Ruby on Rails Developer

About This Role

The Ruby on Rails Developer will solve complex problems, build useful features, and improve existing code, focusing 90–95% on back-end tasks with occasional front-end adjustments. This role involves close collaboration with Product Owners, Test, and Support teams, balancing technical decisions with business needs.

Responsibilities

• Deliver well-designed features and maintainable solutions backed by automated tests
• Provide realistic estimates, manage your time well, and take ownership of delivery, raising risks early
• Proactively identify and address performance bottlenecks, leaving the code you touch cleaner and easier to maintain
• Recognize opportunities for improvement and drive practical changes while balancing business priorities
• Work with technical and business stakeholders on solutions that meet immediate needs and support long-term project health
• Participate in peer code reviews
• Support testing and help resolve production issues alongside our Test and Support teams

Requirements

• 3+ years of Ruby on Rails experience, delivering and maintaining production applications
• Confidence working with complex business logic and a substantial legacy codebase, including fluency in Ruby 2.7 and Rails 5.x, and familiarity with newer versions
• Experience with relational databases such as MySQL or PostgreSQL, including query optimization
• Experience building and integrating RESTful APIs
• Experience with automated testing using RSpec
• A solid understanding of OOP, SOLID principles, and design patterns, with the judgment to apply them pragmatically
• Enough HTML, CSS, JavaScript (jQuery) and CoffeeScript knowledge to make occasional front-end changes
• Hands-on experience using AI development tools to improve productivity and quality, with the technical judgment to understand and validate their output and take responsibility for the code you deliver
• Strong problem-solving skills, curiosity, and a willingness to keep learning and adapt to new tools and ways of working
• Clear communication with technical and non-technical stakeholders
• Proficiency in English, both written and spoken

Nice to have:

• Experience with payments, billing, invoicing, or financial services
• Experience developing SaaS applications
• Familiarity with CI/CD
• Experience with Docker or Kubernetes
• Hands-on experience upgrading Ruby and Rails applications

Benefits

• Performance-based annual bonus
• Health insurance from Day 1
• Learning, development, and career growth opportunities across an international company