Senior Software Engineer - Ruby on Rails (Fullstack)

About the Role

As a Senior Software Engineer at Rail Europe, you will be a key contributor to the B2C engineering team, taking ownership of features within Rail Europe’s public-facing products.

• Developing and Delivering Solutions: Design, develop, and deliver high-quality software features using Ruby on Rails, contributing across backend and frontend with a strong backend core.
• Full Lifecycle Participation: Participate in all stages of the development lifecycle, from technical design to implementation, testing, deployment, and monitoring.
• Problem Solving & Optimization: Identify and help solve technical challenges related to data flows, performance, scalability, and overall system reliability.
• Technical Excellence: Write clean, modular, and maintainable code, supported by appropriate testing and aligned with engineering best practices.
• Collaborative Contribution: Work closely with engineers, Product Managers, and the Engineering Manager to deliver cohesive and valuable product features.
• Knowledge Sharing & Growth: Continuously learn, share knowledge with the team, and contribute to a culture of continuous improvement.
• Innovation & Engagement: Take part in team initiatives such as monthly hack days.

Who You Are

You are a senior, hands-on software engineer with a strong product mindset.

• Fullstack Engineer: Comfortable working across backend and frontend in a Ruby on Rails environment, with a clear strength on backend topics and a genuine interest in frontend development.
• Problem Solver: Able to understand root causes, propose pragmatic solutions, and make sound technical trade-offs.
• Craft-Oriented: You value code quality, testing, and long-term maintainability.
• AI-assisted development tools: You have hands-on experience using AI-powered developer tools in your daily work. You are comfortable integrating them into your workflow and contributing to their adoption within the team.
• Product-Oriented: You care about what you build, why it is built, and the impact it has on users and the business.

Must-Haves

• 8+ Years of Engineering Experience: A minimum of 8 years of progressive work experience as a software engineer.
• Ruby and Ruby on Rails: Extensive, in-depth knowledge and hands-on experience with Ruby and Ruby on Rails.
• Frontend Development Experience: Proven experience with modern frontend development.
• English Fluency: Mandatory professional working proficiency in English (our daily working language).

Nice-to-Haves

• BSc in Engineering, Computer Science, or a relevant field.
• Experience with or strong interest in Hotwire.
• Experience with PostgreSQL.
• Familiarity with AWS.
• Experience with Agile methodologies.