Senior Ruby on Rails Developer

We are looking for an experienced Senior Ruby on Rails Developer to join the team responsible for development of the product, which is evolving into a modern, cloud‑ready solution. In this role, you will have opportunity to influence architectural decisions, contribute production‑ready code, and collaborate closely with cross‑functional teams. Your daily responsibilities: • Build and improve core platform services and APIs • Design scalable, distributed system architecture • Implement and optimize key components in the codebase • Set engineering standards for reliability and maintainability • Drive deployments using Kubernetes and CI/CD automation • Collaborate across teams to align technical and product goals. Requirements: • 5+ years of software engineering experience, including senior‑level work • Strong proficiency in Ruby on Rails • Experience building and scaling distributed systems • Solid knowledge of Kubernetes, CI/CD, and IaC • Strong skills in API design and microservice communication • Ability to lead architectural initiatives and mentor other engineers. What we offer: • Attractive salary and benefits package, including Multisport card, insurance, and medical care • Hybrid work from the Krakow office • International work environment in a product company • Training and development opportunities within the organization • Joining the greefield project with pure development. Apply now!