Freelancer profile translated to English.

Description

My name is William, I have worked with all types of structures (VSE - SME - Large Groups) such as Publicis, UKG.

This has allowed me to acquire strong expertise in operational and analytical back office management.

I have been able to provide answers to organizational challenges by implementing processes that have brought fluidity to the circulation and processing of sensitive data related to billing in particular.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Paris (up to 50km)

Groupe Publicis
ADA and Back Office Analyst
June 2024 - January 2025 (7 months)
France / International Management: Sapin Law Support Billing Process (supplier) Billing statement analysis Billing call animation with agencies (monthly, quarterly) Billing monitoring Account reconciliation (suppliers / clients) Account situation analysis Process implementation (dematerialization 2026) Invoice compliance check (suppliers / clients) Supplier account cleaning (N-1 / N-4) Dispute management: Responses to internal / external requests Redirection to the right contacts
Klee Group
Back Office Manager
May 2022 - January 2023 (8 months)
Specialization in public markets (Ameli, Ministries, ANS, CNAM, Hospitals…) Processing of external/internal requests (Sales, project managers) Key account billing management Debt collection Analysis and reconciliation of customer receipts Contract monitoring (billing conditions update, PO)
Peopledoc
Account receivable representative
July 2021 - April 2022 (9 months)
Creation of invoices DE/FR/UK (Subscription, Setup, Service…) Processing of customer and internal employee requests (Sales) Key account billing management Debt collection Analysis and reconciliation of customer receipts Contract monitoring (billing conditions update, PO)