About Scalepex

Scalepex is a nearshore talent partner that helps integral 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. 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 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 (León)
🏢 Scalepex
📍 León