Python Developer / Software Engineer (m/f/d) – Test Automation, API, Multi-User Interface

Job Title: Python Developer / Software Engineer (m/f/d) – Test Automation, API, Multi-User Interface OverviewWe are looking for an experienced Python Developer / Software Engineer (m/f/d) to design and develop a flexible, multi-user capable Python interface for a next-generation radio frequency measurement system. You will play a key role in modernising a C#-based test environment by developing a Python-driven control and evaluation framework that supports both manual and automated testing.This is a full-time position based in Munich, Germany, with up to 60% remote work flexibility and a competitive salary between €70,000 – €90,000, depending on experience. Position DetailsPosition: P1 – Python Programmer / Software Engineer (m/f/d).Location: Munich, Germany (Hybrid – up to 60% remote).Start Date: December 1, 2025.Duration: Up to 24 months (system conversion target: 12 months).Working Hours: 40 hours per week.Security Briefing: NfD (Classified Information for Official Use Only) required.Salary Range: €70,000 – €100,000 gross annually (depending on experience). Key ResponsibilitiesAnalyze and understand the current Analog/Digital measurement system (C#-based) used for manual and automated RF testing.Design and develop a Python-based interface that can control and evaluate the measuring system while ensuring data consistency with the existing C# system.Migrate existing test cases from C# to Python, ensuring compatibility and reliability.Validate and test the new Python interface for both manual and automated workflows, integrating with frameworks such as G5 and supporting future migration to DETECT.Architect a modular solution that supports on-the-fly Python scripting for extending or overriding standard processes.Develop a concept for multi-user operation, including rights management, script sharing, and collaboration features.Document all technical aspects, including API references, interface specifications, and user guides for a clear, developer-friendly experience.Plan and track development progress using Jira, applying agile and CI/CD practices for efficient delivery. Required QualificationsUniversity degree in Computer Science, Electrical Engineering, or an equivalent technical field.Expert knowledge of Python (3.x or higher), especially in hardware control, test automation, and interface programming (e.g., via serial port or USB).Solid understanding of C# and cross-language communication (e.g., via APIs, data formats, or message brokers).Experience with CI/CD pipelines, Git, and agile software development.Strong grasp of modular software architecture principles; PyQt experience is a plus.Proven ability to create comprehensive technical documentation (including API and developer references).Languages: Fluent/Negotiation-level German (C1) and basic English required.Not suitable for career starters — we are seeking an experienced professional with proven project experience. Preferred SkillsExperience in radio frequency testing, measurement systems, or embedded software integration.Familiarity with hardware communication protocols, instrument control, and signal processing workflows.Hands-on experience in test framework migration and system modernization projects. What We OfferOpportunity to shape the next generation of RF test automation tools.Work in a high-tech engineering environment with modern development tools and agile practices.Hybrid work model – up to 60% remote per week.Competitive annual salary of €70,000 – €90,000 based on experience.Long-term project (24 months) with a clear 12-month system conversion goal.