Associate Accountant

Boston, Massachusetts, United States Full-time

Are you a highly motivated person looking to start a career in finance and accounting? Are you a team player who takes pride in their work, owns their tasks, and is invested in growing and learning? If yes, read on. Celtra is hiring an Associate Accountant to enable the accounting and finance team to effectively deliver on a billing cycle that is growing in parallel with the company. Reporting to the Director of Accounting, you will assist and eventually own all areas of the standard billing cycle.

Celtra provides a market-leading Creative Management Platform (CMP) to premium publishers, ad networks, and Fortune 500 brands enabling them to create, deliver, and measure the performance of their digital advertising efforts. We’re creating a space, we’d love to help you start a career.


  • Read and understand commercial terms of subscriptions as a means to create, edit, and maintain billing tracker files from contracts
  • Assist the Director with billing during the beginning of months
  • Work comfortably within excel in a clear, organized manner
  • Organizing billing information and effectively communicating within the finance and accounting team to ensure accuracy and flag discrepancies
  • Involvement in ad-hoc finance and accounting initiatives and tasks demonstrating an ability to grow and learn


  • Must be organized and detailed - a stickler for getting it right the first time 
  • Position should be filled by someone who matches our values:
    • Driven
    • A Constant Learner
    • Customer Focused
    • Creative
    • Team Player
  • Proficient knowledge of Excel - pivot tables, VLOOKUP & index-match, sumifs, and if statements
  • 6 - 12 months of experience (internship/co-op experience applicable)
  • BA/BS degree in Finance, Business, Accounting


About Celtra
Celtra helps brands make smarter creative and media investments through its cloud-based management platform that produces, manages, tests, and optimizes digital advertising. Celtra’s Creative Management Platform (CMP) is able to connect the marketer’s content creation with its media buying side of the marketing stack. This consolidation of services establishes new levels of transparency, control, speed, and agility. Enterprises use Celtra to scale big ideas across markets, channels, and screens--with enhanced creative liberty and insight into performance.
If you have an interest in a company who’s interested in both your wellness and your wallet (medical, dental, vision, parental leave, education, fitness, commuter, 401k... you get the picture), you should apply. Celtra is headquartered in Boston (MA), with offices in New York City, San Francisco, London (UK), Singapore, and Ljubljana (SI). For more information, visit Celtra at or @CeltraMobile on Twitter.