Principal Software Engineer

Principal Software Engineer - Ruby on Rails

About the job

Principal Software Engineer | Ruby on Rails | Remote | B2B & B2C Platform | TravelTech

Are you an experienced Ruby on Rails engineer looking to take the next step in your career? 🚀

Or a seasoned technical leader ready to shape architecture, mentor others, and influence strategy?

If so, this could be for you.

I’m partnering with a market-leading TravelTech company that’s been around for decades, but has recently evolved into a fast-scaling B2B and B2C platform, selling millions of tickets to travellers across Europe each year 🌍🚆

They’re now expanding their engineering team with hiring:

✨ Staff/Principal Engineer (Ruby on Rails) – driving architectural direction, leading major technical initiatives, and mentoring engineers

This is a fantastic chance to join a remote-first engineering culture where collaboration, technical excellence, and continuous learning are valued. You’ll work closely with product managers, fellow engineers, and business leaders, with the opportunity to make a real impact on a platform used by millions.

What you’ll do (depending on level):

• Design, develop, and deliver high-quality software solutions
• Drive and oversee technical initiatives across teams and systems
• Shape architectural decisions to ensure scalability and performance
• Mentor and influence engineers, helping raise the bar on engineering practices
• Solve complex technical challenges around data aggregation, routing, and optimisation
• Collaborate with product, business, and engineering leaders to align on technical strategy
• Share knowledge, continuously learn, and take part in monthly hack days 💡

What we’re looking for:

✔ Strong hands-on experience with Ruby & Ruby on Rails

✔ Proficiency in Frontend Development using Hotwire/Stimulus

✔ 8+ years Ruby on Rails engineering experience

✔ Proven track record of building scalable, maintainable software

✔ Leadership experience, guiding architecture & mentoring engineers

Must have:

• Hotwire experience
• Ruby on Rails
• PostgreSQL, AWS
• Agile methodologies
• Mobile-first experience

Package:

💸 Flexible salary, depending on experience + great benefits

🌍 Fully remote across Europe, with flextime working

📄 Permanent contracts

If you’re looking for an opportunity where you can grow, lead, and make a real impact on a platform millions rely on every year, this could be the perfect move.