Salary: CHF 90’000 - 120’000 per year Requirements: Deeply experienced with Rails (5 years) Some DevOps Knowledge Ability to get into large base code with complex business logic You speak English and French Responsibilities: We are looking for a senior full-stack Rails engineer to work on our SaaS platforms and embedded devices that are on the field. We expect you to have experience in building high-scale cloud apps from conception to deployment. Our stack is mostly composed of Rails, React, Elixir/Phoenix, GraphQL, Redis, PostgreSQL, WebSocket/ActionCable and CINC. We're using Kamal for our deployments and we use GitHub. Here are some of the responsibilities you would have: Architect, develop, test and document maintainable software Contribute in building a high-scale app Performance analysis (being able to tell and fix issues related to being CPU-bound, DB-bound, memory-bound etc.) Provide detailed Code Reviews to your teammates and submit high-quality PRs Technologies: Architect Cloud Debian DevOps Elixir Embedded GitHub GraphQL Linux Phoenix PostgreSQL Rails React Redis Ubuntu Ruby More: We specialize in real-time passenger information and fleet management systems for buses, trains, cablecars as well as passenger informations systems at train stations, bus stops and many other different locations. The well-being of our employees is an essential element in the success of our company and we put a great deal of effort into having people feel good and productive. We make it a priority to let our software engineers focus fully on coding, without the distraction of meetings. last updated 5 week of 2026