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 Postgre SQL or My SQL. 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 ( Postgre SQL, My SQL ) and schema design. Basic knowledge of front-end technologies ( Java Script, 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 Git Hub Actions, Git Lab CI, or Circle CI 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 (Hidalgo)
🏢 Scalepex
📍 Hidalgo