Software Engineer (m/f/d) ¿ Lifestyle Check & Wellabe Lab Systems

1 Software Engineer (m/f/d) ¿ Lifestyle Check & Wellabe Lab Systems Your mission
Ownership Lifestyle Check - lab systems

* Taking over and owning the on-site Windows service that bridges our medical measurement devices to the platform. It drives around 10 device families via Bluetooth, serial, TCP and file exchange.
* Operation, maintenance and further development of the device drivers, the local REST API, the system-tray status UI, firmware updates and the Windows installer.
* Building and shipping releases: PyInstaller executable, NSIS installer, Windows Defender/firewall handling, auto-update mechanism and the PT10 ESP32 firmware flasher.
* Rolling out releases to the lab sites and troubleshooting problems that occur on-site - including occasional travel to our locations.
* Securing and documenting the systems so they can be maintained by more than one person in the long run.

Lab operator frontend and backend

* Owning the lab operator web app, an Angular / Ionic / Electron application that runs on the lab PC and guides the operator through login, packages, stations, appointments and the checkup flow.
* Maintaining and improving the Capacitor/Electron build and the GitHub Actions release pipeline.
* Owning the device configuration backend, a Django REST backend that stores lab and device configuration, authenticates lab operators, generates signed Google Cloud Storage URLs and receives logs from the field.
* Keeping the REST APIs, PostgreSQL models, authentication bridge and upload pipeline secure and reliable.

Product-wide improvements and integrations

* Driving refactoring, dependency updates and reliability improvements across the Lifestyle Check stack.
* Integrating with the wider Wellabe platform: the Laravel/PHP admin platform for device master data, the Flask backend that handles body-age calculations and reporting, and the Ionic/Capacitor mobile app for user-facing results.
* Improving observability: centralised logging, clearer error signals and faster remote diagnosis so that "it didn't work in Munich on Tuesday" becomes solvable from your desk.
* Maintaining and improving CI/CD pipelines, build tooling and release workflows.

Data quality & collaboration

* Quality and robustness ownership - you design and maintain solutions that are reliable, fit our business needs and are reasonably easy to operate and maintain.
* Careful handling of health data - data protection and security are not a formality here.
* Collaboration with our development team.

Your profile
Must-haves

* Strong Python skills - you can find your way into unfamiliar, grown code and own both Flask and Django backends.
* Experience with hardware integration - serial interfaces, Bluetooth, TCP; you can read a device protocol and understand what is happening on the wire.
* Frontend skills - solid Angular/TypeScript experience and a practical understanding of Ionic/Capacitor or Electron build chains.
* Strong SQL and experience with relational databases (we use PostgreSQL and SQLite).
* Remote debugging from incomplete information - you can reconstruct what happened from logs, screenshots and second-hand descriptions, without being able to reproduce the issue locally.
* Willingness to travel to our offices in Munich and Vienna, and enjoyment of working with real devices.
* Fluent German - you need to communicate with local teams and support staff at our lab sites in German-speaking countries.
* Good English - collaboration in an international team.

Nice-to-haves

* Windows engineering - services, packaging, installers, firewall; our application runs unattended on the on-site PCs.
* PyInstaller + NSIS experience, or comparable desktop-deployment tooling.
* PHP / Laravel basics so you can read and coordinate changes in our admin platform.
* Security awareness - patching, handling secrets, dependency management, GDPR in a health context.

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