Description: * Solid knowledge of Ruby on Rails and backend development; * Proficiency in object-oriented programming paradigms, Clean Code, unit testing, design patterns, and SOLID principles; * Experience with MVC architecture, REST APIs, synchronous/asynchronous communication, state management, Clean Architecture, Event-Driven Architecture, metrics, and telemetry. Mastery of Domain-Driven Design. Ability to design evolutionary, flexible, and scalable architectures; * Ability to present clear proposals, act as a mentor, and facilitate meetings with conflicting interests; * Understanding of the company’s vision and accountability for complete epics—from refinement through production delivery; * Ability to make mature, data-driven decisions and delegate effectively. Understanding of the full product development lifecycle (discovery, delivery, and infrastructure); * Writing well-scoped, testable, and efficient code; * Ensuring projects comply with specifications; * Supporting continuous improvement by researching alternatives and technologies and presenting them for architectural review; * Initiating code reviews and raising the technical bar using sound software development practices; * Conducting and disseminating refactoring principles across the team; * Acting as a mentor for less experienced team members; * Influencing architectural decisions at both team and tribe levels; * Leading team refinement and planning ceremonies. 2512060202191907460