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

Quantune Technologies GmbH; Berlin; On-site; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Competitive salary based on experience

Startup atmosphere with room for ideas

International, diverse team

Good coffee and snacks

Job summary

Quantune Technologies GmbH in Berlin invites engineers to join its Laser R&D team to develop new laser generations and scale manufacturing. You will build prototypes and define scalable assembly routes from bare chip to functional spectrometer, collaborating across physics, engineering and software under the CTO.

You will lead prototyping, packaging and SOP creation, with hands-on experience in laser packaging and precision alignment.

Qualifications

• Master or technical degree in Engineering, Physics, Electrical Engineering or similar.
• 3–5 years professional experience in a similar position in a company/startup.
• Expert knowledge in semiconductor laser packaging, bonding and alignment.
• Good knowledge of laser parameters and their characterization techniques.
• Hands-on, pragmatic and solution-oriented engineering mindset.
• Ownership mindset, clear communication and reliability.
• On-site work in Germany (Adlershof) with German and English proficiency.

Responsibilities

• 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.

Education

Master's degree in Engineering, Physics, Electrical Engineering or similar

Tools

Semiconductor laser packaging

Wire bonding

Die bonding

Glueing

Soldering

Job description

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.