Senior Payroll Specialist– International (EMEA & APAC)

What Youll Do:

As we continue to expand our international operations and reach we are seeking a highly experienced and detail-oriented Senior Payroll Specialist to join our payroll team with a primary focus on our international payroll footprint across EMEA and APAC and an initial APAC focus on Singapore. The role reports to the Global Payroll Manager and owns day-to-day international payroll delivery controls issue resolution and continuous improvement. This senior-level role requires deep expertise in end-to-end multi-country payroll processing cross-border compliance and systems management across ADP Celergo and other payroll platforms. The Senior Payroll Specialist will serve as a subject matter expert support and mentor junior team members and partner with HR Finance Legal Stock Administration and other stakeholders. Strategic direction final payroll approval material provider or compliance decisions and significant risk acceptance remain with the Global Payroll Manager. This position is critical to ensuring accurate compliant timely and well-controlled compensation for our workforce across Poland Singapore the United Kingdom Norway Spain and Sweden in line with each countrys statutory pay cycle.

About the role:

Payroll Processing & Systems Management

• Own the day-to-day end-to-end payroll process for employees across Poland Singapore the United Kingdom Norway Spain and Sweden partnering with in-country payroll providers and ADP Celergo and operating within the agreed governance and approval framework. Payroll scope includes base pay commissions bonuses allowances deductions and other approved pay elements.
• Manage day-to-day relationships with ADP Celergo assigned in-country payroll providers and Employer of Record (EOR) providers; monitor delivery against agreed service levels; resolve operational issues; and escalate material service compliance contractual or commercial concerns to the Global Payroll Manager.
• Maintain and monitor the international payroll calendar including input deadlines review dates approval deadlines funding dates statutory payment dates and year-end requirements.
• Prepare each payroll for approval including a clear summary of material changes exceptions funding requirements reconciliations and identified risks and obtain final approval from the Global Payroll Manager and other designated approvers before payroll or payment release.
• Operate in accordance with segregation-of-duties requirements so that no individual can independently prepare approve and release the same payroll or payment.
• Review and audit timesheets attendance records annual leave/PTO balances and other country-specific inputs (e.g. UK statutory sick/maternity pay Nordic parental leave Spanish IRPF adjustments) to ensure accurate and compliant payment calculations prior to each payroll run.
• Coordinate and execute approved off-cycle payroll runs retroactive pay adjustments and manual payments across multiple countries and currencies ensuring appropriate justification review approval funding and audit evidence.
• Oversee country-specific statutory deductions and employer obligations including UK PAYE/National Insurance Polish ZUS and PIT Norwegian tax and folketrygd contributions Spanish Seguridad Social and IRPF Swedish tax and arbetsgivaravgifter and Singapore CPF in full compliance with applicable local laws.
• Coordinate payroll processing and reporting for RSU vesting stock option exercises and employee share purchase plan transactions for local and internationally mobile employees. Partner with Stock Administration Legal Global Mobility and external tax advisers where cross-border tax treatment or specialist advice is required and ensure timely payroll reporting and reconciliation.
• Support and monitor integrations and data flows between ADP Celergo in-country payroll vendors the general ledger Workday HR and benefits platforms ensuring data integrity across multiple currencies languages and statutory calendars and escalating interface failures promptly.
• Manage payroll queries and escalations through the agreed case-management process ensuring responses are accurate appropriately documented and delivered within established service-level expectations. Draft clear employee communications regarding payroll corrections overpayments underpayments tax adjustments and country-specific payroll matters obtaining appropriate review for sensitive or material communications.

Compliance Tax & Risk Management

• Maintain strong international payroll knowledge with direct operational expertise in several of the covered countries and the ability to develop knowledge of additional jurisdictions through collaboration with in-country providers and specialist advisers. Proactively identify legislative or regulatory updates and coordinate required operational changes.
• Manage day-to-day multi-country payroll tax compliance activities across EMEA and APAC including registrations statutory filings payment requirements and routine correspondence with tax and social security authorities such as HMRC ZUS and the Polish Tax Office Skatteetaten the Agencia Tributaria and Seguridad Social Skatteverket and Singapores IRAS/CPF Board. Escalate material assessments disputes penalties or compliance risks to the Global Payroll Manager.
• Support the Global Payroll Manager Legal Finance Tax and HR with new-country payroll assessments registrations implementation activities documentation testing and operational readiness. Legal tax permanent-establishment and employment-law determinations must be validated by the appropriate internal or external specialists.
• Review and reconcile statutory in-year and year-end payroll filings for each covered country (e.g. UK P60/P11D Polish PIT-11 Swedish arbetsgivardeklaration Norwegian a-melding Spanish Modelo 111/190 and Singapore IR8A/IR21) prepare them for authorised approval and partner with local tax representatives to resolve routine agency notices.
• Support the design implementation and ongoing operation of robust payroll controls to safeguard payroll data comply with GDPR and local data-privacy requirements and mitigate the risk of errors fraud or unauthorised access.
• Maintain complete payroll control evidence approval records reconciliations issue logs and audit trails for every payroll cycle in accordance with company record-retention requirements.
• Complete periodic payroll system and provider access reviews bank-detail change controls variance analysis and post-payroll reconciliations escalating control failures suspected fraud or unauthorised activity immediately.
• Coordinate day-to-day statutory and external audit activities related to international payroll including preparation and management of payroll PBC (Prepared by Client) lists across jurisdictions and escalate material findings or commitments to the Global Payroll Manager.
• Address and resolve payroll discrepancies tax issues and employee escalations across multiple time zones with urgency accuracy and professionalism.
• Partner closely with the Payroll Accountant and Finance team on payroll journal entries multi-currency general ledger reconciliations flux analysis and accruals on a monthly quarterly and annual basis.

Process Improvement Training & Leadership

• Champion continuous improvement by identifying designing and implementing process enhancements automation opportunities and best practices to increase efficiency accuracy and scalability across a growing international payroll footprint.
• Support the implementation and continued optimisation of ADP Celergo including requirements gathering data validation configuration review interface testing user acceptance testing parallel payroll testing defect management go-live readiness change management and post-go-live stabilisation. Overall programme ownership and material design decisions remain with the Global Payroll Manager and designated project governance.
• Create document and maintain comprehensive country-specific payroll process manuals SOPs control documentation key-contact lists access instructions contingency procedures and training materials to ensure business continuity and knowledge transfer.
• Provide effective payroll cover across assigned countries and participate in cross-training to reduce dependency on individual team members or external providers during planned or unexpected absences.
• Provide functional guidance coaching and training to junior payroll team members on multi-country payroll practices fostering a culture of accuracy compliance accountability and professional development. This responsibility does not include formal people management unless separately assigned.
• Manage assigned operational relationships with in-country payroll and benefits vendors monitor performance against SLAs and agreed controls and provide evidence-based recommendations to the Global Payroll Manager regarding service improvements or escalation.
• Collaborate with HR Legal Benefits and works councils or employee representative bodies where applicable to effectively communicate and resolve payroll-related matters across regions in a professional and timely manner.

Who You Are:

• Bachelors degree in Accounting Finance Business Administration or a related field or equivalent relevant professional experience.
• 710 years of progressive end-to-end international payroll experience supporting employees across EMEA and APAC ideally including Poland Singapore the UK Norway Spain and/or Sweden with at least 3 years in a senior or lead capacity.
• Experience with international payroll systems required; hands-on experience with ADP Celergo strongly preferred.
• Experience working with Workday HR (HCM) preferred particularly supporting HR-to-payroll data integration.
• Demonstrated experience managing high-volume multi-country payrolls with a strong track record of accuracy and on-time delivery.
• Proven experience managing cross-border payroll across multiple EMEA and APAC jurisdictions including familiarity with local statutory filings social security contributions and works council or employee representative requirements.
• Global payroll certification (e.g. CIPP International GRP or GPMA) strongly preferred.
• Strong knowledge of international payroll regulations tax codes social security statutory reporting and compliance requirements with direct practical experience in several of Poland Singapore the UK Norway Spain and Sweden and the ability to work effectively with in-country experts.
• Advanced proficiency in Microsoft Excel (pivot tables VLOOKUP/XLOOKUP data modeling) and financial reporting tools.
• Strong understanding of multi-currency payroll accounting principles including journal entries GL reconciliation and month-end close processes.
• Experience with HRIS and payroll system implementations across multiple countries including requirements gathering configuration review data validation vendor integration user acceptance testing parallel runs defect resolution and post-implementation optimisation; familiarity with Workday HR (HCM) is a plus.
• Experience operating within documented payroll controls and audit frameworks including SOX-style controls where applicable with a strong understanding of segregation of duties and evidence retention.
• Working knowledge of GDPR and other local data-privacy requirements as they relate to international payroll processes and data security.
• Demonstrated experience coordinating and processing equity transactions including RSU vestings stock option exercises and employee share purchase plan transactions with an understanding of when cross-border or internationally mobile cases require support from tax legal mobility or external advisers.
• Exceptional attention to detail with an unwavering commitment to data accuracy integrity and confidentiality.
• Strong analytical and problem-solving skills with the ability to diagnose root causes and implement sustainable solutions.
• Excellent organizational and time management abilities with a proven capacity to manage multiple priorities and time zones under strict deadlines in a fast-paced environment.
• Superior verbal and written communication skills; able to translate complex country-specific payroll matters to non-payroll stakeholders clearly and effectively.
• Proactive self-directed work style with a continuous improvement mindset and the ability to lead through influence without direct authority.
• High level of professional integrity and discretion when handling sensitive compensation and employee data.
• Proficiency leveraging AI tools and automation technologies to streamline payroll workflows enhance data analysis draft communications and surface insights; committed to applying AI responsibly and in accordance with data privacy and security policies.

To fulfill our obligation to protect client data successful applicants offered employment with CoreWeave will be required to complete a basic criminal record check conducted in compliance with GDPR. Employment offers are conditional upon receiving satisfactory check results.

What We Offer

In addition to a competitive salary we offer a variety of benefits to support your needs including:

• Family-level Medical Insurance
• Family-level Dental Insurance
• Generous Pension Contribution
• Life Assurance at 4x Salary
• Critical Illness Cover
• Employee Assistance Programme
• Tuition Reimbursement
• Work culture focused on innovative disruption

Benefits may vary by location.

Equal Opportunity

CoreWeave is an equal opportunity employer committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race color religion sex disability age sexual orientation gender identity national origin veteran status or genetic information.

Recruitment Agencies

CoreWeave does not accept speculative CVs. Any unsolicited CVs received will be treated as the property of CoreWeave and your Terms & Conditions associated with the use of CVs will be considered null and void.

Any unsolicited CVs sent by your company to us that is to say in any situation where we have not directly engaged your company in writing to supply candidates for a specific vacancy will be considered by us to be a free gift leaving us liable for no fees whatsoever should we choose to contact the candidate directly and engage the candidates services and will in no way establish any prior claim by your company to representation of that candidate should the candidates details also be submitted by any other party.

Export Control Compliance

This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information applicant must either be (A) a U.S. person defined as a (i) U.S. citizen or national (ii) U.S. lawful permanent resident (green card holder) (iii) refugee under 8 U.S.C. 1157 or (iv) asylee under 8 U.S.C. 1158 (B) eligible to access the export controlled information without a required export authorization or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may for legitimate business reasons decline to pursue any export licensing process.

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