Back-End Developer

JR Spain; Islas Baleares; Presencial; EUR 40.000 - 70.000; A tiempo parcial

Descripción de la vacante

A forward-thinking tech company is seeking a Back-end Developer specializing in Ruby on Rails. This fully remote freelance position requires expertise in building and integrating scalable applications, with a focus on quality code and collaboration among a multidisciplinary team. The ideal candidate has over 6 years of experience, particularly in API integrations and best coding practices, and embodies a proactive approach to knowledge sharing.

Formación

• 6+ years of relevant experience in software development.
• Strong experience with Ruby on Rails in a production environment.
• Solid experience with Git and version control workflows.

Responsabilidades

• Design and build robust, scalable, and maintainable applications using Ruby on Rails.
• Develop and maintain integrations with third-party systems.
• Write clean, tested, and high-quality code with strong test coverage.

Conocimientos

Ruby on Rails

APIs Integration

Git

PostgreSQL

NoSQL

CI/CD

Asynchronous Task Handling

Test-driven Development

Descripción del empleo

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? Back-end Developer – Ruby on Rails (Remote, Freelance)

Contract Type: Freelance

Commitment: Full-time

Location: Fully Remote

About the Role

A forward-thinking tech company focused on workplace well-being is looking for a passionate and experienced Back-end Developer (Ruby on Rails) to join its growing team. This role is ideal for someone who thrives in fast-paced, purpose-driven environments and enjoys working on integrations and scalable systems that support impactful digital products.

You’ll be focused on integrating the company’s core application with third-party platforms and services, working alongside a multidisciplinary team of engineers, product managers, and designers.

Key Responsibilities

• Design and build robust, scalable, and maintainable applications using Ruby on Rails.
• Develop and maintain integrations with third-party systems (SSO, SCIM, APIs, etc.).
• Write clean, tested, and high-quality code with strong test coverage.
• Participate in code reviews and ensure development best practices are upheld.
• Collaborate with technical and non-technical teams to deliver reliable features.
• Share knowledge proactively and contribute to a culture of continuous learning.
• Ensure secure and efficient user lifecycle management through integrations.

Ideal Candidate Profile

• 6+ years of relevant experience in software development.
• 4+ years working with Ruby on Rails in a production environment.
• Strong experience integrating with external systems via APIs, especially with SAML/SSO and SCIM protocols.
• Deep understanding of asynchronous task handling (e.g., with Sidekiq).
• Solid experience with Git and version control workflows.
• Skilled in both relational (PostgreSQL) and NoSQL databases (Redis).
• Familiarity with CI/CD, automated deployments (Capistrano), and AWS services (S3, EC2, CloudFront, etc.).
• Experience with RSpec, Capybara, and other test-driven development tools.
• Familiarity with RESTful API development and SaaS product environments.
• Strong grasp of OOP, SOLID principles, and architectural patterns.

Nice to Have

• Experience with tools like Apigee or similar API management platforms.
• Knowledge of Active Directory management and related security standards.
• Background in database multitenancy or MVC framework segregation.
• Contributions to open-source or personal projects (share your GitHub if available).
• Previous experience in startups or fast-growing tech teams.
• Excellent communication and collaboration skills.