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June 20, 2026

Senior .Net Developer (Mobile)

Senior • On-site

7,000 - 7,500 USD/mo

Warsaw, MZ, Poland

Full-time in-house role in Warsaw
Salary up to $7,000/month
Relocation / Visa Assistance (If need)

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. This hands-on leadership role will drive the development of a secure customer mobile app integrated with operational systems, access control, payments, reporting, and a .NET-based backend platform.

Key Responsibilities

  • 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

Requirements

  • Mobile Experience (Important)
  • 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

What We Offer

  • Full-time in-house role in Warsaw
  • Salary up to $7,000/month
  • Relocation Assistant
  • Modern office environment
  • Direct access to senior leadership
  • Long-term strategic technology project
  • Real ownership of product and platform direction
  • Opportunity to build and lead a team
  • Performance-based bonuses
  • Possible visa/work permit sponsorship for Ukrainian or other EU candidates

Role Summary

You will lead the development of the company's core mobile platform, integrating customer-facing applications with backend systems, access control, and operational infrastructure while helping shape the future technology strategy of a growing logistics business.