Ruby on Rails Full-Stack Developer (React, Swift, Kotlin required)

About the Position

We are seeking a Senior Full-Stack / Mobile Engineer to take end-to-end technical ownership of an established multi-platform product. This role involves working on web, mobile (iOS & Android), and backend development.

Responsibilities9

• Take full ownership of the system across Web, Mobile (iOS & Android), and Backend
• Maintain, support, and enhance existing functionality
• Conduct code reviews and lead refactoring initiatives
• Identify, prioritize, and resolve technical debt
• Design and implement new features across multiple platforms
• Ensure system scalability, reliability, and performance
• Collaborate with stakeholders to define priorities and roadmap
• Improve engineering processes, standards, and workflows
• Gradually step into a leadership role as the team expands

Requirements9

• Strong hands-on experience with iOS development (Swift)
• Strong hands-on experience with Android development (Kotlin)
• Solid experience with modern web frameworks (e.g., Next.js or similar)
• Backend development experience with Ruby
• Practical experience working with AWS infrastructure
• Experience with MongoDB or similar databases
• Ability to work effectively across multiple codebases and technologies
• Strong understanding of system architecture and cross-platform integration
• Proven experience maintaining and improving legacy systems