Finance Intern, Accounting

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. 

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.

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

• 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.