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:

0% - 25%

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