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Administrative and Accounting Assistant

Céret, France


The digital advertising industry is growing quickly and becoming more complex every day.
Media publishers are challenged to grow their audience, improve user experience and
content quality. They need solid advertising revenues to support their efforts and fund their

Opti Digital is the technology and strategic partner of media publishers. With our agile and
innovative solutions, we help them optimise their online advertising revenues and make the
right decisions for the monetisation of their media.

We develop modern and innovative advertising technologies to offer efficient solutions to
independent publishers as well as to large media groups.

Do you want to develop your career in the AdTech industry, in a constantly evolving
environment? Join Opti Digital, a fast growing company based in France and Europe!

job description

We are seeking a talented, motivated, and experienced candidate to join our team as an
Administrative and Accounting Assistant. You will report directly to the Managing Director
and work closely with the existing Administrative and Management Assistant. Your primary
responsibilities will include:


Invoicing / accounting

  • Overseeing customer and supplier invoicing and payments
  • Monitoring fixed charges and ensuring timely payment
  • Keeping track of unpaid invoices and taking appropriate action
  • Verifying and registering invoices and accounting documents
  • Performing bank reconciliations
  • Contributing to the development of invoicing and payment processes


  • Providing administrative support for funding applications and tracking progress
  • Managing emails and correspondence with external accounting and financial agencies

Human Ressources

  • Coordinating hiring formalities, including preparing employment contracts and registering
    for medical exams
  • Managing company health insurance enrollments and monitoring apprenticeship and
    internship agreements
  • Preparing end-of-employment documents
  • Maintaining payroll records and processing salaries in France, Spain, and Poland
  • Reviewing and processing expense reports
  • Organizing travel arrangements


  • Strong proficiency in Microsoft Word and Excel
  • Knowledge of online accounting management tools
  • Fluent in English, both written and spoken
  • Excellent writing and orthographic skills

Preferred skills

  • Strong numerical skills
  • Proficiency in a second foreign language
  • Prior experience in managing funding applications or CIR/CII


  • Experience with Google Suite (Gmail, Google Sheet, Google Doc)
  • Penny Lane or other business accounting software

Education and Experience

  • BTS Administrative and Accounting Assistant or DUT GEA degree
  • At least 1 year of experience in a similar role


  • Indefinite contract and full time job
  • Competitive salary
  • In-house training on the digital advertising market and its technologies
  • Friendly working atmosphere in an international team
  • Participation in team building days and internal events
  • International team (offices in Barcelona, France and Poland)
  • Private health insurance
  • Fitness club membership
  • Employee referral bonus (1000€)