12 oct
|
Ersilia
|
España
You will take ownership of a backend system that is critical to the company and our customers.
Hands-on code implementation, code reviews, testingEnsure reliability, performance and correctness.Improve code quality and internal structure where possible.What we are looking for:5 years plus experience building and maintaining production systems as backend engineerStrong experience with Ruby on RailsAI-first mindset using tools like Cursor, Claude Code, Codex, in your daily workflowWorking on large-scale productsExperience owning systems that are business critical.Advanced level of English.Tech Stack:Language & Platform: RubyData: PostgreSQL or RedisInfrastructure: TailwindLocation:Barcelona, Spain
or Fully remote within a +/- 4hrs CET
📌 Senior Backend Developer | Ruby on Rails (España)
🏢 Ersilia
📍 España