Finance Assistant – AR/AP (Part-time)

Who are we?

Gain.pro is building the future of private market intelligence. Our bold vision is to become the global leader in this space - and a $1bn business within the next four years. Our platform empowers investors, advisors, and C-suite executives with the deepest private market insights, combining human curation with GenAI for faster, data-driven decisions.

We serve 100% of MBB/Big-Four advisories, clients representing over $1 trillion of private capital and more than 70% of the top-20 global M&A houses – including blue chip firms such as Blackstone, Goldman Sachs and McKinsey. With an NPS of >80, we lead the market on customer satisfaction and strive for excellence in everything we do.

Operating globally with offices in New York, Amsterdam, London, Frankfurt, Warsaw, and Bangalore, Gain.pro is one of the fastest-growing businesses in the Netherlands, nominated for the Deloitte Fast 50 for four consecutive years, recognized as Data Provider of the Year: Overall by Private Equity Wire in the United States, and awarded Best Use of AI in Finance 2025 by the Global Financial Market Review Awards.

 
What will you do?

As we grow the business across Europe and beyond, Gain.pro will grow its best-in-class Finance team.

Finance Assistant will be a core member of our Finance team and will play an integral role in the company's financial operations. This entails:

•  Invoice issuance and dispatch - preparing, issuing and sending sales invoices to clients in a timely manner

•  Making necessary corrections to invoices based on special requests or issues raised by clients

• Monitoring overdue invoices and proactively contacting clients to ensure prompt payment

• Maintaining up-to-date records of all invoices, ensuring accuracy and completeness

•  Assist with various administrative tasks, contributing to the overall efficiency of the company

Who are you?

We are searching for someone passionate about finance, who is excited by high-growth technology companies and who flourishes in dynamic environments with broad responsibilities. Also, you like to roll up your sleeves and are output-focused. Moreover, we are looking for the following:

• Education – You hold a Bachelor's degree in finance, accounting or business administration with a good understanding of basic accounting principles

• Proficiency in Microsoft Excel - Your proficiency in MS Excel is at least intermediate (familiarity with formulas such as "if", "xlookup", and pivot tables will be beneficial)

• Systems knowledge – Exposure to one of the integrated financial management/accounting software tools (e.g. Xero etc) is a plus

• Structured – You are well-organised and like to plan ahead

• Communication – You display superior written and verbal communication skills

• Analytical – You have great analytical and problem-solving abilities

• Detail – You have exceptional attention to detail

• Self-starting – You proactively come up with new ideas

• Languages – You are fluent in English

• Availability - You are available to join us for at least 30 hours per week

What do we offer?

• Opportunity to develop a long-term career a high-growth fintech scale-up with an international footprint

• Competitive compensation package 

• Flexibility to combine valuable work experience with studies and personal commitments 

• Fun working atmosphere with company-wide outings and events

• Above all, the opportunity to carve your signature in a fast-growing SaaS scale-up and be part of a successful team that has a central place in the organisation

• Hybrid working model in our Warsaw office

• We are post product-market fit and aspiring unicorn status; this is the right time to come on board and make that ride with us

Does this sound like a perfect match?

We are proud of our wonderful product and believe it has lots of potential. We are growing fast and having fun while building our platform and company. Does this sound like a team you would like to become a part of? Reach out – we are excited to get to know you and show you what we do!

Gain.pro B.V. with its registered seat in Apollolaan 151, 1077 AR Amsterdam, The Netherlands, or another Gain.pro entity which runs the recruitment process, further called „Gain.pro", is the controller of personal data you submit as part of the job application. Your personal data will be processed for the purpose of conducting a recruitment process for the job position you apply for. If you provide Gain.pro with explicit consent, your personal data will be also processed for the purpose of conducting future recruitment processes. Please read the Gain.pro Privacy Policy to acquaint yourself with how Gain.pro processes your personal data: https://www.gain.pro/privacy-and-cookie-statement.

Gain.pro is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, age, national origin, disability, veteran status, or any other legally protected characteristics.