Finance Intern, Accounting

We're quickly growing and super excited for you to join us!

About Topsort

At Topsort, we believe in the mission of democratizing the secret technologies of the walled gardens and creating a privacy-first cookie-free world of clean advertising with modern tech, friendly products, and AI. We believe in making advertising intuitive, intelligent, and genuinely cool, without any of the creepy ads or cookie-obsession (well, maybe just the chocolate ones). In a rapidly changing industry, we're on a mission to democratize monetization access for all and ensure that advertising doesn't leave any brand or seller feeling confused or overwhelmed.

Today, Topsort has 5 major hubs worldwide, and employees in 13+ countries, including Menlo Park, Boston, Santiago Chile, Sao Paulo Brazil, Barcelona Spain, and Sydney Australia. We are a truly global company that was born in the pandemic that’s had rapid growth since out of a genius product, a customer-first mentality, and a hardworking team of talented individuals. Since our founding in 2021, we’ve gained customers in retail, marketplaces, and delivery apps in 40+ countries and quickly approaching the #1 position in the industry.

Do you enjoy a fast-paced environment? Do you like seeing your work create real-time impact, being part of a rocket ship from the very beginning? Let’s do the unimaginable - let’s make ads clean and cool again, with AI and modern technology. 

What it’s like to work at Topsort

We’re looking for a detail-oriented Accounting Intern to join Topsort’s growing team in our Somerville office. This role is a great opportunity for someone who wants hands-on exposure to accounting operations inside a fast-moving global startup.

You’ll work closely with the Finance team to support day-to-day accounting and billing processes, help maintain accurate financial records, and assist with operational finance tasks that keep the business running smoothly. This is a practical, execution-focused role where you’ll learn how accounting functions in a high-growth company environment.

If you’re organized, pay attention to details, eager to learn, and enjoy working with numbers and structured processes, we’d love to meet you.

About The Role

We’re looking for a motivated Finance Associate to join the dynamic team in our Somerville office, you will play a critical role in managing and optimizing financial processes to ensure accuracy, compliance, and efficiency. You will collaborate with cross-functional teams to streamline financial workflows, support strategic decision-making, and maintain the highest standards of financial integrity.

You will:

• Support accounts payable and accounts receivable processes


• Assist with client invoicing, billing workflows, and payment follow-ups


• Help maintain accurate financial records, documentation, and expense tracking


• Review financial data and transactions for accuracy and completeness


• Assist with reconciliation and monthly finance-related processes


• Organize invoices, receipts, and supporting accounting documentation


• Support the Finance team with operational and administrative accounting tasks


• Help improve and maintain organized accounting workflows as the company scales


• Assist with ad hoc accounting and finance projects when needed

What (we think) you need to be successful - we’re open to not checking all the boxes and be proven wrong by outlier candidates as well! 

• Currently pursuing or recently completed a degree in Accounting, Finance, Economics, Business, or a related field


• Strong attention to detail and organizational skills


• Comfortable working with numbers, spreadsheets, and financial data


• Reliable, proactive, and willing to learn in a fast-paced environment


• Strong sense of ownership and accountability for your work


• Clear communicator with a collaborative mindset


• Familiarity with Excel or Google Sheets


• Basic understanding of accounting principles is a plus


• Excited to gain hands-on experience in accounting within a high-growth startup environment


• Onsite in our Somerville office 4 days a week

• Deep dive into details: Professionals who are not content with superficial answers and dive deeply into the details to uncover root causes and optimal solutions.


• Team first: A low need for individual recognition, always prioritizing collective results over personal credit.


• You thrive with ambiguity: Exceptional ability to tackle open-ended problems in unstructured environments, turning chaos into structured innovation.


• Adaptability: Willingness to learn, mentor, lead, and follow as the situation demands, fostering growth at all levels.


• Urgency: A disproportionate sense of urgency in execution, while keeping scalability and the creation of replicable processes in mind to ensure long-term success.


• Curiosity: Genuinely curious individuals who can quickly learn difficult concepts and apply them effectively.

Do you sound like the right fit? Let's dive right in!