R&D Laser Engineer (Laser & Spectrometer Development, Prototyping) in Berlin

Your mission

You are at the core of our Laser R&D labs. You take ownership for developing new laser generations, for building prototypes, and for defining their scalable manufacturing routes. You design and perform suitable assembly steps from the bare chip to a fully functional spectrometer. You build our first prototypes and help scale their manufacturing.

• Development, prototyping and manufacturing of EC-QCL setups with advanced optical components.
• Responsibility for wire bonding, die bonding, glueing and soldering processes.
• Definition of SOPs for assembly, optical alignment, packaging and quality control.
• Modification of electronic components on existing driver electronics.
• Close collaboration with physicists, technicians, engineers, scientists, and developers.
• You report to the CTO and are embedded in a team with support by technical assistants.

Your profile

• Technical or Master degree in Engineering, Physics, Electrical Engineering or similar
• At least three to five years professional experience in a similar position in a company / startup.
• Expert knowledge and hands‑on experience in semiconductor laser packaging, bonding, and alignment.
• Expert knowledge of important laser parameters and their characterization techniques.
• Good knowledge of semiconductor physics, optics and the electronic fundamentals of laser drivers.
• You are a hands‑on, pragmatic and solution-oriented engineer with intrinsic motivation.
• You take ownership, communicate clearly and are willing to walk the extra mile.
• A thorough and independent work ethic, reliability, and team spirit.
• Ability to work on‑site in Adlershof (no remote work) with an existing work permit for Germany.
• Proficiency in German and English.

Why us?

• Contribute to cutting‑edge tech development for a truly meaningful product.
• Learn from an excellent team of experienced scientists, engineers, and software developers.
• Enjoy a start‑up atmosphere with room for ideas, an open corporate culture and a diverse, international team.
• Strong coffee, refreshing drinks, healthy snacks, and sweet treats.
• A competitive salary based on your experience.

About Us

Cutting‑edge Deep Tech made in Berlin – that’s what we do at Quantune. We have developed the world’s smallest mid‑infrared spectrometer. Without compromising sensitivity. Included in a wearable, it will revolutionize pro‑active healthcare: Biomarkers, such as glucose, blood alcohol or lactate can be measured continuously with a purely optical approach. Combined with models, personalized health trajectories tell you the near, mid, and long term impact of your lifestyle on health and well‑being. No pain, no friction, true insights. Quantune’s excellent team builds a new foundation for human health.

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