S-PRO, a top-tier Digital Innovation and Software Engineering company. We specialize in providing cutting-edge services for fast-growing businesses and enterprises, with a strong focus on Finance, Renewable Energy and Healthcare domains and expertise in AI, Blockchain and Data Science. Our team of over 200 dedicated professionals works tirelessly across our global offices to develop innovative digital solutions that drive sustainable business value and increase our client’s competitiveness in a dynamic digital landscape. Role Description We’re building a product for solo entrepreneurs in Poland and Eastern Europe to radically simplify invoicing and tax reporting, turning a complex process into a 3-step experience. We're currently looking for a part-time Accountant to help us establish and maintain efficient accounting processes, support financial reporting, and ensure compliance as we grow. Qualifications: 3+ years of experience in accounting, bookkeeping, or financial operations. Strong understanding of accounting principles and financial reporting. Experience with tax compliance and reporting. Proficiency in accounting software and spreadsheets (Excel/Google Sheets). High attention to detail and strong organizational skills. Ability to work independently in a remote, fast-paced environment. Upper-Intermediate English or higher (written and spoken). Experience working with startups, fintech, or SaaS companies is a plus. Knowledge of Polish accounting and tax regulations is a strong advantage.