Jobs at Q.ANT (Now Hiring) — 15 open

Senior Social Media & Digital Marketing Manager (B2B) (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Mid level$72M raised

Your mission Are you a social media and digital marketing expert (m/f/d) who wants to turn breakthrough photonic computing technology into a brand people talk about? You are interested in working in a deep tech company a…

Skills: Social media management, Digital marketing, B2B marketing, Content strategy, Storytelling

Senior Photonic Integration Engineer

Stuttgart, Baden-Württemberg, Germany · On-site

Mid level$72M raised

Your mission The future of AI computing is light, not electrons. At Q.ANT, we are building photonic processing systems that compute with light—delivering a scalable, energy-efficient alternative to transistor-based archi…

Skills: Photonic Integrated Circuits (PIC), Hybrid Integration, Optoelectronic Integration, Laser & Photodiode Integration, Microfabrication

Senior Integrated Photonics Packaging Engineer (RF)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

Your mission The future of AI computing is light, not electrons. At Q.ANT, we are building photonic processing systems that compute with light - delivering a scalable, energy-efficient alternative to transistor based arc…

Skills: RF Packaging, Optoelectronic Integration, Photonic Integrated Circuits (PIC), Signal Integrity (SI), Power Integrity (PI)

Senior Integrated Photonics Packaging Engineer (Photonics)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

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…

Skills: Optical Packaging, Photonic Integrated Circuits (PIC), Optical Coupling, Optoelectronic Integration, Semiconductor Back-End Integration

Senior Engineer Overall Integration (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

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 architectur…

Skills: Python, SQL, Database Management, Photonic Integrated Circuits, Root-Cause Analysis

Lab Software Automation Engineer (Specialist or Expert)

Stuttgart, Baden-Württemberg, Germany · On-site

Entry level$72M raised

Your mission The future of AI computing is light, not electrons. As Lab Software Automation Engineer, you will bring strong software engineering expertise directly into our lab environment. You will bridge the gap betwee…

Skills: Python, Software Engineering, Lab Automation, Signal Processing, GitHub Flow

Senior Embedded Linux Engineer (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Mid level$72M raised

Your mission The future of AI computing is light, not electrons. At Q.ANT, we are building photonic processing systems that compute with light—delivering a scalable, energy-efficient alternative to transistor-based archi…

Skills: Embedded Linux, Yocto, PetaLinux, Zephyr RTOS, Linux Kernel

Team Lead Co-Packaged Optics (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

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 architectur…

Skills: Co-Packaged Optics, Semiconductor Packaging, OSAT Management, Team Leadership, Design for Manufacturability

Team Lead Co-Packaged Optics (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

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 architectur…

Skills: Co-Packaged Optics, Semiconductor Packaging, OSAT Management, Team Leadership, Design for Manufacturability

Senior LLM Algorithm Developer (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

Your mission The Future of AI Computing is Light, not Electrons. At Q.ANT, we are building photonic processing systems that compute with light-delivering a scalable, energy-efficient alternative to transistor-based archi…

Skills: LLM Architecture, Photonic Computing, PyTorch, JAX, Algorithm Design

Senior LLM Algorithm Developer (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

Your mission The Future of AI Computing is Light, not Electrons. At Q.ANT, we are building photonic processing systems that compute with light-delivering a scalable, energy-efficient alternative to transistor-based archi…

Skills: LLM Architecture, PyTorch, JAX, Hardware-Software Co-Design, Photonic Integrated Circuits

Senior RF / Analog Design Engineer (m/f/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

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 architectur…

Skills: Analog design, Mixed-signal design, GHz-band circuits, SPICE, SpectreRF

Senior PIC Characterization Engineer - TFLN / High-Speed (f/m/d)

Stuttgart, Baden-Württemberg, Germany · On-site

Senior$72M raised

Your mission The future of AI computing builds on light. Q.ANT is building photonic processing systems that compute with light - a scalable, energy-efficient alternative to transistor-based architectures for next-generat…

Skills: TFLN, Photonic Integrated Circuits, High-speed characterization, GHz-regime testing, Python

(Senior) PIC Design Engineer - Architecture & Fiber Coupling (f/m/d)

Stuttgart, Baden-Württemberg, Germany · Hybrid

Mid level$72M raised

Your mission The future of AI computing builds on light. Q.ANT is building photonic processing systems that compute with light - delivering a scalable, energy-efficient alternative to transistor-based architectures for n…

Skills: Photonic Integrated Circuits, Fiber-to-chip coupling, Photonic packaging, Lumerical, Ansys

Senior Developer Relations Manager - Photonic AI (f/m/d)

Stuttgart, Baden-Württemberg, Germany · Hybrid

Mid level$72M raised

Your mission Location: Stuttgart or Munich, Germany Type: Full-time, hybrid (3 days onsite) The future of AI computing builds on light. Q.ANT is building photonic processing systems that compute with light - delivering a…

Skills: Developer Relations, Community Building, Python, NumPy, Scientific Computing

Deep-tech scale-up developing photonic co-processors enabling energy-efficient and accelerated AI and HPC

Industry
Computers and Electronics Manufacturing
Company size
51-200 employees
Founded
2018
Headquarters
Stuttgart, Baden-Württemberg
LinkedIn followers
13,674
Total funding
$72M

Q.ANT is a photonic deep-tech scale-up developing photonic processing solutions that compute natively with light and deliver a scalable alternative to transistor-based systems. Its Light Empowered Native Arithmetics (LENA) architecture delivers analog co-processing power optimised for complex computation and enabling energy-efficient performance for next-generation AI and HPC applications. Q.ANT operates its own Thin-Film Lithium Niobate (TFLN) chip pilot line in collaboration with the Institute for Microelectronics Stuttgart, IMS CHIPS, and is currently shipping its Native Processing Servers to selected partners. Q.ANT was founded by Michael Förtsch in 2018 and is headquartered in Stuttgart, Germany.

Offices: Handwerkstrasse 29, Stuttgart, Baden-Württemberg 70565, DE

PhotonicsPhotonic ComputingAI AccelerationEnergy-Efficient AI and HPCAnalog Photonic Comutingand Next Level of Compute for AI and HPCSemiconductorConsultingSensorBusiness Intelligence
View all jobs at Q.ANT