Senior Backend Engineer – Ruby on Rails

Описание

You will take ownership of a backend system that is critical to the company and our customers, and have the opportunity to help define the roadmap and find the best technical solutions.

Responsibilities

• Hands-on code implementation, code reviews, testing
• Ensure reliability, performance and correctness
• Diagnose and resolve complex production issues
• Collaboration with other engineering & Product teams
• Make pragmatic decisions balancing risk, maintainability, and business needs
• Improve code quality and internal structure where possible

Requirements

• 5 years plus experience building and maintaining production systems as backend engineer
• Strong experience with Ruby on Rails
• AI-first mindset using tools like Cursor, Claude Code, Codex, in your daily workflow
• Working on large-scale products
• Experience owning systems that are business critical
• Methodical approach to debugging and problem solving
• Comfortable working autonomously with high ownership
• Advanced level of English

We offer

• On-site (Barcelona, Spain) or remote work (±4 hrs CET)

Tech Stack

• Language & Platform: Ruby
• Data: PostgreSQL or Redis
• Infrastructure: Tailwind