Mid/Senior Ruby On Rails Developer

Your ITeams Sp. z o.o.; United States; Remote; USD 120,000 - 160,000; Full time

Benefits offered by this job

Luxmed Gold Extended medical care

Multisport Plus

Job summary

Your ITeams Sp. z o.o. is seeking a Mid/Senior Ruby on Rails Developer for the US healthtech market. You will work on a mature Rails monolith, uphold security standards for sensitive medical data, and help speed prescription-to-delivery features.

You will design data models, implement background jobs with Sidekiq, write tests, and participate in architecture decisions. English is required for client calls; Polish supports internal collaboration.

Qualifications

• Minimum 3 years for mid, 5 years for senior in Ruby/Rails.
• Proficiency in PostgreSQL relational design; MSSQL familiarity.
• Experience with CI/CD, Docker and Git workflows.
• Solid testing mindset with RSpec or Minitest.
• Ability to make scalable, secure architectural decisions.
• Daily use of AI tools; critical review of AI-generated code.
• Fluent English for client-facing work; Polish for internal collaboration.

Responsibilities

• Develop and maintain server-side features in a large Rails monolith.
• Design and optimize relational data models; integrate MSSQL when required.
• Implement and maintain background processing with Sidekiq.
• Write and maintain automated tests (RSpec or Minitest).
• Participate in architecture decisions focusing on scalability and security.
• Use LaunchDarkly for feature flags; monitor errors with Sentry; analyze data in Metabase.
• Review code produced with AI assistance for quality and security.
• Collaborate with stakeholders and clients in English; participate in calls and demos.
• Contribute to CI/CD pipelines and Docker-based workflows.

Skills

Ruby on Rails

PostgreSQL

CI/CD

Docker

Git workflows

Automated testing

English (client-facing)

Polish (internal)

AI-assisted code review

Design patterns

Tools

LaunchDarkly

Sentry

Metabase

Sidekiq

RSpec

Minitest

Job description

We are looking for a Mid / Senior Ruby on Rails Developer to join a healthtech team delivering solutions for the US market that speed up patient access to prescribed medicines. The person in this role will work on a mature Ruby on Rails monolith, help maintain high quality and security standards for sensitive medical data, and contribute to features that directly shorten the time from prescription to home delivery.

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.
• 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.

Qualifications

• 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.
• 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.

Nice to Have

• 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.
• 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.