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  • Q.ANT GmbH

    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.

    Jobs at Q.ANT GmbH

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