Senior Hybrid Integration Engineer (m/f/d)

Senior Hybrid Integration Engineer (m/f/d) q.ant Stuttgart Your mission The future of AI computing is light, not electrons. Q.ANT is building photonic processing systems that compute with light – delivering a scalable, energy-efficient alternative to transistor-based architectures for next-generation AI and HPC applications. Turning breakthrough technology into real products requires more than invention. It requires the precision to connect worlds that rarely meet: photonics, electronics, and advanced packaging working as one. Hybrid integration is where that convergence happens. As our Senior Hybrid Integration Engineer (m/f/d) , your mission is to drive the integration of photodiodes and lasers into photonic integrated circuits (PICs) – from first concept through full validation. You will support fully packaged PICs with integrated components and contribute directly to shaping Q.ANT's technology roadmap. Through hands-on system bring-up, cross-functional collaboration, and close work with external partners, you translate cutting-edge opto-electronic designs into functioning, characterized assemblies that meet performance targets. Your profile Your responsibilities Lead photodiode and laser integration projects on PICs across the full workflow: design, build, characterization, and validation. Perform hands-on PIC testing, optical alignment, and system bring-up, including signal readout and performance evaluation. Collaborate with photonics, electronics, and packaging teams; coordinate suppliers, service providers, and research partners. Ensure configuration control of process flows and maintain clear decision and action logs. Introduce automation strategies for characterization and propose new process trials based on results. Optimize integration yield and throughput; track KPIs including assembly yield, responsivity, TIA SNR, bandwidth, schedule adherence, cost per channel, and risks mitigated Your profile Ph.D. in Electrical Engineering, Photonics, or a closely related field – or a Master's degree with at least 3 years of directly relevant industry or research experience. Deep technical understanding of photodiode and laser physics, TIA and driver design and characterization, and hybrid integration approaches. Proven hands-on experience with PIC testing, optical alignment, and system bring-up in a lab or production environment. Familiarity with photonic integration platforms such as LNOI, InP, or SiPh is a strong plus. Ability to balance complex electrical and optical trade-offs (responsivity, bandwidth, noise) and make well-reasoned design decisions independently. Fluent in English, German is a plus. Why us? We hire for attitude and train for skills. We encourage self responsibility and accelerate professional development. We move fast and encourage experimentation. You have the opportunity to be part of developing breakthrough photonic computing technology and have a lasting impact on the future of computing. You can be part of a passionate international, highly skilled cross functional team. You will have access to the founders of the company. About us Who we are and what we do Q.ANT is a deep-tech scale-up developing photonic processing solutions that compute natively with light and deliver a scalable alternative to transistor-based systems. The analog co-processors are optimised for complex computations and enable energy-efficient performance for next-generation AI and HPC applications. In collaboration with the Institute for Microelectronics Stuttgart IMS CHIPS, Q.ANT operates its own pilot line for photonic chips, based on the material system Thin-Film Lithium Niobate TFLN. Q.ANT was founded by Michael Förtsch in 2018 and is headquartered in Stuttgart, Germany.

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