CareerPlan

Firmware Development & Product Integration Engineer

Nuremberg, GermanyFull-time2026-10-26 → 2026-11-10

Core

Design, implement, and maintain high-reliability embedded firmware for microcontroller- and ASIC-based controllers in next-generation 100G+ optical transceiver modules.

Role type

Senior IC firmware engineer (optical transceivers)

Builds

Embedded firmware and hardware-software integration for optical modules powering cloud and AI infrastructure

Domain

Optical networking / High-speed data communications

Required skills

Embedded C/C++, Microcontroller programming, ASIC integration, Low-level communication protocols (I2C, SPI, UART, MDIO), Hardware debugging (oscilloscopes, logic analyzers, JTAG), Root-cause analysis

Preferred skills

Real-Time Operating Systems (RTOS), Optical transceiver domain knowledge (100G+, coherent optics, SerDes, DSPs), CMIS/SFF/Ethernet standards, Python for test automation

Technologies

C, C++, I2C, SPI, UART, MDIO, JTAG, RTOS, Python, CMIS, SFF

Responsibilities

Architect and develop embedded firmware for optical module controllers; Implement device diagnostics, control, and host-management interfaces; Integrate firmware with electro-optic components (lasers, photodiodes, DSPs); Lead prototype bring-up and debug cross-domain electrical/firmware issues; Document architectural decisions and present technical findings to stakeholders