Senior Rails Engineer - Remote & Data Migrations

Monterail

Wrocław

Hybrid

PLN 180,000 - 250,000

Full time

7 days ago

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Job summary

Monterail is seeking a Senior Ruby on Rails Developer to join a client in the luxury travel and hospitality space. The role focuses on migrating data and business logic from a legacy MS SQL Server system, developing back-office features in Rails, and building integrations with CRM and payment gateways.

The position is based in Wrocław, Poland, with 90% remote work and occasional office visits; Wrocław is a strategic focus for the company.

Qualifications

Solid commercial experience with Ruby on Rails.
Skills in relational database design (normalization, data integrity).
Basic React familiarity.
Awareness of working in a CI/CD and containerized environment infrastructure.
Understanding of secure application design principles.

Responsibilities

Developing back-office features in Rails.
Modeling and designing the PostgreSQL database with a strong focus on security and normalization (premium customer data).
Migrating data and business logic from the legacy system (MS SQL Server) — analyzing existing structures and porting them thoughtfully and securely.
Building integrations with external systems (CRM, payment gateway).
Working with PM/PO to reconstruct domain logic from the old system.
Maintaining code quality and security in the context of sensitive customer and billing data.