Sr. Ruby on Rails + React developer

Job Opportunity: Senior Backend Engineer (Ruby on Rails)

Job Summary

Were seeking a highly experienced Senior Backend Engineer with deep expertise in Ruby on Rails to help evolve and scale our product. As we prepare for our next phase of growth, youll play a key role in leading our transition toward a modern, event-driven architecture, supporting increasingly complex features and expanding customer demand.

This position is heavily backend-focused (around 80%), with emphasis on system architecture and APIs, but also requires competence in React (around 20%) to collaborate with the frontend team, tackle integration tasks, and occasionally contribute to the UI layer.

We are a rapidly growing high-tech company serving clients across Europe and North America, offering a platform that simplifies scheduling, client management, payments, and marketing all designed to streamline operations and enhance customer experience. Our mission is to empower service-based businesses by delivering tools that are intuitive, powerful, and scalable.

Responsibilities

• Design, build, and maintain efficient, reusable, and reliable Ruby code (primarily with Ruby on Rails).

• Develop, maintain, and secure robust APIs and integrations with external services.

• Optimize applications for performance, scalability, and security.

• Contribute to frontend feature implementation and maintenance using React.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Lead the adoption of new architectural patterns, particularly event-driven systems.

• Write clean, maintainable code and ensure quality through automated testing and reviews.

• Troubleshoot and debug production issues as needed.

Requirements

• Solid experience developing backend applications with Ruby and Ruby on Rails.

• Practical experience developing modern frontend applications using React.

• Familiarity with RESTful API design and experience with PostgreSQL or other relational databases.

• Strong understanding of background job frameworks (e.g., Sidekiq, Resque).

• Experience with Git, CI/CD tools, and Agile development practices.

• Strong problem-solving and communication skills.

• Ability to work both independently and collaboratively in a multidisciplinary team.

What We Offer

• Join a thriving, fast-growing development business working with diverse clients across Europe and North America.

• A flexible and supportive environment we believe in synchronicity but also value adaptability and open communication.

• Compensation in US dollars as a contractor.

• 100% remote position work from anywhere.

• Opportunities for professional growth and to contribute to impactful, high-scale products.

We highly value personal projects that showcase your initiative, creativity, and technical skills theyre a great way for us to see your potential in action!

If youre looking for a stimulating environment, growth opportunities, and a team passionate about technology, join 1950Labs and be part of our success.

To apply, please submit your CV we look forward to getting to know you!