e-Invoice Project Assistant – 12 Months Fixed Term Contract

Hogan Lovells; Greater London; Hybrid; GBP 40,000 - 60,000; Full time

Job summary

A leading law firm is seeking an e-Invoice Project Assistant for a 12-month fixed term contract in London. The role focuses on supporting compliance with EU e-invoicing requirements through detailed data analysis, testing, and collaboration with IT and vendors. Ideal candidates should have experience in finance systems, knowledge of e-invoicing, and strong analytical skills. Flexible working patterns are available. Join a dynamic team driving important compliance initiatives.

Qualifications

• Experience in billing or finance systems, preferably in professional services or legal.
• Knowledge of e‑invoicing concepts and regulatory compliance is desirable.
• Experience with third‑party applications.

Responsibilities

• Perform detailed data gap analysis in finance and billing systems.
• Coordinate data backfill activities to ensure compliance.
• Support all phases of e‑invoicing application testing.
• Test data exchange and resolve defects with IT and vendors.
• Assist with e‑invoice template creation and maintenance.
• Prepare manual e‑invoices as needed for compliance.
• Document processes and test results for future reference.
• Provide project support during go-live phases.
• Collaborate with global and local stakeholders for timely task delivery.

Skills

Data analysis

Attention to detail

Problem-solving

Effective communication

Tools

Finance systems

ERP systems

Job description

Job Title

e-Invoice Project Assistant – 12 Months Fixed Term Contract

Office Location

London

Department

Finance

Working Hours

35 hours per week, 9:30am to 5:30pm but additional hours may be required. We are happy to consider agile and flexible working patterns. Our approach to hybrid working allows for up to 40% of time working from home and 60% working in the office, please contact a member of the recruitment team to discuss further.

Role Overview

The e‑Invoicing Project Assistant will be a key member of the Belgium e‑invoicing implementation project (and other offices), supporting the firm’s compliance with EU government‑mandated e‑invoicing requirements. The role will focus on finance system data analysis, data remediation, testing activities, and operational setup of e‑invoicing processes.

Working closely with the Project team, IT, finance stakeholders and external e‑invoicing vendors, the role will help ensure accurate data exchange, robust testing outcomes, and effective ongoing controls to support a successful go‑live and transition to business‑as‑usual operations.

Key Responsibilities

• Perform detailed data gap analysis within the firm’s finance and billing systems to identify missing or non‑compliant data required for EU e‑invoicing.
• Coordinate and execute data backfill activities, ensuring accuracy, completeness and alignment with e‑invoicing standards and local requirements.
• Support end‑to‑end testing of the selected e‑invoicing application, including unit testing, system integration testing and user acceptance testing.
• Test and validate data exchange and interface connections between the firm’s finance systems and the e‑invoicing solution, working closely with IT and vendors to resolve defects.
• Assist with the creation, configuration and maintenance of e‑invoice templates, including mapping of required data fields and formatting rules.
• Prepare and process manual e‑invoices where required, ensuring compliance with regulatory and firm standards.
• Set up and maintain automated data gap and exception notifications to support ongoing data quality and compliance monitoring.
• Document processes, test results, issues and resolutions to support audit, knowledge transfer and future enhancements.
• Provide project support during go‑live and post‑implementation stabilisation phases.
• Collaborate effectively with global and local stakeholders, ensuring clear communication and timely delivery of assigned tasks.

Skills & Experience

Qualifications & Training

• Experience in billing, finance systems, revenue management or financial operations, ideally within a professional services or legal environment.
• Knowledge of e‑invoicing concepts, regulatory reporting or indirect tax compliance (EU VAT / e‑invoicing) is highly desirable.
• Experience working with finance or ERP systems and third‑party applications.

General Attributes

• Strong analytical skills with the ability to perform detailed data analysis and identify gaps or inconsistencies.
• High level of accuracy and attention to detail.
• Experience in system and integration testing, including documentation of test cases and outcomes.
• Ability to manage multiple tasks and deadlines within a project‑driven environment.
• Strong problem‑solving skills and a proactive, solutions‑focused approach.
• Effective communication skills, with the ability to work collaboratively with finance, IT and external vendors.
• Comfortable working within a regulatory or compliance‑driven framework.

Equal Opportunities Employment & Agile Working Statement

It is the policy of Hogan Lovells to provide equal opportunities for all employees in relation to recruitment, training and promotion. Decisions in these areas will be made only by reference to the requirements of the job and shall not be influenced by any consideration of racial or ethnic origin, religion, sex, gender and gender identity, age, sexual orientation, marital and civil partnership status, pregnancy or disability.

Our goal is to embed flexibility across our business by giving everyone the opportunity to work in an agile way, whether as a regular pattern or on an ad hoc basis, and we will be happy to discuss this further.