Senior Ruby on Rails Developer

BELVEDERE; Wrocław; In loco; PLN 210.000 - 320.000; Tempo pieno

Descrizione del lavoro

BELVEDERE in Wroclaw is seeking a Senior Ruby on Rails Developer to design and build healthcare web applications for clients worldwide. You will work across the full development lifecycle and collaborate with cross-functional teams, including direct client communication and AI-driven tooling to refine solutions.

The role emphasizes code quality, security, and compliance, with opportunities to contribute to open-source projects and in-house products while adopting new tools and workflows as the

Competenze

• 5+ years of commercial experience with Ruby and Ruby on Rails.
• Strong expertise in relational databases such as PostgreSQL and experience with caching systems and message brokers.
• Experience with REST API and WebSockets, plus authentication like JWT, cookies or OAuth.
• CI/CD pipelines, deployment tools, Docker and Git.
• Solid understanding of design patterns and SOLID principles.
• Experience with automated tests using RSpec or similar.
• Ability to contribute to architectural decisions with scalability considerations.
• Daily use of AI tools and ability to critically assess AI-generated code.
• Fluent English for client communication; fluent Polish for internal team communication.

Mansioni

• Design and develop web applications using Ruby on Rails and relational databases.
• Collaborate with cross-functional teams to define and deliver new features.
• Write automated tests to ensure reliability and cover edge cases.
• Resolve bugs and optimise performance.
• Review code to high standards, whether written by person or AI.
• Help define internal standards for maintainability and coding style.
• Communicate with clients to clarify requirements and demonstrate work.
• Evaluate new tools and workflows and share improvements.

Conoscenze

Ruby on Rails

PostgreSQL

REST APIs

CI/CD

RSpec

AI review

English

Polish

Strumenti

Docker

Git

Descrizione del lavoro

Senior Ruby on Rails Developer

Location: Wrocław

Contract Type: B2B

• Work on compliant, production-ready software for healthcare companies worldwide
• Join an AI-first team that actively tests and adopts new tools and workflows
• Contribute to both client projects and in-house products, including open-source work
• Communicate directly with clients and shape technical solutions from concept to delivery
• Develop your skills in a sector where quality, security and compliance truly matter

Company Overview

Our client is a Wrocław-based software team specialising in building solutions for healthcare companies across the globe. They support HealthTech startups and scaleups in transforming concepts into compliant, production-ready products. The team also develops their own products in wearables and medical data integration, with a portion of this work available as open source. Operating with an AI-first approach, they integrate AI into everyday development and delivery processes, continuously testing new tools, agents and workflows to improve how they build software.

Position Overview

As a Senior Ruby on Rails Developer, you'll design and build web applications for healthcare clients, working across the full development lifecycle. You'll collaborate with cross-functional teams to deliver new features, contribute to architectural decisions, and communicate directly with clients to clarify requirements and present solutions. This role requires someone who can critically review AI-generated code, maintain high standards through code review, and adapt to evolving tools and workflows as the team discovers better ways to build software.

Responsibilities

• Design and develop web applications using Ruby on Rails, including relational database architecture
• Collaborate with cross-functional teams to define, design and deliver new features
• Write automated tests that ensure reliability and cover edge cases
• Resolve bugs and optimise application performance
• Review code to the same standard, regardless of whether it was written by a person or AI
• Contribute to defining and improving internal standards for maintainability and coding style
• Communicate directly with clients to clarify requirements, discuss technical approaches and demonstrate your work
• Evaluate new tools and workflows, sharing insights with the team when you identify improvements

Requirements

• 5+ years of commercial experience working with Ruby and Ruby on Rails
• Strong expertise in relational databases such as PostgreSQL, with practical experience using non-relational databases, caching systems and message brokers
• Proven experience with client communication methods including REST API and WebSockets, plus authentication approaches such as JWT, cookie-based authentication and OAuth
• Hands-on experience with CI/CD pipelines, deployment tools, Docker and Git
• Solid understanding of design patterns and SOLID principles applied in practice
• Experience writing and maintaining automated tests using RSpec or similar frameworks
• Ability to contribute to architectural decisions based on business, functional and non-functional requirements, with consideration for scalability
• Daily use of AI tools and the ability to critically assess AI-generated code
• Enthusiasm for code review, both providing and receiving constructive feedback
• Fluent English with confidence communicating directly with clients during calls, demos and technical discussions
• Fluent Polish for internal team communication
• Genuine interest in HealthTech and working on projects where quality, security and compliance are essential

Desirable but not essential:

• Experience with a JavaScript framework such as Vue or React
• Familiarity with AWS or a comparable cloud platform
• Knowledge of web servers like Nginx
• HealthTech or pharmacy sector experience, including HIPAA, e-prescribing, insurance or FHIR
• Background working embedded with clients, in consulting, as a Fractional Developer, or in a startup environment where you managed multiple responsibilities

Benefits

• Opportunity to work on projects where your technical decisions directly impact healthcare outcomes
• Exposure to both client work and in-house product development, including open-source contributions
• Regular access to emerging AI tools and workflows, with the freedom to test and propose improvements
• Direct client interaction that allows you to shape technical solutions and see the impact of your work
• Professional growth in a sector that demands high standards for quality, security and compliance

You’ll join a team that values continuous improvement and adapts quickly when better approaches emerge. The work environment encourages testing new ideas, sharing knowledge and taking ownership of technical decisions. You’ll collaborate with professionals who care about code quality and maintainability, working on projects where precision and compliance matter.