44 backend developer English-speaking jobs in Cologne
DevOps Engineer (m/w/d)
- fairadify
- 50674, Köln
- July 30
- remote work
Location: Remote or Hybrid.
Start: Immediately
Duration: unlimited contract, full-time (part-time is possible)
Team Size: 10+
Interview Process: 3 stages
Join Our Team at fairadify!
Are you passionate about creating innovative AdTech solutions that drive real impact? At fairadify, we’re a team of experts dedicated to crafting custom platforms for businesses across the EU. We’re looking for talented individuals to join us on our mission to revolutionize digital advertising!Senior Backend Developer
- TechBiz Global GmbH
- Rodenkirchen
- October 6
We are currently seeking a Backend Developer to join one of our clients' teams. ... Strong experience with backend frameworks like Django, Flask, or Express.js. ... Proficiency in one or more backend programming languages such as Python, Go, or Node.js. ... degree in Computer Science, Engineering, or a related field. 3+ years of professional experience in backend
Python Software Developer - Forecasting (f/m/d)
- Next Kraftwerke GmbH
- Köln
- October 7
Python Software Developer - Forecasting (f/m/d) In the Software and Data Services Unit at Next Kraftwerke ... professional challenges This is what our colleagues say "Joining Next Kraftwerke as a Software Developer ... empowers personal growth and makes a meaningful impact on the energy transition." Niklas, Software DeveloperBackend Go Developer (Middle - Senior)
- Atmos
- Cologne
- October 9
Sr Software Developer
- Aspen Technology
- Cologne
- August 22
Fullstack C# Developer - .NET Core/Blazor (m/f/d)
- Optimus Search
- Cologne
- October 9
Are you a passionate Fullstack .NET Developer looking to work on cutting-edge projects that make an impact ... Your tasks as a Fullstack .NET Developer: Develop and maintain web applications using C# and .NET Core ... cutting edge ERP systems for their clients in a variety of markets is now searching for Fullstack .NET Developer
Senior Backend Engineer (PHP) (m/f/d)
- meinestadt.de GmbH
- Cologne
- October 2
Senior Full-Stack Angular Developer
- JoinMyTrip
- Cologne
- August 6
Senior Fullstack Developer (m/f/d) Patient Portal
- Dedalus
- Lindenthal
- September 12
We are looking for you, located in Trier or 100% remote in Germany as a Senior Fullstack Developer (m ... products Deliver re-usable application components that help the organization to monitor and control our backend
Senior Fullstack Developer (m/w/d)
- Dedalus
- Innenstadt
- August 24
We are looking for you, located in Trier or 100% remote in Germany as a Senior Senior Fullstack Developer ... products Deliver re-usable application components that help the organization to monitor and control our backend
Senior Android Engineer - Mobile Platform
- Sumup
- Cologne
- September 17
Software (AI) Developer (f/m/d)
- Virtual Minds GmbH
- Cologne
- October 13
Software Engineering Intern (Unpaid)
- Maxmove
- Cologne
- August 26
Frontend Developer
- Atmos
- Cologne
- October 9
Staff Engineer (F/M/*)
- amber
- Cologne
- August 1
Microsoft Power BI Data Analyst/Developer DACH Region
- M365Connect
- Cologne
- September 17
Microsoft Power BI Data Analyst/Developer DACH Region Location: Remote About M365Connect: Partner
Solution Architect – AI/ML
- undisclosed
- Köln, , Germany
- October 17
Backend Development: Strong in Java, J2EE, Spring Boot, REST APIs, Microservices. ... Architect and develop robust backend services using J2EE/Spring Boot, integrated with Elasticsearch for
Solution Architect – AI/ML
- Zealogics.com
- Cologne
- October 15
Backend Engineer Electrical Engineering (all genders)
- envelio
- Cologne
- August 5
Software Developer I
- Aspen Technology
- Cologne
- September 12


































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