Kaufmännische Assistenz (m/w/d) - 25–35 Std./Woche

Apply here: [https://jp-trading-strengthshop.workwise.io/en/job/125703 ](https://jp-trading-strengthshop.workwise.io/en/job/125703) About the role: We're a close-knit team building one of Europe's leading brands for strength training and gym equipment. We're looking for a highly organised, detail-oriented kaufmännische/r Assistent/in to join our Berlin team. This is a broad, hands-on role: you'll keep our office and HR administration running smoothly, and you'll also take ownership of our monthly bookkeeping preparation - pulling together sales, payment, and expense data across our ecommerce channels (Shopify, Amazon, Brightpearl) ready for our accountant. You'll be trained directly by the current job-holder during a structured handover, so you'll have real support getting up to speed. What you'll do: - Prepare monthly bookkeeping files across our sales and payment platforms (Shopify, Brightpearl, Amazon, Revolut, Mollie) for our external accountant - Handle invoice filing, payment execution, petty cash, and carrier billing checks - Own general office administration: post, supplies, shared inboxes, vendor coordination - Support HR processes end-to-end: recruiting coordination, onboarding, sick leave, contracts, and compliance reporting - Management assistance for ad hoc projects - Be a first point of contact for internal questions across the business - Other diverse tasks that can arise in a fast-growing company What you bring: - Completed commercial training (e.g. Kauffrau/-mann für Büromanagement) or equivalent experience - Comfort working with numbers/Excel and multiple online sales platforms; prior bookkeeping-adjacent experience is a strong plus (full accounting qualification not required) - Strong organisational skills and reliability with deadline-driven monthly tasks - Warm and precise communication with fluency in German and business level English - Strong problem solving skills - we require someone who relishes the challenge of making the figures balance - Process driven with the ability to see mundane tasks through to their completion - Experience with tools like Brightpearl (ERP), Shopify, Amazon is a bonus (training provided). Most importantly: you're trustworthy, reliable, and bring a strong teamwork attitude. We're a close-knit team and we value culture fit greatly. Here’s our offer: - Competitive salary - Permanent contract - 25–35 hours/week (exact scope discussed at interview) - 30 paid vacation days per year - Continuous training to help you meet job requirements  - Meritocratic organisation, flat structure and a transparent communication culture - Opportunity to grow with and shape the future of a fast-growing company - Free gym memberships - Large employee discounts (30%+) on Strength Shop equipment and supportive gear - Air-conditioned office located in Berlin - Dog-friendly workplace - Young, international team - Unique working culture This role is based at our Berlin office, with a hands-on handover period from the current role-holder.