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Monterail

Senior Ruby on Rails Developer

Monterail

. Develop back-office features in Ruby on Rails .

Posted 9/19/2026contractWrocław • PolandSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Proficient in developing back-office features using Ruby on Rails and designing PostgreSQL databases with a focus on security and normalization. Experienced in data migration, integration with external systems, and maintaining code quality for sensitive data.

Highest-signal resume keywords
Ruby On Rails DevelopmentPostgreSQL Database DesignData MigrationSecure Application DesignCI/CD Awareness

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Ruby On RailsPostgreSQLData MigrationRelational Database DesignNormalizationData IntegrityReactC#/.NETPunditInertia.js
Tools & Technologies
CRM IntegrationPayment Gateway IntegrationContainerized Environment Infrastructure
Industry Keywords
Travel IndustryHospitality IndustryCustomer-Care Focus

Tech Stack

Tools & technologies
JavaScriptMS SQL ServerPostgresReactRubyRuby on RailsSQL.NET

About the role

Key responsibilities & impact
  • Develop back-office features in Ruby on Rails
  • Model and design PostgreSQL databases with a strong focus on security and normalization
  • Migrate data and business logic from the legacy MS SQL Server system
  • Analyze existing structures and port them thoughtfully and securely
  • Build integrations with external systems, including CRM and payment gateways
  • Work with PM/PO to reconstruct domain logic from the old system
  • Maintain code quality and security for sensitive customer and billing data
  • Build and maintain internal tools supporting client-matching, sales, and operations workflows

Requirements

What you’ll need
  • Solid commercial experience with Ruby on Rails
  • Skills in relational database design, including normalization and data integrity
  • Basic familiarity with React
  • Awareness of CI/CD and containerized environment infrastructure
  • Understanding of secure application design principles
  • Experience with data/system migrations, Pundit, Inertia.js, or feature flags (nice to have)
  • Knowledge of C#/.NET (nice to have)
  • Experience in the travel/hospitality industry or projects with a strong customer-care focus (nice to have)

Benefits

Comp & perks
  • Remote work: 90% remote with occasional office visits
  • Freelance engagement