Senior Backend Developer (Ruby on Rails)
Location: Pilar, Buenos Aires Province, Argentina, Buenos Aires, Buenos Aires, Argentina
Department: Workana B2B LATAM
Workplace: remote
Employment Type: full
Description
About the Role
We 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.
Responsibilities
- Design, 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.
Requirements
- 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 Stack
- Languages: Ruby, JavaScript, HTML, CSS
- Frameworks: Ruby on Rails, React (in some areas of the project)
- Database: PostgreSQL
- Infrastructure: Active migration to AWS
- Methodology: Agile
Benefits
- Competitive compensation: USD 5,000 – 6,000/month (on client’s payroll) 100% remote work, with occasional visits to the client’s office in Argentina
- Direct and stable employment with the client
- Opportunity to work with international stakeholders and high-level engineering teams
- Involvement in complex projects with continuous learning opportunities
Selection Process
- Interview with Workana
- Interview with People (Client)
- Technical interview with the Team Lead (based in Silicon Valley)
- Two final interviews with the client (one technical, one cultural)
Apply now and join a global team building impactful platforms.
- Location: Argentina (mandatory)
- Modality: Full-time, direct hire on the client’s payroll
- Company: Software company based in Pilar, Buenos Aires, providing services to global clients
- Industry: Edtech / Marketplace for educational activities
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