Ruby on Rails Developer

About us

LLInformatics is a forward-thinking IT consulting firm trusted by clients across Europe and North America. We specialize in delivering complex projects on time, with exceptional quality, and always meeting the highest compliance standards. Our remote-first team of 100+ experts is passionate about building cutting-edge digital products that drive real results. With a focus on data-driven decisions, measurable outcomes, and a strategic mindset, we’re raising the bar in our industry—backed by a strong, collaborative work culture that fuels our success.

🔹 Contract Type: B2B

🔹 Location: 100% Remote, hybrid, or in our Warsaw office

Your tasks and responsibilities:

🔹 Implementing new functionalities on our client’s platform

🔹 Solving complex programming challenges while improving your knowledge

🔹 Doing regular code reviews/PR reviews for your colleagues

🔹 Maintaining existing code and bug-fixing

🔹Writing unit, integration, and E2E tests

We need you if you...

✅ Are a backend developer with 4+ years of experience in Ruby on Rails

✅ Are familiar with Active Record and Rspec

✅ Worked on a production application in AWS or Heroku

✅ Worked with RDBMS like PostgreSQL

✅ Have experience with writing tests/TDD or a culture of testing your code

✅ Have experience in building server-side apps, using the MVC pattern

✅ Have a solid understanding of how web applications work

✅ Have an understanding of distributed systems and resilient applications

✅ Have practical knowledge of how to communicate with REST API

✅ Acquire English level skills at a minimum C1 level

✅ Are familiar with agile methodologies (Scrum, Kanban)

Why join us? 

🔹 Flexible Working Hours – We focus on results! Manage your time, keep your team informed about your availability, and attend key meetings.

🔹 Work from Anywhere – Choose your ideal setup! Work 100% remotely within the EU, go hybrid, or enjoy our Warsaw office, fully equipped for productivity.

🔹 Comprehensive Onboarding – From day one, we ensure you feel comfortable and supported, so you can quickly become part of the team.

🔹 Flat Structure – We value initiative and open communication. Every voice matters here!

🔹 Positive Company Culture & Team Spirit – We create an environment where everyone feels appreciated and comfortable.

🔹 Modern Work Methods – We use cutting-edge project management techniques inspired by the IT world.

🔹 Transparent Communication – Regular 360° feedback sessions and mentor support to help you grow.

🔹 Top-Notch Equipment – Get a MacBook for your work. If you choose to work from our Warsaw office, you'll also have access to a 34” (16:9) widescreen monitor and an ergonomic standing desk.

🔹 Weekly English Lessons – Optional classes with a native speaker to help you improve your skills.