Senior AP Accountant

Foundry is a global digital media company specializing in technology marketing solutions. Formerly IDG Communications, Foundry leverages proprietary data, premium content, and martech solutions to connect technology buyers with leading brands. With a portfolio of trusted IT publications and demand-generation tools, Foundry drives informed purchasing decisions for businesses worldwide. Backed by Regent, Foundry is rapidly expanding its global reach through innovation and strategic growth.

We are seeking an experienced, diligent and detail-oriented Senior AP Accountant with strong understanding of full AP cycle, and US GAAP. The successful candidate will be responsible for ensuring accurate and timely AP cycle management,  timely processing of invoices, vendor payments, and expense reporting for the US market. 
This role requires good technical accounting expertise, the ability to manage competing deadlines, and a proactive approach to problem-solving in a fast-paced environment.

This position is based in Warsaw and requires full-time on-site presence (5 days per week in the office).

·    Oversee full-cycle accounts payable process for US market.
·    Review, code, and approve vendor invoices for accuracy and proper authorization.
·    Ensure timely and accurate payment processing (ACH, wire transfers, checks).
·    Maintain vendor master data and resolve discrepancies.
·    Reconcile AP subledger to general ledger monthly.
·    Manage accruals and assist with month-end and year-end closing processes.
·    Ensure adherence to internal controls and company policies.
·    Maintain documentation to support audits (internal and external).
·    Ensure compliance with tax regulations (e.g., 1099 reporting, VAT/GST if applicable).
·    Identify and implement process improvements.
·    Communicate with vendors regarding payment inquiries and discrepancies.
·    Collaborate with internal stakeholders to resolve invoice issues.
·    Analyze spending trends and recommend improvements.
·    Assist with financial reporting requirements.
·    Support other AP team members.
·    Support cross-functional finance initiatives.

·    Bachelor's degree in Accounting, Finance, or related field required.
·    CPA or progress toward certification preferred.
·    5+ years of accounts payable or accounting experience.
·    Experience with ERP systems (recommended MS D365).
·    Strong knowledge of GAAP.
·    Strong attention to detail and organizational skills.
·    Advanced Excel skills (pivot tables, VLOOKUP/XLOOKUP).
·    Excellent analytical and problem-solving abilities.
·    Strong communication and interpersonal skills.
·    Ability to manage multiple priorities and meet deadlines.
·    Experience in high-volume, multi-entity environments.
·    Process automation experience (AP automation tools).
·    Excellent communication skills.
·    Advanced English level C1/C2.