Sr Ruby on Rails Developer - Remote - ONLY MEXICO

About Scalepex

Scalepex is a nearshore talent partner that helps global 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