Senior Backend Engineer – Ruby on Rails (Remote in Europe)

This is a remote position.

Note : This position does not offer visa sponsorship. This is a Remote role for applicants already living in Europe (

CET 3 hours

English language requirement C1 or C2 / mother tongue

Join a mission-driven team committed to tackling one of the biggest global challenges reducing CO2 emissions. As a software developer with us, you’ll be at the forefront of creating innovative solutions through our B2B SaaS platform, helping companies navigate their sustainability journey and actively reduce emissions.

We embrace cutting-edge technologies, and your work will have a direct, tangible impact on the fight against climate change.

What You’ll Do :

• Actively contribute to the design, development, and maintenance of our Ruby on Rails backend in close collaboration with a dynamic, cross-functional team.
• Participate in pair programming , code reviews , and technical spikes to foster collaboration and code quality.
• Work closely with our CTO , Product Lead , and Sustainability Lead to transform customer feedback into impactful features that make a real difference.
• Develop scalable, efficient solutions for complex problems while adhering to clean code principles.
• Help maintain a high standard of code quality through automated testing, peer reviews, and consistent use of ESLint , Rubocop , and other code-quality tools.
• Take ownership of the full deployment process, from testing in a separate environment to live deployment on Heroku ensuring seamless and reliable platform performance.
• Drive improvements in automation and platform monitoring to ensure we remain at the cutting edge of both technology and sustainability solutions.

How We Work :

Our team is fully committed to agile development , working in two-week SCRUM sprints to continuously deliver user value.

We prioritize clean code and efficient problem-solving, ensuring that development speed never comes at the cost of quality.

Every feature we roll out is rigorously tested and optimized for performance, and our cloud-first approach ensures that all aspects of our product are well-monitored and automated for stability.

Tech Stack You’ll Work With :

• Backend : Ruby, Ruby on Rails, Rspec, Postgres, Redis, Docker
• Frontend : TypeScript, Vue.js 3, Jest, Cypress, Tailwind
• Hosting & Automation : Heroku, GitHub Actions, various LLMs for automation
• Development Process : Clean code practices, continuous integration, automated testing, and a collaborative peer-review process

What We’re Looking For :

• A developer passionate about building products that make a meaningful impact, with solid experience in software development (particularly with Ruby on Rails or similar frameworks).
• A problem solver who thrives in a fast-paced, agile environment, with the ability to collaborate and communicate effectively in a team.
• Enthusiastic about creating clean, scalable code that solves real-world problems while staying true to sustainable development practices.
• A team player with a hands-on attitude and an eagerness to contribute to a product that makes a difference in reducing global emissions.

Why You’ll Love Working Here :

• Purpose-Driven Work : Play a key role in developing solutions that actively contribute to the reduction of global CO2 emissions.
• Flexibility : Enjoy a collaborative and flexible work environment with opportunities for remote work and a strong emphasis on work-life balance.
• Growth Opportunities : We’re committed to your professional development with clear growth plans and opportunities for continuous learning.
• Fair Compensation : Competitive pay that reflects your skills, experience, and contributions.
• Exciting Challenges : Tackle large datasets, develop innovative new features, and contribute to a platform that’s shaping the future of sustainability.
Vor 4 Tagen