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Keenfinity Group

Junior Full-Stack Developer (f/m/div.)

Keenfinity Group
Germany · Full-time · Mid-Senior

Company Description

At Keenfinity, we are a globally leading provider of innovative and professional security and communication solutions. With over 4,000 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.

Radionix is a company within Keenfinity. The company serves as the global competence center for cloud and server software for Access Control and Intrusion at Keenfinity. At the Aachen location, product development focuses on cloud applications and infrastructure as well as hybrid or on prem server applications including state of the art interfaces for third party integrations.

Job Description

As a Full-Stack Developer you create and maintain scalable high performance software

solutions in the area of physical building security. You work in a cross functional

international set up using state of the art technologies. In your Daily Business tasks you will be responsible for:

  • Building backend APIs and microservices
  • Developing frond-end UIs
  • Integrating Azure services such as App Services, Cosmos DB, IoT Hub
  • Leading collaboration across engineering and cross-functional team as DevOps and UX
  • Growing in working closely with seniors in creating business-level code
  • Bringing in fresh ideas into the whole organization

Qualifications

  • Education: Completed degree in Computer Science, Business Informatics, Business Administration, or a comparable qualification
  • Experience and Knowledge: First Experience in Tech Stacks C#, .NET / ASP.NET Core, REACT, JS / TS; First Experience in IT- / Network-Security; Azure Experience is an advantage; Basic Knowledge of AI technologies is also desirable
  • Personality and Working Practice: Independent and proactive working style, strong goal- and results-orientation, as well as pronounced analytical and problem-solving skills. Strong communication skills and ability to work well in a team to collaborate with various stakeholders.
  • Languages: Excellent written and spoken English skills; additional German skills are an advantage

Additional Information

We offer flexible working models: from various part-time options to mobile working and job sharing. Feel free to contact us.

Diversity and inclusion are not just trends for us but are firmly anchored in our corporate culture. Therefore, we welcome all applications, regardless of gender, age, disability, religion, ethnic origin or sexual identity.

Need support during your application?

Sarah Wurm (Human Resources)

+49 89 23120-1920

Need further information about the job?

Markus Goebbels-Rombach (Functional Department)

+49 241 60858-482

Key Skills

Ranked by relevance

server cloud devops react ai c
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Posted
Nov 26, 2025
Type
Full-time
Level
Mid-Senior
Location
Aachen

Industries

Appliances Electrical Electronics Manufacturing

Categories

Information Technology

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