# Senior Backend Developer (Ruby on Rails)

> Workana · Pilar, Argentina (Remote) · Full-time · Posted 2025-09-04

**Salary:** USD 72,000–102,000

**Workplace:** remote

**Department:** Sirius

## 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

## Apply

[Apply at Workana](https://apply.workable.com/workana-premium/j/CF22F17D17/apply)

---
Powered by [Workable](https://www.workable.com)