(Senior) Product Engineer – Ruby/Rails (F/M/X)

At ablefy, we believe passion can turn into a career for anyone. With ablefy.io, we give coaches, consultants, creators, and entrepreneurs everything they need to build and sell digital products online — simply and efficiently. 70,000+ entrepreneurs already trust us to power their business.

Born in 2015, ablefy has grown into a true all-in-one solution — courses, memberships, payments, e-ticketing, and more. We take care of the hard stuff, so our users can focus on what truly matters: growing their business.

Today we're the #1 platform for coaches and creators in the DACH region — and we're not slowing down. That's where you come in.

Our mission; to build software that empowers everyone to start, run and grow a successful digital business - borderless, is supported by our high performance principles that are crucial to our success:

• Radical Collaboration
• Constructive confrontation
• Adaptive execution
• Collective ambition
• Evolving expertise
• Empathetic leadership

• →Own features end-to-end: from understanding the problem to shipping the solution and making sure it actually works for users.
• →Design, build, and maintain high-quality Ruby code using best practices.
• →Build back-end components for web applications and integrate AI-powered capabilities where they create real value.
• →Collaborate with designers, product managers, and other engineers to figure out what to build and why.
• →Work on technical feasibility assessments, architecture decisions, and process improvements.
• →Test for performance, responsiveness, and security.
• →Stay curious about new technologies and push for their adoption when it makes sense.

• 4+ years of commercial experience with Ruby on Rails.
• Solid understanding of object-oriented programming and scalable application design.
• Deep experience with Git.
• An eye for clean code and a habit of writing it.
• Strong problem-solving skills and comfort with ambiguity.
• Understanding of agile software development.
• Fluent in English.

• Experience with test-driven development.
• Familiarity with CI/CD (CircleCI, GitHub Actions).
• Hands-on experience with PostgreSQL and NoSQL databases.
• Experience building high-load systems.
• Background in FinTech or e-commerce.
• Familiarity with prompt engineering, AI workflow tools, LLMs, vector databases, or building AI agents.

At ablefy, we embrace our differences, as they are our greatest strength. We recognize that everyone has a unique perspective based on their experiences, identities, and thought processes, and we strive to create an inclusive environment for all. Discrimination based on race, religion, color, national origin, gender identity or expression, sexual orientation, age, marital status, disability status, or any other aspect that makes you unique is not tolerated at ablefy. We aim to make growth accessible to everyone!

We know that no candidate checks every single box, and that’s okay! If you’re excited about this role and think you can bring something valuable to our team, we encourage you to apply—even if you don’t meet every requirement. We’d love to hear from you!

As an AI-first company, we put intelligent technology at the heart of everything we do. AI is part of how we build, learn, and grow together. It helps us work smarter, move faster, and focus on creating real impact. We believe the strongest results come from combining thoughtful technology with curious, driven people — and we’re excited to shape what’s next, together.