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About StackHPC
StackHPC is a small, friendly technology company that helps universities and research organisations run complex scientific projects in the cloud. We’ve been growing steadily for nine years, and our team of 35 still enjoys a flexible, collaborative, start-up style environment
The Role
We’re looking for a detail-focused Accounts Assistant to cover maternity leave. You’ll handle UK payroll, bookkeeping, VAT, and client project finance, while helping improve our processes. This is a hands-on role with responsibility, variety, and real impact.
Key Responsibilities
Bookkeeping & Finance Operations
- Reconcile bank and credit card accounts (multi-currency where relevant)
- Process supplier invoices and payments, client invoices, and expense claims
- Maintain accurate records in QuickBooks and spreadsheets
Payroll & Compliance
- Manage the monthly UK payroll, including pensions and auto-enrolment compliance
- Prepare quarterly VAT returns
Client & Project Support
- Track client quotations and purchase orders, ensuring financial details are reflected in jira (project management software)
- Liaise with project managers to prepare monthly sales invoices for international clients
- Manage credit control processes, including chasing overdue invoices and responding to client queries
Requirements & Skills
- AAT Level 3 or equivalent, or at least 3 years’ bookkeeping/accounting experience
- Strong understanding of double-entry bookkeeping
- Proven ability to manage payroll and pensions accurately, including statutory deductions and compliance with UK regulations
- Comfortable with multi-currency transactions
- Proficient in Microsoft Excel (formulas, pivot tables)
- Experience with QuickBooks Online and/or Google Sheets is a plus
Personal Attributes
- Excellent organisational skills and attention to detail
- High integrity, intellectual honesty, and strong work ethic
- Self-motivated and proactive, able to work independently while meeting deadlines
Benefits
- Competitive salary (£30K–£32K FTE) discretionary bonus
- Flexible hours / hybrid working
- 25 days annual leave bank holidays (pro-rata if part-time)
- 2 days paid emergency time off for dependents (pro-rata)
- 5% employer pension contributions (with salary sacrifice option)
