Backend SW Developer (m/f/div)

Company Description

At KEENFINITY, we are a globally leading provider of innovative and professional security and communication solutions. With over 4,200 employees in over 50 countries worldwide, our ambition is clear: we offer more than just technology – we secure, connect, and amplify the moments that matter in life.

Next to our passion for technology we’re very passionate about our work environment. Based on values such as trust, appreciation, and accountability we all work together to shape the future – boldly, customer-focused and with a strong team spirit.

Job Description

We are looking for a skilled Backend Developer to help shape the future of our software solutions. In this role, you'll design, code, and test scalable, secure, and high-performance applications. You’ll play a key part in driving innovation and ensuring our technology remains at the cuttting edge.

Your Contribution To Something Big

• Collaborate with stakeholders to refine technical requirements and deliver scalable, high-quality solutions.
• Design, develop, and test backend services in an Agile environment, ensuring security, maintainability, and performance.
• Document so􀅌ware designs with UML and maintain clean, efficient code aligned with coding standards.
• Partner with cross-functional teams to ensure smooth project delivery and system integration.
  
  

Qualifications

What distinguishes you:

• Proven expertise in .NET Framework and .NET Core using C#.
• Proficiency in asynchronous programming.
• Ability to analyze, debug, and optimize code for performance and scalability.
• Experience with SignalR or similar real-time communication tools.
• Knowledge of UML design and modeling techniques.
• Experience with CI/CD pipelines and Azure DevOps.
  
  

Nice To Have

• Experience with JavaScript/TypeScript.
• Familiarity with Node.js.
• Experience with React or React Native.
  
  

We value clean code, collaboration, and a problem-solving mindset. If you’re passionate about backend development and want to work on impactful projects, we’d love to hear from you!

Additional Information

Our benefits include

⚖️ Flexible work conditions

🔀 Hybrid work system

🌐 Exchange with colleagues around the world

🧑‍⚕️ Health insurance and medical office on site (nutrition, psychology, physiotherapy and general clinic)

📚 Training opportunities (i.e., technical training, foreign languages training) & certifications

📈 Opportunities for career progression and continuous professional development

💲 Access to great discounts in partnerships

🏋️ Sports and health related activities (gym)

🅿️ Free parking lot

🍽️ Canteen

🌍All our positions are open to people with disability

At Keenfinity we don’t just build innovative solutions — we shape a smarter, more connected world through technology.

We value different backgrounds, ideas, and experiences and we’re committed to growing, learning, and celebrating success as one team. Everyone is welcome here — we foster an environment where everyone is respected, valued, and encouraged to be their authentic self.

Keenfinity is an equal opportunity employer, offering equal opportunities for all. We welcome applications from people with disabilities and can offer support, if needed. When everyone has a chance to contribute, we all do better.