Barcelona
About the Role We are looking for a mid-level Accountant with deep Spanish GAAP (PGC) expertise to join our Accounting team during a period of strong growth. Reporting to the Finance Director, you will partner closely with the Finance Director and the Senior Accountant on month-end close, the year-end audit, and the IFRS transition for 2026. This is a hands-on role for someone who enjoys ownership, brings a digital mindset, and is comfortable using AI tools to scale their own productivity in a fast-paced, scale-up environment. Key Responsibilities Accounting and Close • Perform daily entries and postings in the ERP, following accounting policies and procedures., • Own day-to-day general ledger activity (journal entries, accruals, prepayments, fixed assets, intercompany)., • Run the monthly close calendar end to end. Produce trial balance, P&L, and balance sheet for management review., • Execute reconciliations (banks, suppliers, payroll, prepaids, accruals) with supporting documentation., • Maintain the chart of accounts, cost-center structure, and account reconciliations to a Big 4 audit standard., • Organize invoices and supporting documentation using our internal file architecture and naming conventions. Audit and External Reporting • Support the rollout of IFRS reporting alongside PGC books, including chart-of-accounts mapping and IFRS 16, IFRS 15, and IFRS 9 treatments., • Prepare statutory financial statements (PGC) and assist with subsidiaries' filings Tax and Compliance • Operate SII (Suministro Inmediato de Información) for real-time VAT reporting with Agencia Tributaria., • Support the calculation of Corporate Income Tax (Modelo 200), VAT (Modelos 303), withholding taxes (Modelos 111 y 216), Intrastat and R&D tax deductions., • Coordinate with the external tax advisor on monthly, quarterly filings and year-end provisions., • Maintain documentation supporting transfer pricing and public-grant accounting. Digital Tools and Automation • Use AI tools, including a corporate Claude account, to automate recurring activities (data entry, reconciliations, document classification, narrative generation)., • Contribute to the design and continuous improvement of digital workflows across procurement, invoice approvals, and reporting., • Help digitize and standardize accounting documentation, templates, and policies. Onboarding Period (initial weeks only) • During the initial onboarding period, you may support light treasury tasks (bank reconciliations, payment runs) until the Treasurer joins, after which the focus shifts fully to accounting. Requirements Must-Have • University degree in Accounting, Finance, Business Administration, or related field., • Four to seven years of experience in Accounting or Audit, ideally including time at a Big 4 firm (EY, KPMG, Deloitte, PwC) or a top-tier independent firm., • Deep working knowledge of Spanish GAAP (Plan General de Contabilidad)., • Good knowledge of IFRS, including practical experience supporting IFRS adoption or dual-reporting environments., • Native Spanish proficiency., • Business English at C1 level (written and spoken)., • Hands-on experience with ERP systems and solid Excel skills (XLOOKUP, Pivot Tables, SUMIFS, INDEX/MATCH, data validation, conditional formatting)., • Digital mindset, with comfort and curiosity around AI tools and process automation., • Strong structure, organization, and documentation discipline., • Comfortable working in a fast-paced, agile, scale-up environment. Highly Desirable • Hands-on experience with Spanish taxation schemes and SII (Suministro Inmediato de Información) for AEAT., • Practical experience using AI tools (Claude, ChatGPT, Copilot) to automate accounting workflows., • Experience with the A3 ERP software. Nice-to-Have • International experience, ideally with multi-currency or cross-border subsidiaries., • Exposure to technology or deep-tech companies., • Knowledge of Spanish R&D tax deductions, schemes Tax Lease structures, and public-grant accounting treatment., • Catalan advanced level. Why Semidynamics? • Work at one of Europe's most promising deep-tech semiconductor scale-ups., • Direct exposure to a live Series A round, and our first IFRS implementation., • Accelerated development path. Real growth potential as the Accounting team scales., • 4 days per week at Barcelona office (city center)., • Competitive package, including base salary and participation in the Virtual Share Plan., • A collaborative, technical, and growth-oriented environment that values direct ownership and clear thinking.
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