KUMMUNI

KUMMUNI This company has been verified by this domain - KUMMUNI.com

Germany

Job Title
Backend Developer
Experience
Intermediate
Vacancies
2
Office time
[MON - FRI: 9:00 AM to 5:30 PM]
Location
Berlin, Germany
Job Type
Full Time Hybrid
Deadline
15 December, 2025

Company Description

We are a proptech based in Berlin that operates as a fully digitalized business. We offer tenants the unique opportunity to choose their furniture for free, allowing them to enjoy affordable and customized living spaces. Our goal is to create an environment where tenants feel at home and refer to our apartments as their own.

Skills
  • MySQL
  • PHP
  • PYTHON
  • Node.js
  • BackEnd Developer
  • NoSQL
  • AL model intergration

Description

About the Role:

We are looking for an experienced Backend Developer with expertise in PHP and other backend technologies to join our team. You will be responsible for building and optimizing the backend architecture, integrating AI-driven financial scoring algorithms, and ensuring the efficient flow of data. This is a great opportunity to work in a fast-growing environment and contribute to our innovative financial scoring solutions.

Key Responsibilities:

  • Develop and maintain scalable backend services using PHP and other server-side technologies.
  • Design and implement APIs that integrate with AI-based financial scoring models.
  • Collaborate with data engineers, AI specialists, and frontend developers to ensure seamless functionality.
  • Manage and optimize data flow from various sources, ensuring efficient real-time financial assessments.
  • Ensure high-level security for sensitive financial and user data.
  • Troubleshoot and resolve backend issues, ensuring system stability and performance.

Qualifications:

  • 5+ years of experience in backend development, with a strong focus on PHP.
  • Experience with other server-side languages like Python or Node.js is a plus.
  • Proficiency with databases (SQL, NoSQL) and API development.
  • Strong understanding of microservices architecture and cloud platforms.
  • Familiarity with AI/ML model integration is a plus.
  • Excellent problem-solving and analytical skills.
  • Fluent in English; German proficiency is an advantage.
Benefits

In KUMMUNI, the focus is on achieving great outcomes and making a significant impact. The length of time spent in the office is not the priority. Rather, the emphasis is on producing high-quality work that delivers tangible results.

 

Featured benefits

  • Flexible Working Hours
  • Collaborative Working Space
  • Remote Working Options
  • Transportation ticket
  • Housing
  • Apple Devices
  • Free beverages

 

 

Featured perks and benefits

  • Flexible Time Off
  • Casual Dress
  • Flexible Working Hours
  • Paid Holidays
  • Free Snacks
  • Work From Home

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