Finance & Operations Werkstudent:in (w/m/d) | Echte Verantwortung. Echter Einblick!

We are looking for an engaged person who supports us in reliably keeping our financial administration, office organization, and People-Operations processes running.

At RIIICO, we work on making factories easier to change. When companies set up new machines, rebuild production lines, or modernize entire worksites, it's often unclear how the factory looks today. Our software makes these complex environments visible, understandable, and planable. So, we help teams make better decisions, collaborate faster, and implement big changes safely.

We are a diverse, international team with our headquarters in Düsseldorf. We are open, friendly, and welcome people who are themselves – regardless of their background, identity, or personality. You will really be welcome here.

Tasks

What you can expect from us

You will work directly with the CEO and be in the middle of things – not on the sidelines. You will take real responsibility for our financial and administrative processes that keep our company running. This means: structured working, proactive communication, and really finishing things.

After six months, we want you to independently manage the entire document and accounting processing – without us having to ask. The accounting basics are clean, the documents match, and you have taken over the Sales Backoffice (offers, invoices, payment tracking) completely. This is the moment when you really see what you've built!

Your tasks at a glance:

Financial Administration

• Processing incoming invoices, cost tracking, and maintaining financial records.
• Preliminary preparation of outgoing invoices and offers; tracking incoming payments
• Creating reports and documentation for our external accounting firm
• Supporting quarterly and investor reports as well as ESG reporting
• Maintaining and developing financial automation tools and expense management systems

People Operations

• Administrative support for salary processing (Personio, DATEV)
• Onboarding new team members: collecting documents, entering Personio, accompanying admin questions
• Maintaining personnel files and HR data (DATEV, Personio, OneDrive)
• Creating contracts, letters, and certificates based on templates

Bureaucracy & General Administration

• Self-responsible management of office supplies and consumables
• Support with general administrative tasks

Requirements

What you bring

• You are currently studying in a relevant field – e.g. BWL, Finance, Accounting, HR or similar
• Basic knowledge of accounting or financial processes – from your studies or first work experience
• Very good German language skills (written and spoken) – necessary for salary processing and legal documentation
• Good English language skills – company language is English
• Structured, reliable working style with high quality standards
• Carefulness and discretion in handling sensitive financial and HR data
• Safe handling of spreadsheets
• Digital affinity and joy in improving processes
• Please note: A valid work permit or residence title for Germany is required for this position.

Benefits

What we offer

• A real insight and real responsibility in a growing B2B startup
• A friendly, diverse, and international team that values individuality and celebrates it
• Flexible working: you work as much as possible from the office in Düsseldorf, but we understand that your studies come first
• 20 hours per week
• Entry level: Working Student (Finance Starter Level 1) – with clear development prospects

We are an employer who actively lives diversity and inclusion. We advocate for a diverse and inclusive work environment and welcome applications from people of all backgrounds. At our company, it doesn't matter where you come from, what religion you belong to, what gender you have, whom you love, how old you are or whether you live with a disability – you are welcome.

Sounds good?

Just click on ‚Apply now‘, answer a few short questions, and upload your resume. No cover letter needed to get started.

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