Job
In this position, you will develop new features for Ruby on Rails applications, maintain existing code sections, and optimize PostgreSQL databases. Additionally, you will create internal tools and assist in migrating Python scripts.
This listing has been machine translated. Show original
Job technologies
Your role in the team
- You design and develop new features for our Ruby on Rails applications and actively contribute to the further development of our products.
- For our backend, you will develop robust backend logic as well as develop and maintain modern REST APIs.
- You write efficient SQL queries and optimize our PostgreSQL databases for stability, speed, and scalability.
- You design and maintain internal admin tools with Hotwire, Turbo, and Stimulus, thereby supporting efficient internal processes.
- Existing code sections are maintained, improved, and modernized through targeted refactoring.
- Some parts of our infrastructure still include Python scripts. You will assist with their maintenance and support the gradual migration to our Ruby-based system landscape.
Our expectations of you
Qualifications
- You live the Rails Way. You don't just write code that works — you write code that feels right. Convention over Configuration, Domain-driven Models, the principle of least surprise — these are not buzzwords for you, but the way you think. You're eager to write great code and leave existing code better than you found it.
- Solid knowledge of SQL, especially PostgreSQL, enables you to write complex queries and optimize database performance.
- You are familiar with modern Rails frontend technologies (Hotwire, Turbo, Stimulus).
- Python skills are not a must, but an advantage.
- Your fluent German skills enable you to communicate confidently with your colleagues.
Experience
- You have at least two years of experience in Ruby on Rails development.
What we offer
- Numerous additional benefits: company pension scheme with a minimum of €60 employer contribution, Edenred card with €47 monthly, at least €1,500 training budget per year, annual salary development.
- Healthy work-life balance: flexible working hours & home office (hybrid), part-time possible, 28 days of vacation.
- A small but great team: 40 employees, team events, and regulars' tables.
- Intensive onboarding: Customized onboarding with team introductions and job shadowing.
- Active participation: Taking responsibility from the start and implementing your own ideas.
Benefits
Work-Life-Integration
Health, fitness & fun
Topics you will work on
Job locations
About your employer
aifinyo AG, a publicly traded FinTech company based in Berlin, provides web-based solutions for financial management, invoicing, and liquidity. With around 8,000 clients from various industries, the company pursues a strategy to accumulate Bitcoin holdings.
- Established Company
- Onsite, Hybrid
- Banking, Finance, Insurance
More jobs
These jobs might also interest you
As a Senior Software Engineer (m/f/d), you will take on a central technical role in challenging client projects and develop sustainable, scalable software solutions in complex enterprise environments. In your role, you will primarily be responsible for:...
You actively shape the technical development of our software products and influence their long-term architecture. You develop our core applications primarily using C# as the central programming language and technological foundation. You design, develop,...
You’ll be joining at a stage where we’re building and evolving our new CRM platform. That’s exactly what makes this role special: you won’t just develop features—you’ll actively help shape the technical foundation of a modern CRM ecosystem. Together...
