A circuit board chip receiving a beam of cyan light, more boards receiving fainter beams behind

Firmware Flashing Platform

Industrial
Industrial

Firmware Flashing Platform

A hardware company needed a specialised system to flash firmware onto hardware modules and manage their lifecycle across distributed locations. RemSoft.Dev built a distributed solution combining a Blazor Hybrid desktop application - the reliable interface to local devices - with background Worker Services and centralised Web APIs, so operations can be controlled, monitored and synchronised remotely. Core business logic in C#, scalable and secure Web APIs, and optimised SQL Server schemas and queries keep accurate track of device states and firmware versions; Microsoft Entra ID provides authentication, authorisation and role-based access for secure remote operations. Led by our CTO as team lead and full-stack engineer, the work followed clean-architecture principles with regular code reviews and a strong emphasis on stability, security and maintainability - safe flashing, real-time feedback, consistent device management everywhere.

HardwareFirmwareBlazor HybridDistributed systems

Key Challenges

Client: Optical hardware manufacturer

Role: Team lead + full-stack engineering

Stack: C#, Blazor Hybrid, Web API, Worker Service, SQL Server, Entra ID

Infrastructure: Distributed - desktop + central services

The project faced several key challenges:

  • Local hardware, remote control: Flashing must happen on the machine physically connected to the device, while control and monitoring must work from anywhere.
  • State that must never drift: Which device runs which firmware is a safety question. Schema design and query optimisation kept tracking exact.
  • Secure by design: Role-based access through Microsoft Entra ID so that remote operations are authorised, auditable and safe.

Results

  • Blazor Hybrid desktop + Worker Services + Web APIs
  • Real-time flashing feedback
  • Entra ID role-based access
  • Accurate device & firmware state tracking

3 tiers

desktop, background workers and central APIs working as one system.

RBAC

secure remote operations via Microsoft Entra ID.

Real-time

feedback during every firmware flash.

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