Finance Intern | Based in Barcelona
Behind every FX transaction Kantox processes, there is a finance function making sure the numbers are right. We are a 200-person fintech handling over $18 billion in client transactions across 75 countries, and our Finance team keeps the engine running. We are looking for an Accounting Intern to join that team in Barcelona and get hands-on experience in a fast-paced, international financial environment.
This is not a shadowing role. From day one, you will be doing real work that the team depends on.
What you will work on
Processing and reconciling invoices and expense reports
Supporting month-end and quarter-end close activities
Assisting with bank reconciliations and balance sheet checks
Maintaining accurate records in our accounting system
Supporting the team with ad hoc financial reporting and analysis
The setup
You will be based in our Barcelona office, working directly within the Finance team. You will get structured onboarding, close support from senior team members, and the opportunity to see how finance operations work inside a profitable, high-growth fintech backed by BNP Paribas.
Who you are
You are currently studying Accounting, Finance, Business, or Economics, and you are looking for an internship where you will actually learn, not just observe. You are comfortable with numbers, disciplined about detail, and the kind of person who flags a problem rather than sits on it.
Concretely:
Currently enrolled in a degree in Accounting, Finance,



Business, or Economics
Solid understanding of core accounting principles: debits, credits, reconciliations
Comfortable working with Excel or Google Sheets
Fluent in English, our working language at Kantox
Available for the full internship period with university sign-off confirmed
Nice to have:
Prior internship or part-time experience in a finance or accounting function
Exposure to accounting software such as SAP, Xero, or NetSuite
Spanish speaker, helpful for local vendor communication
Interest in fintech, FX, or financial markets
What we offer
Sponsored learning and development budget
Versátil working hours and short Fridays
Hybrid working model
Gym discounts and free sports activities
Restaurant Ticket with monthly credit and regular cross-team lunches
Fresh fruit and unlimited coffee
Pizza Fridays
Barcelona office with 360° views of the city
About Kantox
We are a profitable, 200-person fintech and a BNP Paribas company, with offices in London and Barcelona. We have grown consistently since ****, built on a product that handles real financial complexity for clients who depend on it every day. Joining Kantox as an intern means joining a team that takes its work seriously and invests in the people doing it.
Kantox is an equal opportunity employer. We hire on merit and welcome applicants regardless of background, nationality, gender, age, sexual orientation, or disability status.

📌 Finance Intern (Laza)
🏢 Kantox
📍 Laza