Senior Software Engineer - Ruby on Rails (Fullstack)

Join Rail Europe as a Senior Software Engineer, where you will play a crucial role in the B2C engineering team. You will be responsible for designing, developing, and delivering high-quality software features using Ruby on Rails, participating in all stages of the development lifecycle, and solving technical challenges related to data flows, performance, scalability, and system reliability. You will work closely with engineers, Product Managers, and the Engineering Manager, and contribute to a culture of continuous improvement.

• Participer à toutes les étapes du cycle de développement, de la conception technique à la mise en œuvre, aux tests, au déploiement et à la surveillance.
• Identifier et aider à résoudre les défis techniques liés aux flux de données, aux performances, à l'évolutivité et à la fiabilité globale du système.
• Travailler en étroite collaboration avec les ingénieurs, les chefs de produit et le responsable de l'ingénierie pour livrer des fonctionnalités de produit cohérentes et précieuses.

**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.
• **Product-Oriented:** You care about what you build, why it is built, and the impact it has on users and the business.
• **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.

**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.