Ruby On Rails Developer

Our requirements

• Mid: minimum 3 years, Senior: minimum 5 years of professional experience with Ruby and Ruby on Rails.
• Strong experience with PostgreSQL and relational database design; familiarity with NoSQL, caching, and message brokers.
• Practical knowledge of REST APIs, WebSockets, and authentication methods (JWT, cookie-based, OAuth).
• Experience with CI/CD, Docker and Git workflows.
• Good understanding of design patterns, SOLID principles, and automated testing (RSpec, Minitest, or similar).
• Experience making architectural decisions that consider scalability and reliability.
• Daily use of AI tools in development and ability to critically review AI-generated code.
• Fluent English for client-facing communication; fluent Polish for internal collaboration.

Optional

• Frontend experience with Vue or React.
• Experience with AWS (or other cloud providers) and Nginx.
• Background in HealthTech or pharmacy domains (HIPAA, e-prescribing, insurance workflows, FHIR).
• Experience working embedded at client sites, in consulting, as a full-stack delivery engineer, or in startups with broad responsibilities.
• Benefits.

Your responsibilities

• Develop and maintain server-side features in a large Ruby on Rails codebase organized by domain.
• Design and optimize relational data models in PostgreSQL; integrate with MSSQL where required.
• Implement and maintain background processing with Sidekiq and ensure reliable job flows.
• Build and maintain REST APIs and WebSocket endpoints; implement secure authentication (JWT, cookie-based, OAuth).
• Write and maintain automated tests (Minitest or similar), using fixtures and following test-first practices where appropriate.
• Participate in architectural decisions with scalability and security in mind.
• Use feature flags (LaunchDarkly) to deliver safe, incremental releases; monitor errors via Sentry and work with analytics in Metabase.
• Review and refine code produced with AI assistance and apply critical judgement to ensure quality and security.
• Work closely with stakeholders and clients in English and participate in technical calls, demos, and requirements discussions.
• Contribute to continuous integration and delivery pipelines (Docker, CI/CD) and collaborate on operational improvements.

About the project

This is how we work on a project

• Continuous Deployment
• Continuous Integration

What we offer

• Remote working.
• Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere.
• Agile approach and no bureaucracy.
• Outstanding integration trips to various places in Europe.
• Activities to support your well-being and health.
• Luxmed Gold Extended medical care and Multisport Plus benefit.

Benefits

• sharing the costs of sports activities
• private medical care
• remote work opportunities

Recruitment stages

• 1.
  Screening Call
• 2.
  Cultural Fit Interview
• 3.
  Technical Interview
• 4.
  Final Round Interview

YOUR ITEAMS sp. z o.o.