Would you like to work at one of the fastest-growing quantum technology companies developing cutting-edge light detection systems — limited only by the laws of physics?

We’re Single Quantum, and we’re on a mission to redefine what’s possible in photon detection. As our company scales up, we’re looking for a detail-oriented and proactive Finance Officer to join our Finance team in Delft for 0,6FTE (3 days a week).

In Short
Single Quantum designs and builds the world's fastest and most sensitive light detection systems, limited only by the laws of physics!

The quantum world may be small, but it’s growing rapidly — and so are we.

With an ever-expanding worldwide customer base of leading research institutes and industrial partners, we’re scaling up fast. To support our continued growth, we are looking for a driven and detail-oriented Finance Officer to strengthen our Finance team — someone who thrives in a fast-paced, high-tech environment and takes pride in turning numbers into meaningful insights that help shape our future.

Note: This role is a part time position (0,6 FTE / 3 days a week).



What You Will Be Doing

You’ll be part of a small, close-knit Finance team that keeps our fast-growing company running smoothly. No two days are the same — some days you’ll dive deep into numbers, others you’ll help colleagues solve practical issues.

Here’s what your role will look like:

• Processing invoices from vendors and service providers
• Managing the finance inbox
• Reconciling bank transactions and prepare payment runs
• Handling employee reimbursements and expense reports
• Supporting month-end and year-end closing activities
• Keeping our accounting systems and records accurate and organised
• Efficiently resolving invoice or payment issues before escalation
• Assist with other administrative or ad hoc tasks to help the team and company operate efficiently

Your profile

• A degree (MBO/HBO) in Finance, Accounting, Business Administration, or a related field
• A strong attention to detail and accuracy
• 2–5 years of experience in a finance or accounting role (experience in an international or scale-up environment is a plus)
• Working knowledge of financial processes
• Excellent command of English, both written and spoken (Dutch is a plus)
• The ability to manage multiple tasks, meet deadlines, and support a small but growing finance team
• A proactive attitude

The following working experiences are a plus;

• Experience with ERP software
• Strong skills in Microsoft Excel
• Knowledge of accounting principles

• Salary in accordance with the CAO Metaal en Techniek (CLA Metal and Technology)*;
• Travel allowance of €0,23 per kilometer travelled, regardless of your mode of transportation;
• A good pension plan provided by PMT (Pensioenfonds Metaal en Techniek)**;
• Up to 38 vacation days;
• An international, high-tech environment with colleagues from the Netherlands, USA, France, Italy, China and the list goes on!
• Room for new initiatives and ideas. We’re always willing to listen, whether you’ve been with us for a week, a month, or a year;
• An employer who truly values personal development and growth who invites you to do the same;
• Social security offered by the CAO Metaal en Techniek (CLA Metal and Technology)*.

*effective of 1st Jan 2026, we will be transitioning to CAO Metalelektro (CLA Metalelektro)
** effective of 1st Jan 2026, this will be replaced with PME (Pensioenfonds Metalelektro), an equally competitive pension plan.

At Single Quantum, we celebrate diversity and are committed to creating an inclusive environment for all employees. We are proud to be an equal opportunity workplace.

Simply hit the "Apply" button above or send your CV and motivation letter to: career@singlequantum.com.

If you have any questions before applying or would like to have a general conversation about Single Quantum, you can contact our recruiter, Jacqerina Jarad on +31 (0) 850 400 902 or send an e-mail to j.jarad@singlequantum.com.

Are you a recruitment agency looking to introduce a candidate for this position? We appreciate your interest, but we handle our hiring internally and will not be able to respond to such offers. Thank you for your understanding.

At Single Quantum, we confront every challenge with innovation, dedication, and passion. Founded in 2012, our team emerged as true pioneers of single photon detection technology: we were among the first to manufacture and commercialize superconducting nanowire single photon detectors. Since then, our multi-channel Single Quantum Eos photon detection system has been chosen by more than 100 academic and industrial labs all over the world to perform complex optical measurements.

We want to share this groundbreaking technology with you. Guided by our mission, vision and core values, Single Quantum will develop the world’s fastest and most sensitive light sensors limited only by the laws of physics. Join us in turning photons into data!

We make the world’s fastest and most sensitive light sensors limited only by the laws of physics.