We are currently looking for a passionate, ambitious and self-motivated Senior Backend Developer (Ruby) located in Spain to join our client´s development team. We are looking for strong technical people who are able to challenge the CTO´s opinion and develop innovative solutions together. The client is a startup offering an exciting project that will enable the whole company to innovate.
For our Clients we create innovation results - proven, structured, and repeatable.
If you have a self-starter mentality and want to work with enterprise customers on a tactical and strategic level, read on.
Tasks
As a Senior Ruby Developer, your role will include:

- Developing clean and efficient Ruby code for high-impact projects.

- Design and implementation of scalable, event-driven architectures. The company is currently on the path from monolithic to microservices.

- Identifying and resolving complex technical challenges with innovative solutions.

- Collaborating with AI tools and exploring modern technologies.

- Maintaining and improving proprietary frameworks for better performance and productivity.

- Driving CI/CD practices to ensure seamless development and deployment workflows.

- Working closely with the CTO and with an interdisciplinary team to deliver exceptional results.


Requirements
✅ Essential:

You should apply if you...

- Are passionate about AI, modern tools, and writing clean, efficient code.

- Proactively embrace new technologies and thrive on solving complex problems.

- Excel in collaboration, delivering results, and mastering development tools.

- Have 5+ years of Ruby experience (10 years preferred).

- Are fluent in English.


And experienced with:

- Building modern Ruby backends with event sourcing.

- Working with proprietary frameworks.

- Utilizing GCP cloud infrastructure.

- Implementing advanced CI/CD practices.

- Prioritizing developer productivity and efficiency.


💎 Bonus Points:

We’d be especially excited if you...

- Have experience with event-driven architecture.

- Actively contribute to open-source projects.

- Are passionate about AI/ML and its real-world applications.

- Have experience optimizing processes for efficiency and impact.


You should NOT apply if you...
⚠️ Are looking for a typical 9-to-5 job;
⚠️ Are expecting to only manage and coordinate. We are looking for hungry people who want to solve technical challenges and code on an everyday basis.
Benefits
🔥 We believe in ownership from day one and empower each and everyone in our team to take on responsibility.
🔥 A full-time position remotely in Spain with potential visits to our headquarter in Switzerland.
🔥 Flexible working hours and hybrid work set-up.
🔥 A yearly team offsite to celebrate our the unique startup spirit.
🔥 An adventurous startup journey and a business to scale.
🔥 An excellent opportunity to learn new skills, meet interesting people daily and dive into new topics.
🔥 20 days of paid vacation per year.
Interested? Apply today!

- Apply with your CV and Cover Letter

- First Interview

- Second Interview

- Assessment Center (Show us your skills by solving our innovation & customer success challenge)

- Reference Call

- Finally, be part of our success story :)