Senior Software Engineer - Ruby on Rails (Fullstack)

Permanent contract
Paris
Fully-remote
Salary: €60K to 70K
Experience: > 7 years
Education: BAC+3

Rail Europe
Rail Europe

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Questions and answers about the job

The position

Job description

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.


Preferred experience

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.

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.


Recruitment process

  1. Phone Screening

  2. Online Coding

  3. System design

  4. Cultural fit

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