Python Developer

ALTEN

Python Developer at ALTEN developing a communication simulator, focusing on architecture, implementation, and testing. Engaging with tools and protocol layers with agile, clean code practices.

Posted 6/27/2026full-timeRemote • 🇩🇪 GermanyMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

PythonTCP/IP

About the role

Key responsibilities & impact

Responsible for the end-to-end development of a communications simulator in Python, including architecture design, implementation, and automated tests
Develop and extend an existing simulator across ISO/OSI layers 2–7 with a focus on application-level protocols (e.g., TCP, UDP, HTTP)
Design and implement an interactive GUI dashboard (e.g., with Dash/Plotly or PyQt/PySide) for real-time visualization and analysis of communication flows
Implement advanced data visualizations and analysis features for protocol traces, performance, and error patterns
Produce structured, developer-focused documentation of the software architecture (including UML and API documentation)
Work independently in an agile environment with a strong focus on Clean Code, testability, and maintainability

Requirements

What you’ll need

Degree in Computer Science or a comparable qualification
Proven, substantial experience in Python software development, ideally in tools, simulation, or backend systems
Deep knowledge of network protocols across OSI layers 2–7, in particular TCP/IP, UDP and socket-based communication
Demonstrable experience in developing GUI applications (e.g., Dash/Plotly, PyQt, PySide) including data visualization
Experience in building simulations, analysis tools, or developer tooling
Proficient with Git and modern CI/CD pipelines, and experienced with automated testing
Excellent written and spoken English

Benefits

Comp & perks

Talent management – we help grow your career
Work–life balance – flexible working hours and the option to work remotely
Fit and relaxed – access to EGYM Wellpass
Enjoy biking – company bike leasing
Green mobility – discounted mobility options
Permanent employment contract
Corporate benefits
Team events

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Pythonnetwork protocolsTCPUDPsocket-based communicationGUI developmentdata visualizationautomated testingClean Codeagile development

Soft Skills

independencecommunicationdocumentation

Certifications

Degree in Computer Science