciudad de México)
🏢 Scalepex
📍 Ciudad de México