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Pauline Bibina MackayaPB

Pauline Bibina Mackaya

Billing & Customer Reminders

€250/day
1 project
Bruxelles, BE
8-15 years
Invoicing
Electronic Invoicing
SAP
Accounting & VAT Preparation
Customer Reminder

Average response time: 1 hour

Freelancer profile translated to English.
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About Pauline

Are your invoices sent... but not always paid on time?
Does customer follow-up and reminders take up too much time and get pushed aside?

I support SMEs and freelancers in managing their billing and payment tracking to prevent delays and structure their organization.

🎯 Goal: Clear tracking, effective reminders, and controlled administrative management.

🔹 Invoicing & quotes
🔹 Customer reminders
🔹 Payment tracking
🔹 Pre-accounting
🔹 Administrative organization

I already work with SMEs, particularly in the construction sector, with a structured, reliable, and proactive approach.

I adapt quickly to your environment to be operational from the start.

💻 Tools: Isabel, Winbooks, Accountable, SAP, Excel, Google Sheets

Available for one-off missions or long-term support.
Banking and Financial Services
Social Networks

  • French

    Native or bilingual

Can work on-site
Bruxelles (up to 50km)

Experience

  • DLSA
    Financial Department Assistant
    May 2022 - February 2025 (2 years and 9 months)
    Within the financial department, I managed the operational aspects of payments and treasury, ensuring reliability, accuracy, and timely execution.
    I was responsible for processing payments via Isabel, monitoring financial flows, and controlling payments to ensure managed and secure cash flow.

    I also participated in management accounting, by monitoring and analyzing costs, which provided better financial visibility and precise expense control.
    This role allowed me to develop a strong ability to work with sensitive financial data, adhere to strict procedures, and collaborate effectively with various internal stakeholders.

    • Payment and payment tracking
    • Management accounting
    • Treasury
    • Payment and payment tracking • management accounting • Treasury Bank credit monitoring Project monitoring
  • ENGIE IT
    PROCUREMENT & RECEPTION MANAGER
    BANKING AND INSURANCE
    September 2019 - May 2022 (2 years and 8 months)
    Bruxelles, Belgium
    Administrative & skills experience

    With experience in administrative and financial management, I ensure rigorous monitoring of internal and external processes. My skills cover the entire administrative and accounting cycle, including:

    Processing invoice payments and KPI tracking.

    Managing pre-invoicing for external resource services.

    Creating and tracking purchase requisitions and purchase orders.

    Monitoring the approval of purchase requests and orders.

    Creating goods receipts and reconciling invoices.

    Resolving procurement issues and participating in data migrations.

    I regularly work with several professional tools and software, including:

    SAP / CFIN
    Effective interface with accounting Creation and tracking of purchase requests and purchase orders (PO) Supplier payment tracking and reminders if necessary Management of pre-invoicing for external service providers Tracking approvals in the workflow
  • Bpost
    Accountant - Temporary Mission (Amazon Prime Portfolio)
    PUBLIC SECTOR
    July 2018 - September 2018 (2 months)
    Temporary mission as an accountant within Bpost's financial department, responsible for the Amazon Prime customer portfolio.

    Responsible for the financial and administrative monitoring of the portfolio, playing a key role in the reliability of accounting operations and adherence to internal procedures.

    Main responsibilities:

    Financial and accounting management of the Amazon Prime portfolio

    Tracking accounting entries and verifying their compliance

    Financial reconciliations and transaction verification

    Coordination with internal teams to ensure the smooth execution of financial processes

    Variance analysis and support for accounting operations

    Contribution to meeting closing deadlines and financial procedures

    This mission allowed me to strengthen my expertise in accounting management, financial tracking, operations control, and administrative coordination, in a structured and demanding environment.
    Variance analysis and support for accounting operations Contribution to meeting closing deadlines and financial procedures Tracking accounting entries and verifying their compliance Coordination with internal teams to ensure the smooth execution of financial processes Financial reconciliations and transaction verification

Reviews

5.0

Out of 1 rating

CI

Canto Ismael

Support administratif et comptable - WCI BATIMENTS

Reviewed on 2/27/2026

Pauline completed the mission with diligence and professionalism. The work was done on time, with accuracy and good communication. I recommend her and would work with her again if needed.

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Education

  • Financial Management Certificate
    Distance Learning Training Center – French-speaking Education (EU)
    2025
    Formation certifiante en management financier couvrant les fondamentaux de la gestion financière: - Analyse financière - Gestion budgétaire - Suivi de trésorerie, - Comptabilité - Lecture et interprétation des états financiers - Appui à la prise de décision pour entreprise et indépendants

Skill set

Isabel
SAP S/4 HANA
Basware
Winbooks
ACCOUNTABLE
Microsoft Office
ERP
Accounting Entry
Quotes, invoicing & reminders

Categories