Sparteo is an independent suite of AI-powered advertising technologies built on sustainable, sovereign infrastructure.

Since 2018, we’ve been reshaping programmatic advertising to make it faster, more transparent, and more profitable by building the most direct path between publishers and advertisers.
But we don't stop here: wherever attention lives, on the web, in apps, on CTV, and beyond, our mission is to monetize audiences, across every device. Our data-driven tech delivers 30% higher revenues for our clients on average than traditional solutions.

Our Solutions:

→ Actirise: the display tech designed for performance
→ FastCMP: the consent management platform specifically designed for business purposes
→ Meetscale: the most advanced SSP for Publishers and Ad Networks
→ Viously: the ultimate all-in-one video tech solution
→ Voxeus: the audio distribution and monetization technology

Behind Sparteo’s growth is a team of 100+ talents across 11 countries, united by a shared ambition to redefine the future of digital advertising.

Our dedication has placed Sparteo among the most dynamic tech players in Europe:

• FT1000 ranking – Among the fastest-growing European companies in 2024 & 2025
• The Europas – Featured in the list of 100 hottest startups
• Pixalate Ranking – #1 Web SSP in France with our Actirise solution, overtaking Google AdExchange

These milestones are just the result. What truly sets us apart is how we work: at Sparteo, we don’t settle, we act.

• We are hungry: Always pushing for better, never settling for average.
• We are data-obsessed: Facts guide us, not assumptions, not egos.
• We think as one: Collective goals come before personal wins.
• We trade off: We simplify, prioritize, and go for high-impact results.
• We solve problems: We own challenges and turn ideas into action.
• We say what we do: Radical transparency is how we grow, no fluff, no hiding
  

Discover our journey, products, and culture on 👉 our website 👈

Your Job

As Group Chief Accountant, you will be the guardian of the group's financial health and compliance. You will oversee the entire accounting and financial cycle with a focus on continuous improvement.

To specify :

Financial Accounting & Reporting

• Working with the FP&A team to oversee the preparation of monthly, quarterly, and annual financial statements.
• Ensuring compliance with applicable accounting standards (e.g., IFRS when applicable and local GAAP).
• Reviewing general ledger entries and reconciliations for accuracy and completeness.
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Month-End & Year-End Close

• Leading the month-end and year-end closing process, ensuring all deadlines are met.
• Managing journal entries, accruals, and account reconciliations.
• Supporting audit processes and providing necessary documentation to internal and external auditors.

Tax Compliance

• Ensuring the timely and accurate preparation and submission of all required tax filings (e.g., VAT, corporate income tax).
• Coordinating with external tax advisors and authorities.
• Supporting transfer pricing documentation and intercompany transactions where applicable.

Treasury Management

• Overseeing cash management to ensure sufficient liquidity for day-to-day operations.
• Managing banking relationships, including credit lines and factoring.
• Monitoring cash flows and implementing strategies to optimize working capital and manage foreign exchange exposure.

Internal Controls & Process Improvement

• Maintaining and enhancing internal controls over financial, tax, and treasury reporting.
• Identifying and implementing opportunities to improve accounting processes and system efficiencies (ERP).

Consolidation & Team Management

• Working with external advisors on the annual consolidation of the group's accounts.
• Supervising, training, and developing accounting staff, fostering a culture of continuous improvement and professional development.

Your profile for this job

• You have a degree in Accounting, Finance, or a related field.
• You have at least 3 years of experience in a similar role, ideally in a fast-paced or international environment.
• You have a strong command of accounting standards and tax regulations (IFRS/local GAAP).
• You are proficient in SAGE 1000 and other financial reporting tools.
• You have proven experience in managing and developing a team.
• You are highly analytical, detail-oriented, and capable of handling complex financial data.
• You have a problem-solving mindset and a strong ability to optimize processes.
• You are a clear and effective communicator, capable of collaborating with various stakeholders.
• You have a keen interest in digital transformation and automation within finance.

Bonus points if:

• You have experience in the AdTech or digital sector.
• You are familiar with ERP systems and automation tools.
• You have worked in a multi-entity, international environment.

Your mind set to share our adventure

• 🚀 You want to make an impact and move things forward collectively. Does hearing phrases like "Yes, but we've been doing it this way for years..." make your hair stand on end? We feel the same way: progress is made by questioning what already exists.
• 🧠 You solve problems pragmatically and analytically.
• 🏃‍♂️ You're looking for a fast-moving environment where your agility will be an asset. The 80-20 (Pareto) principle holds no secrets for you.
• 🎧 Your ability to listen encourages you to challenge and improve yourself on an ongoing basis.

Benefits & Work Environment

• 🌍 Dynamic Remote Culture: At Sparteo, we embrace a flexible work environment that adapts to your lifestyle, allowing you to contribute from wherever you feel most productive, be it from home or our urban offices in Paris, Lille, or London.
• 👥 Close-knit Team: Be part of our dynamic and united team, where collaboration, innovation, and mutual support drive our collective success and create a thriving work environment.
• 🎉 Vibrant Social Events: Engage in regular social gatherings and company events that foster community and celebrate our milestones.
• 🚀 Rapid Growth: Experience the excitement of working with a company in rapid expansion mode, impacting the advertising technology landscape across Europe and beyond.
• 📈 Tailored Support: We provide robust career development support, including training programs, career check-ins with HR, opportunities for internal mobility, and performance feedback sessions conducted quarterly or semi-annually, depending on your role.
• 🌴 RTT Days: We support work-life balance with additional rest days (RTT), provided based on position and tenure, empowering you to recharge and enjoy life outside of work.
• 🩺 Comprehensive Health and pension plans: We provide a robust health benefits plan, ensuring you and your family are covered and cared for.
• 💼 Additional Perks:
  • 🍽️ Benefit from the Swile card for meals.
  • 🚆 Partial reimbursement of public transit passes.

Ready to join Team Sparteo? Send us your CV and continue the recruitment process!

Here are the stages in our recruitment process

• Discussions about your driving forces, your ambitions and our Sparteo mindset  will be held with a member of our Talent Acquisition team.

• Analytical and business logic tests

• Discussions with one or more members of the Sparteo team, including your future manager

• Taking up references

Our recruitment process is mainly conducted by videoconference; however, certain stages may require a face-to-face meeting.