Full Stack Developer (Ruby on Rails)

RubyDeveloper.nl; Amsterdam; Hybrid; EUR 65,000 - 95,000; Full time

Job summary

RubyDeveloper.nl is seeking a passionate Full-Stack Engineer (Ruby on Rails) to join our growing tech team in Amsterdam. You will design, build, and maintain scalable web applications delivering exceptional user experiences.

You will collaborate with product, design, and engineering to implement robust solutions, ensure code quality, and contribute to architecture decisions in a fast-paced, remote/hybrid working environment.

Qualifications

• Proven experience building web apps with Ruby on Rails.
• Solid knowledge of modern JavaScript and frontend frameworks.
• Strong SQL experience with PostgreSQL/MySQL; using ORM like ActiveRecord.

Responsibilities

• Design, build, and maintain Ruby on Rails backend and dynamic frontend features.
• Shape technical architecture for performance and scalability.
• Collaborate with product, UI/UX, and engineers to implement requirements.
• Perform code reviews, write automated tests with RSpec, and promote best practices.
• Identify bottlenecks, debug issues, and improve security and performance.

Skills

Ruby on Rails

JavaScript

Frontend frameworks

PostgreSQL/MySQL

Problem-solving

Communication

Tools

RSpec

Git

Job description

About The Role

Are you a passionate Full-Stack Engineer who loves building scalable, high-quality web applications? We are looking for a

About The Role

Are you a passionate Full-Stack Engineer who loves building scalable, high-quality web applications? We are looking for a Full-Stack Engineer (Ruby on Rails) to join our growing tech team.

In this role, you will play a key part in designing, building, and maintaining robust applications that deliver an exceptional user experience. You’ll work closely with a cross-functional team of developers, designers, and product owners to drive innovation and continuously improve our digital products.

Key Responsibilities

• End-to-End Development: Design, build, and maintain efficient, reusable, and reliable Ruby on Rails backend code and dynamic frontend features.
• Architecture & Scalability: Help shape the technical architecture, ensuring high performance, responsiveness, and scalability of our applications.
• Collaboration: Partner with product managers, UI/UX designers, and other engineers to translate functional requirements into clean, technical solutions.
• Code Quality: Participate in code reviews, write automated tests (RSpec/Minitest), and promote best practices in software engineering.
• Continuous Improvement: Identify bottlenecks, debug bugs, and optimize application performance and security.

What We Are Looking For

• Backend Expertise: Proven experience developing web applications using Ruby on Rails.
• Frontend Skills: Solid knowledge of modern JavaScript (HTML5, CSS3, modern JS frameworks like React, Vue, or Hotwire/Stimulus).
• Database Management: Strong experience working with relational databases (e.g., PostgreSQL, MySQL) and ORM tools (ActiveRecord).
• Testing & Tools: Experience with automated testing frameworks (e.g., RSpec) and Git version control.
• Problem-Solving Mindset: A proactive, self-starter attitude with strong analytical and problem-solving skills.
• Communication: Excellent verbal and written communication skills in English.

Nice-to-Haves

• Experience with cloud infrastructure (AWS / GCP / Heroku) and CI/CD pipelines.
• Knowledge of Containerization (Docker, Kubernetes).
• Experience with Hotwire, Turbo, or StimulusJS in a modern Rails stack.

What We Offer

• Competitive salary and benefits package.
• Flexible working hours and options for remote/hybrid work.
• Opportunities for professional growth and continuous learning.
• A collaborative, open, and dynamic team environment.