Senior Mobile Developer (.NET)

A leading logistics and storage company is seeking a Senior Mobile Developer / .NET Technical Lead to own and deliver a major mobile-first technology platform.

• Strong commercial experience developing and shipping mobile applications
• Experience with mobile security, biometrics, push notifications, BLE, and API-driven architectures
• Solid .NET/C# backend understanding
• Experience integrating third-party systems and operational platforms
• Knowledge of CRM, CMS, ERP, payments, reporting, and cloud infrastructure
• Strong ownership, documentation, and security mindset
• English or Polish language spoken

Nice to Have:

• Umbraco or similar CRM/CMS platforms
• Access control or hardware integrations
• Logistics, storage, facilities, or operational technology experience
• Previous technical leadership or architecture ownership

• Lead the design and delivery of the mobile application
• Build secure features including authentication, biometrics, permissions, push notifications, and Bluetooth Low Energy (BLE)
• Integrate mobile, web, CRM/CMS, payment, reporting, and operational systems
• Design APIs and help shape .NET/C# backend architecture
• Define technical standards, documentation, and delivery processes
• Work directly with the CEO and leadership team
• Help build and lead the engineering team as the platform grows

Please be informed that the data controller is Bluegeko, (hereinafter "controller"). You have the right to request access to your personal data, their rectification, erasure or restriction of processing, the right to object to processing, as well as the right to data portability and to lodge a complaint to the supervisory authority. Personal data will be processed for the purpose of the recruitment process. Provision of data to the extent resulting from the Act of 26 June 1974 Labour Code is mandatory. In the remaining scope, providing data is voluntary. Refusal to provide mandatory data may result in the impossibility to carry out the recruitment process. The Administrator processes mandatory data on the basis of a legal obligation incumbent upon him/her, while with regard to additional data, the basis for processing is consent. Personal data will be processed until the recruitment procedure is completed and for the period of the possibility of asserting potential claims, and in the case of consent to participate in future recruitment procedures - until the withdrawal of such consent. Consent to the processing of personal data can be withdrawn at any time. The recipient of the data is the Just Join IT service and other entities to whom we have entrusted the processing of data in connection with recruitment.