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Accountant

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ID: ACC-1
Description
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.

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.
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.
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.
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