About the Role
La siguiente información ofrece un resumen de las habilidades, cualidades y cualificaciones necesarias para este puesto.
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 the Barcelona office (city center).
* Competitive package, including base salary and participation in the Virtual Share Plan. xpzdshu
* A collaborative, technical, and growth-oriented environment that values direct ownership and clear thinking.