Scalepex is seeking a Senior Ruby on Rails Developer to build and maintain scalable web applications for an international client. In this remote role, you will be responsible for implementing back-end logic and APIs, managing databases, and ensuring code quality while collaborating with a team focused on exceptional customer service and performance.

What You'll Do

Build and maintain scalable web applications using Ruby and the Rails framework.
Implement server-side logic, develop RESTful APIs, and manage background jobs.
Design and maintain database schemas, optimize queries, and work with PostgreSQL or MySQL.
Connect applications with third-party APIs and integrate front-end components with backend processes.
Implement automated testing with RSpec or Minitest, participate in code reviews, and ensure code quality.
Identify and resolve bugs, bottlenecks, and performance issues.
Work with designers, product managers, and engineering teams in Agile/Scrum environments.
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 like PostgreSQL or 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 Have

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.

Technical Stack

Languages & Frameworks: Ruby, Ruby on Rails, JavaScript, HTML5, CSS3
Databases & Tools: PostgreSQL, MySQL, Redis, Sidekiq
DevOps & Infrastructure: Git, Docker, AWS, Heroku
Testing & CI/CD: RSpec, Minitest, GitHub Actions, GitLab CI, CircleCI

Team & Environment

You will work with designers, product managers, and engineering teams in Agile/Scrum environments. The culture is focused on delivering exceptional customer service, strong performance, and long-term collaboration using modern tools.