Senior Backend Developer (Ruby on Rails)

About the Role

We are looking for a Senior Ruby on Rails Developer (Backend Focus) to join a talented international team and contribute to the development of a scalable platform that connects families with educational providers.

This is a direct hire opportunity with the client’s payroll, offering long-term stability and professional growth.

Responsibilities

• Design, develop, and maintain scalable backend solutions with Ruby on Rails.
• Solve complex technical challenges related to performance, concurrency, and distributed architecture.
• Lead technical initiatives and mentor other team members.
• Collaborate with cross-functional teams (Product, Frontend, DevOps) in an Agile environment.
• Participate in architectural decisions and support the migration of infrastructure to AWS.
• Contribute to improving scalability, reliability, and performance of the platform.

Requirements

• Proven experience with Ruby on Rails in main projects in recent years (not only side projects).
• Strong track record building and scaling large, complex products (high concurrency, millions of users, critical integrations).
• Expertise in performance optimization, architecture design, and scalability.
• Experience leading projects or technical teams in