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

About the Position

We are seeking a Senior Product Engineer – Ruby/Rails (F/M/X) to join our team at ablefy in Berlin or remotely within the European Union. Our engineering team builds scalable, user-centric software for digital entrepreneurs in the DACH region and beyond. We ship fast, iterate constantly, and care deeply about the people using what we build.

Responsibilities

• Own features end-to-end: from understanding the problem to shipping the solution and ensuring it 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 determine 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 advocate for their adoption when it makes sense.

Requirements

• 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.

Nice to Have

• 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.

We Offer

• Paid time off – 30 vacation days.
• A competitive salary.
• A personal training and development budget of €1,500 per year.
• Responsibility and trust from day one.
• Individual coaching and further training to support your development.
• A free BVG ticket.
• Employee discounts at numerous companies (e.g., at the gym or in online stores).
• Pension program with company match up to 30% of employee contributions.
• A culture of equity and inclusion where you are appreciated for the person you are.

About the Company

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

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

Diversity & Inclusion

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!

AI at ablefy

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.