Senior Embedded Software Developer – Switch/PHY API-Team

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Job Description:

Are you passionate about embedded software and Ethernet technologies?

Join Microchip Denmark’s API team and help shape the future of Ethernet switch and PHY software interfaces. We’re looking for a skilled embedded developer to design and maintain OS-agnostic C APIs that enable advanced digital features in Ethernet devices used in automotive and industrial applications.

Key Responsibilities

• Design, develop, and maintain OS-agnostic C APIs for Ethernet PHYs and Switches.

• Focus on digital features such as:
    - Auto-negotiation (aneg)
    - Quality of Service (QoS)
    - Time-stamping for IEEE 1588/PTP
    - MACsec security
    - Traffic shaping and policing.

• Ensure APIs are intuitive, extensible, and maintain backward compatibility.

• Contribute to and maintain automated test infrastructure for API validation.

• Write MISRA-compliant C code aligned with ASPICE and automotive safety standards.

Requirements/Qualifications:

• Strong proficiency in C and embedded software development.

• Experience working in regulated environments with safety and quality standards.

• Ability to work independently and collaboratively in cross-functional teams.

• Solid communication skills in English (written and oral).

• Relevant technical education and 5+ years of applicable experience.

Bonus Skills

• Experience with Ethernet switch SoCs and PHYs.

• Familiarity with IEEE 802.1Q and basic Layer 2 forwarding concepts.

• Knowledge of QoS and/or TSN standards.

• Experience with tools and standards such as GIT, MISRA, ASPICE, ISO 26262, and IEC 62443.

• Exposure to standardization bodies or industry consortia.

• Some experience with Linux (user-space or kernel-space), Ruby, and/or CMake.

What We Offer

• A key role in a team developing cutting-edge Ethernet technologies.

• Career growth opportunities in both technical and managerial tracks.

• Collaboration with experts in chip design, networking, and standards.

• International work environment with travel opportunities.

• Informal and pleasant office culture with meals and snacks provided.

• Competitive compensation and benefits including pension, healthcare, and stock options.

Travel Time:

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