Senior Technical Accountant – US GAAP & Policy Lead

LemFi; Greater London; Hybrid; GBP 85,000 - 120,000; Full time

Job summary

LemFi, a Series B fintech, is seeking a Senior Technical Accountant to own group accounting policy, write technical papers, and serve as auditors' main contact. Reporting to Head of Financial Control and Reporting, you will ensure US GAAP consolidated accounts and local statutory accounts are accurate from revenue recognition to balance sheet classification.

The role is hands-on, requires CECL/IFRS9 knowledge, FRS102/IFRS, and collaboration with Product, Legal, Tax and Treasury.

Qualifications

• ACA, ACCA or CPA qualification and 7+ years post-qualification experience.
• Big 4 audit background in financial services is preferred.
• Direct experience in remittance, payments, e-money, or regulated finance.
• Strong US GAAP knowledge; familiarity with FRS 102 or IFRS.
• Experience with CECL or IFRS 9 accounting.
• Clear, concise technical writing and audit-facing testimony.
• Hands-on ability to post complex journals and defend policy decisions.

Responsibilities

• Own the Group accounting policy manual across US GAAP, FR S102 and local frameworks.
• Write technical papers on key judgements like revenue recognition and FX.
• Assess accounting treatment for new products before launch with cross-functional teams.
• Serve as auditors' main contact for judgement areas and drive audit outcomes.
• Define rules for transaction accounting and integrate into NetSuite controls.
• Maintain US GAAP-to-statutory reconciliations and intercompany consistency.
• Monitor a technical accounting log and review monthly with Finance leads.

Skills

ACA/ACCA/CPA qualification

Big 4 audit experience

Remittance/payments/ e-money knowledge

US GAAP knowledge

FRS 102 / IFRS knowledge

CECL / IFRS 9 knowledge

Technical writing

Hands-on journal posting

Education

ACA/ACCA/CPA qualification

Tools

NetSuite

Job description

LemFi, a Series B fintech, is seeking a Senior Technical Accountant to own group accounting policy, write technical papers, and serve as auditors' main contact. Reporting to Head of Financial Control and Reporting, you will ensure US GAAP consolidated accounts and local statutory accounts are accurate from revenue recognition to balance sheet classification.

The role is hands-on, requires CECL/IFRS9 knowledge, FRS102/IFRS, and collaboration with Product, Legal, Tax and Treasury.