Financial Accountant

We are a proven and innovative company developing biobased green chemistry to produce n-butanol, n-hexanol and an n-Octanol mixture that range from Carbon negative to Carbon neutral for a broad range of sustainable applications and markets. Our catalysts help industrial clients around the World to decarbonize their products.

At Catalyxx, we combine bio feedstock with a petrochemical process to produce identical chemicals… only better.

Catalyxx transforms bioethanol into drop‑in, cost‑competitive, carbon‑negative chemicals. We enable our customers to de‑risk their supply chain and reduce CO2 emissions without sacrificing profitability, existing infrastructure, or product performance.

Our Mission

Catalyxx is an innovative company whose mission is to be a global leader in catalytic chemistry that allows the replacement of petrochemical products, conventionally made of fossil materials, by the same molecules produced from renewable sources.

Catalyxx is a pioneer in sustainable catalytic chemistry. Our purpose is to transform the global chemical industry by replacing fossil‑based molecules with renewable ones.

Our catalysts are already helping industrial clients worldwide decarbonize their products and move toward a truly sustainable economy.

If you’re motivated by projects with real impact, you’ll find that here.

The Opportunity

We are seeking a hands‑on Financial Accountant to strengthen our accounting and finance function as we continue to scale internationally.

The successful candidate will report to the Group Financial Controller and will work closely to Head of Financial Control & Compliance, tax advisors, auditors and the wider finance team.

This is an excellent opportunity for an accounting professional who enjoys working in a fast‑growing international environment with exposure to multiple accounting frameworks, grants, project finance and complex technical accounting matters.

What You Will Do

Your mission will be to support the accounting, compliance, month end and reporting process, ensuring the correct execution and follow‑up of established processes across the business.

• Maintain accurate accounting records ensuring compliance with company policies and applicable accounting standards.
• Review purchase orders to ensure compliance with internal procurement procedures.
• Process supplier invoices and ensure correct accounting allocation.
• Maintain complete accounting documentation and supporting records.
• Perform general ledger postings and account reconciliations.
• Monitor vendor documentation and ensure completeness of supporting evidence.
• Support fixed asset accounting, depreciation calculations and asset register maintenance in coordination with Financial Controller.
• Support the monthly closing process ensuring deadlines and quality standards are met.
• Prepare monthly accruals and prepayments, perform balance sheet reconciliations and supporting schedules.
• Prepare accounting journals related to recurring monthly adjustments.
• Support the preparation of documentation required for grant justifications.
• Maintain accounting traceability of grant‑funded expenditures in coordination with Financial Controller and Head of Financial Control & Compliance.
• Support compliance reporting for financing agreements and loan covenants.
• Prepare audit schedules, reconciliations and supporting documentation. Support internal and external audits.
• Prepare VAT, Withholding Tax (IRPF) and Corporate Income Tax information in coordination with external tax advisors.
• Support the preparation and review of statutory tax filings across the different jurisdictions.
• Ensure compliance with local accounting and tax regulations.
• Support responses to tax authorities and external advisors when required.
• Assist in the preparation of annual statutory financial statements for the Group entities under Spanish GAAP (PGC), Portuguese GAAP (SNC) and support IFRS Group reporting and consolidation requirements in coordination with Financial Controller and Head of Financial Control & Compliance.

What We Are Looking For

• Bachelor's Degree in Accounting (FICO), Economics, Finance or Business Administration.
• 1 - 3 years of experience in accounting.
• Strong knowledge of accounting principles.
• Experience preparing statutory accounts.
• Experience working with ERP systems (Business Central, Dynamics 365 is a plus).
• Advanced Excel skills.
• Fluent Spanish and professional English (minimum B2/C1).

Key Skills (Must Have)

• Accounting knowledge.
• High attention to detail.
• Analytical mindset.
• Ability to work autonomously.
• Excellent organizational skills.
• Ownership and accountability.
• Strong problem‑solving capability.
• Ability to meet tight deadlines.

Key Skills (Nice to Have)

• Experience with government grants and public funding programmes.
• Experience with foreign currency accounting.
• Experience with financial instruments and hedge accounting.
• Experience in industrial, manufacturing or project‑based companies.
• Experience working in PE‑backed companies or scale‑ups.
• Experience with Microsoft Business Central.

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