Office Manager

Finance & Administration Manager

Master The Monster — Paris

French Tech Scale-up | AI-Powered Production SaaS

Mid-Senior Level | 4-6 years experience

About MTM

MTM is an AI-Powered Creative Project Management Collaborative Platform designed to help marketers and their creative partners create and produce faster and more easily.

Brilliant ideas are not enough without disciplined execution. By integrating all along a streamlined creative workflow, centralizing interactions and assets and managing resources, MTM helps bridge this gap.

MTM is designed by Creatives for Creatives.

Key Responsibilities:

Finance & Accounting

• Manage day-to-day accounting operations with the external accounting firm
• Monitor cash flow, payments, and liquidity needs
• Prepare monthly financial reporting, budgets, forecasts, and KPI tracking
• Ensure tax, payroll, and regulatory compliance
• Manage invoicing, accounts receivable, supplier payments, and expense control
• Oversee financial tools such as Qonto, Spendesk, Stripe, and ERP systems

Financial Modelling & Automation

• Maintain financial models and SaaS metrics (MRR, ARR, churn, CAC, LTV)
• Automate reporting through BI tools, Power Query, Apps Script, APIs, or no-code tools
• MTM is a tech platform — its internal tools must match that standard. You proactively identify opportunities to improve and automate back-office processes.

HR & Administration

• Handle HR administration for employees and freelancers: contracts, onboarding/offboarding, leave management, payroll coordination
• Ensure compliance with labor law and contractor regulations
• Manage supplier contracts, SaaS subscriptions, insurance, and legal documentation
• Support recruitment administration and cross-functional operational projects

Profile:

Experience

• Master’s degree in Finance, Accounting, Business, or Management
• 4–6 years of experience in finance/admin roles within consulting firms, startups, scale-ups, or SMEs
• Hands-on experience with payroll, contracts, and operational accounting
• Comfortable working autonomously in an international environment

Technical Skills

• Advanced Excel / Google Sheets (VBA, Power Query, Apps Script)
• BI & reporting tools: Power BI, Looker Studio
• ERP/accounting software: Pennylane, Sage, Odoo, etc.
• Payroll & spend management tools: Payfit, Spendesk, Qonto, Stripe
• Automation tools: Zapier, Make
• Basic to intermediate SQL

Soft Skills

• Strong attention to detail and organizational skills
• Reliable, proactive, and discreet with confidential information
• Comfortable in fast-growing and evolving environments
• Fluent in French and English

What MTM Offers

• Broad ownership and autonomy within a fast-growing scale-up
• Strong tech culture
• Human-sized team with visible impact
• Competitive compensation salary
• Paris-based role with partial remote flexibility