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About the Role

You will further develop our desktop application for macOS and Windows, which medical professionals use for their entire workday. You will work with Flutter Desktop, complex user interfaces, hardware integration, printing processes, and real-world workflows. You will actively shape the architecture, state management, module boundaries, and our package and monorepo setup. You will integrate card readers, eGK, TI connectors, measuring devices, and scanners via native interfaces, platform channels, and FFI. You will build solutions for form printing, KBV forms, PDF generation, and labels, ensuring practice software functions reliably in daily use. You will ensure stable offline capability, local data storage, multi-user operation, and reliable server synchronization. You will keep the requirements of a certified medical product for traceability, quality assurance, and documentation in mind. You will review code, share your knowledge through mentoring, and influence the long-term use of Flutter at zollsoft. CLI-based AI programming, for example with Claude Code or Codex, is part of our daily work. You will help shape how we use AI coding meaningfully and with quality assurance. Prospectively, you can take on technical responsibility for a product or project, move into product management, or continue to grow as a Senior Individual Contributor.

Responsibilities

Develop our desktop application for macOS and Windows.
Work with Flutter Desktop, complex user interfaces, hardware integration, printing processes, and real-world workflows.
Shape architecture, state management, module boundaries, and package/monorepo setup.
Integrate card readers, eGK, TI connectors, measuring devices, and scanners via native interfaces, platform channels, and FFI.
Build solutions for form printing, KBV forms, PDF generation, and labels.
Ensure stable offline capability, local data storage, multi-user operation, and reliable server synchronization.
Maintain requirements for a certified medical product regarding traceability, quality assurance, and documentation.
Review code, mentor others, and influence the long-term use of Flutter.
Shape the use of CLI-based AI programming tools like Claude Code or Codex.
Potentially take on technical responsibility for a product or project, move into product management, or grow as a Senior Individual Contributor.

Requirements

Have successfully launched and supported at least one Flutter application through multiple releases.
Understand Flutter beyond launch, including maintainability, user feedback, quality, and further development.
Have practical experience with state management approaches like Riverpod, Bloc, or Provider and can assess their pros and cons.
Have experience with the boundary between Flutter and the operating system (e.g., custom plugins, platform channels, FFI, platform-specific builds).
Have a clear stance on test strategy, code quality, and architecture without being dogmatic.
Think in data models and system interdependencies, not just widgets, with solid knowledge of algorithms and data structures.
Possess fluent German language skills (at least C1 level) for intensive team communication.

Skills

Flutter Desktop
State Management (Riverpod, Bloc, Provider)
Platform Channels
FFI
PostgreSQL/MySQL
Unix Shells
Scripting
AI Programming (Claude Code, Codex)

Location

100% Home Office within Germany

Work Type

Home Office
Full-time (minimum 30 hours per week)

Experience Level

Senior

Benefits

Flexible working hours
Home Office/Mobile Working
Job Crafting/Individual Work Design
Professional Development
Team Events
Promotion of Physical and Mental Health
Company Pension Plan
Company Health Insurance
Company Bike Leasing/Jobrad
Hardware Leasing
Employee Discounts
Childcare Cost Subsidy/Kita Subsidy
Recreation Allowance
Meal Allowance
Commuting Allowance
Work Abroad

About the Company

We are an innovative, creative, and established family company located near Jena.
We develop tomedo®, our rapidly growing Apple-based software for medical practices, which has achieved the highest customer satisfaction in independent surveys.
We foster a flat hierarchy and communicative collaboration that allows creativity and ideas to flourish.
We offer Home Office and flexible working hours to enable personalized daily routines.
We provide opportunities for professional development and active contribution to the growth of zollsoft GmbH.
We are an open and ambitious team of over 600 employees who live customer focus and enjoy their work.
We maintain a startup atmosphere after more than 10 years, offering perks like a tax-free shopping card, company bike leasing, and health courses (online and in-office).
We offer flexible working hours and home office in at least 75% of company areas.
We function as a close-knit team with a cooperative rather than competitive atmosphere.
We organize social events such as summer beach volleyball, BBQs, cooking nights, and paddling tours.