About the RoleWe are looking for a Senior Ruby on Rails Developer (Backend Focus) to join a talented international team and contribute to the development of a scalable platform that connects families with educational providers.This is a direct hire opportunity with the client's payroll, offering long-term stability and professional growth.ResponsibilitiesDesign, develop, and maintain scalable backend solutions with Ruby on Rails.Solve complex technical challenges related to performance, concurrency, and distributed architecture.Lead technical initiatives and mentor other team members.Collaborate with cross-functional teams (Product, Frontend, DevOps) in an Agile environment.Participate in architectural decisions and support the migration of infrastructure to AWS.Contribute to improving scalability, reliability, and performance of the platform.Proven experience with Ruby on Rails in main projects in recent years (not only side projects).
Strong track record building and scaling large, complex products (high concurrency, millions of users, critical integrations).
Expertise in performance optimization, architecture design, and scalability.Experience leading projects or technical teams in e-commerce, marketplaces, or large-scale digital platforms.General frontend knowledge (React, HTML,



CSS, JavaScript) is a plus.Advanced English (C1 or higher, mandatory): you will work closely with international stakeholders.Current residence in Argentina (mandatory).
Tech StackLanguages: Ruby, JavaScript, HTML, CSSFrameworks: Ruby on Rails, React (in some areas of the project)Database: PostgreSQLInfrastructure: Active migration to AWSMethodology: AgileCompetitive compensation: USD 5,*******,000/month (on client's payroll) 100% remote work, with occasional visits to the client's office in ArgentinaDirect and stable employment with the clientOpportunity to work with international stakeholders and high-level engineering teamsInvolvement in complex projects with continuous learning opportunitiesSelection ProcessInterview with WorkanaInterview with People (Client)Technical interview with the Team Lead (based in Silicon Valley)Two final interviews with the client (one technical, one cultural)Location: Argentina (mandatory)Modality: Full-time, direct hire on the client's payrollCompany: Software company based in Pilar, Buenos Aires, providing services to integral clientsIndustry: Edtech / Marketplace for educational activities
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📌 Senior Backend Developer (Ruby On Rails) (Córdoba)
🏢 Workana
📍 Córdoba