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

At ablefy, we believe that passion can turn into a career for anyone! With our cloud-based SaaS platform solution, ablefy.io, we offer an easy and efficient way for everyone to create and sell digital products and online courses. More than 70,000 entrepreneurs have already placed their trust in our expertise!

Our story began in 2015, and for the first five years, we grew organically, becoming a profitable company with a team of around 60 employees. Then, in September 2021, we raised $38 million in series A funding led by Target Global, with participation from Partech Ventures and Avid Ventures. Since then, we've doubled in size!

Since then, our company size, products, features, and services have doubled and we have become Germany's No. 1 platform for coaches, consultants, speakers, and service providers. We continue to grow to this day – that's why we're looking for you.

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

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.

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.

• →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.