Full-Stack Software Developer (all genders)

What we are looking for

Become part of Fairmas as a Full-Stack Software Developer (all genders) and help shape the future of our SaaS platform. From intuitive frontends to robust backend services, you'll build features end-to-end, solve real-world challenges, and contribute to software used by international hotel teams.

Location:
Based in Berlin/ Brandenburg | Full-time or part-time | Monday to Friday | Work-life balance guaranteed:

Have you already built software through internships, working student roles, open-source contributions, freelance work, or personal projects? Do you enjoy solving technical challenges, shipping features, and working across the full stack in a collaborative SaaS environment?

Then Fairmas is the right place for you.

What we have in store for you

• Balance: No weekend work, no shifts, no overtime.
• Appreciation: Fair pay and a safe working environment.
• Flexibility: Work remotely and from our modern Berlin office – 2 days/week in the office required
• Understanding: Many of us come from the hotel industry ourselves.
• Purpose: Help hotels around the world stay economically successful.
• Sustainability: Our offices are eco-friendly and perfectly connected.
• Mobility: We subsidize your Deutschlandticket.
• Growth: Through team events and personal development – we support what makes you unique.

Your background

• Foundation: Practical software development experience beyond university coursework, e.g. via internships, working student, freelance work, open-source contributions, research, or personal projects (completed vocational training or university degree)
• Ownership: Comfortable taking responsibility for your code and the features you build
• AI Mindset: Effective practitioner of AI-assisted development, balancing rapid iteration through AI tools with disciplined engineering decision-making
• Stack: Hands-on experience with React, TypeScript, .NET, and relational databases, or equivalent experience with comparable technologies
• Tooling: Familiar with modern development tools, workflows, and engineering practices
• Execution: Comfortable turning requirements into working, tested, and refined solutions
• Quality: Passion for clean, maintainable, and scalable software
• Collaboration: Team player who enjoys exchanging ideas, giving and receiving feedback, and building solutions together
• Communication: Able to explain technical concepts clearly and work effectively with both technical and non-technical colleagues
• Language: Confident English for day-to-day collaboration in an international tech environment
• Employment Eligibility: Must be legally authorized to work full-time in Germany.

How you make an impact

• AI-Augmented Engineering: Leverage AI-powered development tools & workflows to accelerate delivery while maintaining high standards for code quality, security, testing, maintainability, and system architecture.
• Full-Stack Development: Design, build, and maintain modern web applications across frontend and backend systems.
• Frontend Engineering: Develop user-facing applications using React, TypeScript, and modern component-based architectures.
• Backend Engineering: Build and evolve backend services and APIs using .NET / C# in a distributed system-landscape
• Data Management: Work with relational databases, with a strong preference for PostgreSQL experience.
• Infrastructure & Reliability: Contribute to scalable, resilient, and highly available systems; experience with PostgreSQL clustering technologies (e.g., Patroni) and infrastructure set-ups are advantageous.
• Code Quality & Problem Solving: Analyze, debug, review, and improve both existing and AI-generated code to ensure reliability and performance.
• Ownership & Delivery: Take end-to-end responsibility for delivering and maintaining solutions, proactively identifying issues, asking effective questions, and driving work forward independently.
• Engineering Excellence: Apply clean code principles, automated testing practices, version control (Git), and modern software development workflows.
• Product Development: Collaborate closely with stakeholders to understand user needs and translate them into valuable product capabilities.
• Team Collaboration: Participate actively in logical, architectural and technical discussions, as well as knowledge sharing to support a high-performing engineering culture/ team.
• Continuous Improvement: Contribute to ongoing learning, experimentation, and process improvement within an experienced product-focused engineering organization.

Get in Touch!

Ready to Join Us?
Send us your CV – feel free to include your earliest possible start date. If you have any questions, reach out to us at [email protected] – we’re happy to help.
You don’t meet every single requirement or have gaps in your resume? No problem!
Apply anyway – what matters most to us are your motivation, values, and personality.

About us

Fairmas GmbH and its affiliates is a hotel software company specializing in web-based solutions for financial planning, controlling, and management reporting. Since our founding in 2003 in Berlin, our dedicated team, including hoteliers, IT experts, and professionals from a variety of backgrounds, has been supporting more than 18,000 users across 5,500 hotels worldwide.

We take pride in delivering first-class service built on years of experience. At Fairmas, we foster a company culture defined by transparency, mutual respect, and strong team spirit. For us, work-life balance isn’t just a buzzword — it’s essential to maintaining long-term motivation and creativity. We firmly believe that our employees are the driving force behind Fairmas, and their ideas and contributions actively shape our company’s future.