Boekhouder / Bookkeeper

NirxElstJob.booffentliggjort 28.08.2026

Your Mission We are looking for an experienced and detail-oriented Bookkeeper to strengthen our Finance team and help us bring more of our day-to-day financial administration in-house.

Based primarily at our Elst (Gelderland) office, you will be responsible for accurate and reliable bookkeeping across our Dutch and German operations. This is a hands-on role for someone who genuinely enjoys financial administration, takes pride in getting the details right, and is comfortable managing the day-to-day books independently.

Key Responsibilities: Maintain accurate and up-to-date day-to-day bookkeeping and general ledger administration. Process purchase and sales invoices, expense claims and journal entries. Manage accounts payable and accounts receivable, including payment runs and outstanding balances. Reconcile bank accounts, balance-sheet accounts and subledgers, investigating and resolving discrepancies where necessary. Support month-end closing activities and help maintain reliable financial reporting. Prepare and support Dutch VAT returns and other routine financial reporting requirements, including CBS reporting. Maintain the financial administration for our Dutch and German entities in cooperation with colleagues and external advisers. Ensure transactions are accurately coded, documented and processed in line with internal controls and local requirements. Follow up with colleagues on missing information, approvals or documentation. Identify practical opportunities to improve the quality and efficiency of our financial administration.

Your Profile Several years of hands-on experience in bookkeeping, financial administration or a similar role. A relevant financial qualification such an MBO+/HBO degree in Finance, Accounting, Business Administration or equivalent practical experience. Strong practical understanding of general ledger bookkeeping, journal entries, AP/AR and reconciliations. Experience with Dutch financial administration is required. Experience with German bookkeeping or financial administration is an advantage, but specialist German tax knowledge is not required. Experience supporting VAT administration and month-end activities. Fluent Dutch and professional working proficiency in English. German language skills are an advantage. Accurate, structured and highly detail-oriented in your work. Reliable and discreet when handling confidential financial information. Comfortable working independently, meeting deadlines and taking ownership of your responsibilities. Hands-on, pragmatic and solution-oriented. You enjoy bookkeeping and financial administration and are looking for a role where you can develop strong knowledge of the organisation and provide reliable long-term support to the Finance team.

Why Artinis & NIRx Joining Artinis & NIRx, you can expect: To support leading scientists in advancing the understanding of human physiology, pathology and pharmacology, and exploring new pathways for diagnostics and therapeutics to improve lives. A role with purpose, collaboration and autonomy in an agile organisation with flat hierarchies, quick decision-making processes and a shared-leadership culture. A competitive compensation and benefits package, with employee well-being in mind. To work in a driven international team of engaged and enthusiastic colleagues with a make-things-better approach. An inspiring, stimulating and flexible work environment with resources to learn and grow, from annual team training allowances to onsite professional development opportunities.