Administrativo Contable Senior con inglés C1+ y datos (Presencial)

About the role

We are looking for a Senior Accounting Administrator with advanced English (C1) and strong data‑handling abilities to join a fast‑growing tech startup. The role is pivotal for daily administrative and accounting operations, financial reporting, and data validation to support decision‑making across the team.

Key responsibilities

• Manage daily administrative and accounting tasks, including invoicing, expense tracking, collections and payments.
• Perform bank reconciliations and keep the accounting ledger up to date.
• Monitor accounts payable and accounts receivable.
• Prepare administrative and financial reports for management.
• Collect, organize, and validate data from multiple sources, identifying and resolving inconsistencies.
• Use spreadsheets and digital tools to analyse and present data.
• Maintain organized administrative files and documentation.
• Communicate in English with clients, suppliers and international team members.
• Coordinate with external accounting firms and internal departments.
• Suggest improvements for administrative processes, controls and information flows.

Required profile

• Proven experience in accounting/administrative or finance‑administrative roles.
• Advanced English (C1) – written and spoken.
• Solid knowledge of general accounting and administrative procedures.
• Strong ability to organise, clean and analyse basic data sets.
• Experience with invoice, expense, payment and collection control.
• Comfortable learning new digital systems quickly.
• Organised, analytical, autonomous and detail‑oriented.
• Ability to work in a dynamic environment with shifting priorities.

Required skills

• Microsoft Excel (filters, pivot tables, lookup formulas) or Google Sheets.
• Data cleaning and basic data analysis.
• Accounting software / ERP platforms.
• Bank reconciliation.
• Digital collaboration tools.

What we offer

• Opportunity to join a growing tech startup.
• Direct impact on internal processes and improvements.
• Collaboration with interdisciplinary and international teams.
• Dynamic, flexible and innovation‑focused work environment.
• Professional development and learning opportunities.
• Access to efficient digital work tools.