Financial Controller (Climate Tech)

Job description

Do you want to contribute to a more sustainable world? Are you excited to help shape the future of battery technology and consequently the future of consumer electronics and mobility? Can you not wait to dive into a VC-backed deep tech scale-up with the ambition to change the world?

We are looking for an energetic Financial Controller to join our innovative and ambitious organization.

About LeydenJar

LeydenJar is a high-tech company, developing pure silicon anodes for a lithium-ion battery that will change the world. We are proud that, here at LeydenJar, we:

  • boost Li-ion battery energy density by 70% by using 10x thinner anodes
  • improved cycle life to >450
  • achieved fast charging to 60% in under 10 min!

We are currently still in an R&D phase, but we are ready to start the actual production of anode foil. LeydenJar Plant One will open in 2026.

Your mission
This is a key position where you will be part of the finance team and you will support your colleagues to optimize all financial flows.

What you will do:

  • be responsible for daily accounting activities;
  • prepare monthly reporting;
  • implement and maintain financial controls and procedures;
  • identify opportunities to improve financial reporting and accounting processes;
  • participate in finance related projects;
  • collaborate with cross functional teams (legal, HR, R&D and operations).

Job requirements

About you:

  • You are experienced and skilled in finance and/or accounting
  • You have a HBO, university or an accountancy certificate
  • You get energy from managing a high variety of activities and at the same time know how to prioritize well to ensure you make your deadlines
  • You have a strong eye for detail, are discrete and able to work with sensitive data and information
  • You are analytical, a great team player and willingly to learn
  • You are fluent in English verbally as well as in writing.

What can you expect from us?

  • Strong learning curve and room for personal development and ownership
  • Unique experience in a rapidly scaling VC-backed start-up environment
  • High degree of autonomy and a chance to work on potentially world-changing technology that can be a game changer to a range of industries and a key enabler for the energy transition
  • A total of 10% (on top and based on your monthly gross salary) will be paid by LeydenJar for pension and other insurances)
  • You get 25 days of vacation per year (based on 40 hours working week)
  • NS Business Card or reimbursement of 0.21 euro per km for commuting
  • Access to OpenUp mental health platform
  • Regular progress talks and support to reach your career goals
  • Great colleagues; at LeydenJar you will be part of a multi-national, ambitious, innovative and entrepreneurial team/20+ different nationalities!/
  • Thirsty Thursday – we have drinks every first Thursday of the month
  • We host internal FUN events each year and offer personal development perks /trainings and courses/
  • We have fresh fruit delivered every Monday in both locations /Leiden and Eindhoven/

Do you want to take on the challenge as Financial Controller?

We are looking forward to your application!

If you'd like to learn more about LeydenJar amazing team, see below:

At LeydenJar we value diversity, and we provide equal opportunities to all applicants without regard to race, color, ethnicity, religion, gender, pregnancy/childbirth, age, national origin, sexual orientation, disability, etc. If there are two or more applicants of equal suitability for a certain position, LeydenJar can under circumstances decide to select applicants based on positive discrimination in full compliance with all relevant and applicable law.