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Senior Firmware Engineer C C , Microsoft Azure IoT - B2B Contract

Firmware Engineer C C , Microsoft Azure IoT - B2B Contract

Senior Firmware Engineer to work with engineering teams and shape the future of connected technology, utilizing expertise in C/C++ and Microsoft Azure IoT, with a focus on merging IoT with cutting-edge AI.

About the role

About Mesh Systems

Mesh Systems are the Connected Product People. As a trusted Microsoft Partner, we help clients build, scale, and unlock value from their digital products. We specialize in creating scalable, cloud-based systems to process massive data volumes for global clients.

We are currently on an ambitious path to merge IoT with cutting-edge Artificial Intelligence, opening doors to future-proof projects. We're looking for an experienced Software Engineer to work with our engineering teams and help us shape the future of connected technology.

Compensation and Contract Model

Model: B2B Contract (100% Remote)

Availability: Collaboration within the Central European Timezone (CET).

Hourly Rate (USD): $40 - $50 USD / hour

Support: We provide support with formalities for Polish contractors working with a U.S. company.

Requirements

What You Will Do

As a Senior Firmware Engineer, you will help in designing, developing, assembling, testing, troubleshooting, and delivering next-generation firmware systems for IoT:

  • Guide the Software Development Life Cycle (SDLC): Design, develop, test, document, deploy, and maintain embedded software systems.
  • Implement Solutions: Write high-quality C/C++ code for machinery connected to and running on Microsoft Azure.
  • Integrate Systems: Collaborate with interdisciplinary teams, including hardware design, development, and validation, and software engineers to integrate into complete systems and optimize system-level performance.
  • Documentation: Write about firmware design, development processes, and usage instructions.
  • Collaborate & Influence: Work in a small, autonomous engineering team, directly influencing the technical direction of our solutions.

What You'll Bring

We are seeking an engineer with senior proficiency and experience in the following:

  • Fluency in C/C++: Deep knowledge of the language, framework, optimization, and modern design patterns.
  • Firmware Design and Development: Focus on microcontrollers, RTOS, C/C++, and/or other embedded platforms.
  • Development and Troubleshooting Embedded Targets Expertise: Including familiarity with hardware design, schematics, and PCB layout.
  • Various Protocols, Interfaces, Hardware, and Wireless Subsystems such as:
  • Serial
  • Bluetooth
  • Wi-Fi
  • Cellular
  • IP
  • Version Control and Agile Planning Tools
  • Peer Review such as :
  • Visual Studio
  • Azure DevOps
  • Git
  • English Proficiency: Strong communication skills for seamless collaboration with U.S. partners and clients.

Bonus Points

  • Familiarity with embedded IoT technologies such as:
  • Azure Sphere
  • Azure RTOS
  • Azure IoT Edge
  • Edge X

Skills

ccmicrosoft azure iotartificial intelligence
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CompanyMesh Systems
DepartmentEngineering
LocationPoland
Experience5+ years
Tenurefull-time
LevelSenior

Posted June 6, 2026

Senior Firmware Engineer C C , Microsoft Azure IoT - B2B Contract | OpenTalent