Tax Senior Consultant December 5, 2025 View role →

Calan; Warszawa; Hybrid; PLN 120,000 - 180,000; Full time

Job summary

Calan in Warsaw is seeking a Tax Senior Consultant to manage VAT and CIT compliance, prepare monthly and annual tax calculations, and support audits. You will work with cutting-edge data-driven technologies like Power Query, Microsoft Fabric, and AI-based automation tools.

Responsibilities include filing tax returns, advising on tax optimization, and collaborating with other departments while building relationships with external advisors and authorities.

Qualifications

• Higher education in Finance, Accounting, or Economics.
• Minimum 2 years of experience in accounting or tax — ideally at a Big4 or specialized firm.
• Practical knowledge of VAT and CIT.
• Advanced Excel skills.
• Good command of English.
• Willingness to learn and develop in tax automation.
• Nice to have: Tax advisor certification.
• Experience in VAT/CIT process automation.
• Knowledge of Power Query and Microsoft Fabric.

Responsibilities

• Manage VAT and CIT compliance processes, including monthly and yearly tax calculations.
• Ensure accurate and timely filing of all tax returns.
• Stay up-to-date with changes in tax legislation and identify opportunities for optimization.
• Work collaboratively with other departments to provide tax guidance for business initiatives.
• Build and maintain strong relationships with external advisors, auditors, and tax authorities.
• Communicate directly with clients regarding documentation and arising tax matters.
• Participate in automation projects for VAT/CIT processes and contribute to the implementation of data-driven solutions.

Skills

Advanced Excel

English

VAT/CIT knowledge

Tax automation

Education

Higher education in Finance/Accounting/Economics

Tools

Power Query

Microsoft Fabric

Automation tools

Job description

We are looking for a highly motivated and experienced Tax Senior Consultant to join the tax team at Calan. The ideal candidate will be responsible for managing tax compliance processes in the areas of CIT and VAT, preparing monthly and annual tax calculations, ensuring accurate filings, and supporting tax audits.

This role also offers the opportunity to work with cutting-edge data-driven technologies, such as Power Query, Microsoft Fabric, and AI-based automation tools.

Responsibilities

• Manage VAT and CIT compliance processes, including monthly and yearly tax calculations.
• Ensure accurate and timely filing of all tax returns.
• Stay up-to-date with changes in tax legislation and identify opportunities for optimization.
• Work collaboratively with other departments to provide tax guidance for business initiatives.
• Build and maintain strong relationships with external advisors, auditors, and tax authorities.
• Communicate directly with clients regarding documentation and arising tax matters.
• Participate in automation projects for VAT/CIT processes and contribute to the implementation of data-driven solutions.

Skills & Requirements

• Higher education (preferably in Finance, Accounting, or Economics).
• Minimum 2 years of experience in accounting or tax — ideally gained at a Big4 firm (PwC, KPMG, Deloitte, EY) or a specialized tax advisory firm (e.g., MDDP, Crido).
• Practical knowledge of VAT and CIT.
• Advanced Excel skills.
• Good command of English.
• Willingness to learn and develop in the area of tax automation.
• Nice to have:
  • Tax advisor certification.
  • Experience in VAT/CIT process automation.
  • Knowledge of Power Query and Microsoft Fabric.

What we offer

• Comprehensive training in data analytics and VAT/CIT process automation.
• Opportunity to work with advanced technologies such as AI, Power Query, and Microsoft Fabric.
• Clear career development path and real opportunities for growth.
• Competitive salary and benefits package.
• Stable employment in a stationary work model.
• Access to industry-leading tools and support from experienced specialists.

Company Calan

Office Warsaw

Published December 5, 2025

Reference CAL-9657

Warsaw hub hybrid-friendly