Senior Accountant

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at www.coreweave.com .

We're proud to be a Living Wage accredited Employer.

About the Team

The Senior Accountant owns core areas of the general ledger and month-end close, delivering accurate, timely financials in a high-growth environment. As an IC3, this role is expected to demonstrate strong competency across all key areas of the position, own outcomes end-to-end within their assigned areas, identify and propose process improvements, and collaborate cross-functionally with Central Cash, FA, Intercompany and Leases, AP/AR, payroll, tax, and external auditors. The role works independently on established processes, escalates early on blockers, and is measured against Coreweave defined HR plan.

Key Responsibilities:

Month-End Close & General Ledger

Own assigned tasks on the month-end close checklist, completing them by their working-day deadlines and escalate any issues as needed. Review journal entries (cash, accruals, prepaids, reclasses, allocations) prepared by shared service center with complete supporting documentation. Review balance sheet reconciliations for an assigned portfolio of accounts by WD as assigned, resolving reconciling items so no unexplained differences remain above materiality thresholds. Understand fixed asset including additions, disposals, and amortization, leases and intercompany prepared by the central team.

Reporting & Analysis

Review monthly flux/variance analysis for assigned P&L and balance sheet accounts, explaining all variances above defined thresholds with business drivers. Review monthly reporting packages prepared by shared service organisation and prepare a highlights memo for leadership Test assumptions and recommend data-informed solutions when investigating discrepancies or unusual activity. Review and close the transaction in the secondary ledger.

Controls, Audit & Compliance

Execute assigned internal controls (SOX or equivalent) accurately and on time, maintaining complete evidence with zero exceptions. Deliver assigned PBC requests for external audit and internal testing, complete and within agreed turnaround. Ensure accounting treatment complies with US GAAP and company policy; flag technical questions to management early.

Process Improvement & Team Support

Identify inefficiencies in close, reconciliation, and reporting processes and propose or implement improvements (automation, standardization, checklist redesign). Maintain current desktop procedures for all owned processes. Support onboarding of new team members and provide peer review and coverage during high-volume periods, including quarter-end and year-end.

Qualifications:

• Bachelor's degree in Accounting, Finance, or related field.

• 3–6+ years of progressive accounting experience, including ownership of month-end close tasks and balance sheet reconciliations.

• Strong working knowledge of US GAAP.

• Hands-on experience with a major ERP (e.g., NetSuite, SAP, Oracle) and advanced Excel (pivot tables, lookups/INDEX-MATCH).

• Track record of meeting hard close deadlines with high accuracy and complete documentatio

• Track record of setting up new process and controls

Preferred Skills:

• CPA/ACA/ACCA/CIMA or active CPA/ACA/ACCA/CIMA candidate.

• Public company or public accounting (audit) experience, including SOX control execution.

• Experience in high-growth technology, infrastructure, or data center environments.

• Exposure to close-management or reconciliation tools (e.g., FloQast) and an interest in automation.

Why CoreWeave?

At CoreWeave, we work hard, have fun, and move fast! We’re in an exciting stage of hyper-growth that you will not want to miss out on. We’re not afraid of a little chaos, and we’re constantly learning. Our team cares deeply about how we build our product and how we work together, which is represented through our core values:

• Be Curious at Your Core

• Act Like an Owner

• Empower Employees

• Deliver Best-in-Class Client Experiences

• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and enables the development of innovative solutions to complex problems. As we get set for takeoff, the organization's growth opportunities are constantly expanding. You will be surrounded by some of the best talent in the industry, who will want to learn from you, too. Come join us!

The starting salary will be determined by job-related knowledge, skills, experience, and the market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).
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…

Source: Arbeitnow (https://www.arbeitnow.co.uk/jobs/companies/coreweaveu/senior-accountant-london-317878)