About us

Jscrambler is the global leader in client-side protection, trusted by Fortune 500 companies and enterprises worldwide to secure their web applications and digital assets with cutting-edge cybersecurity solutions. Our innovative platform enables PCI DSS compliance and adherence to critical data standards and regulations, while empowering businesses to protect against data leakage, fraud, reverse engineering, and digital skimming attacks. 

Following our $15 million Series A in 2022 and a $5.2 million investment from Iberis Capital in 2025, we’re accelerating our global expansion and enhancing our industry-leading solutions to meet the growing demand for advanced security. In 2025, our passionate team is driving ambitious goals to redefine cybersecurity, and we’re seeking dynamic talent to join us in shaping the future of digital innovation on a global stage.

The Role

At Jscrambler, we’re building world-class client-side security solutions that protect users where it matters most. Just as our technology creates trust and resilience for our customers, we need the same kind of strong foundation inside the company—and that’s why we’re looking for a Finance Manager. In this role, you’ll lead and streamline our finance operations as we scale. You will be responsible for managing day-to-day accounting, expense controls while also overseeing reporting, forecasting, and cash flow management. The role includes ensuring compliance with tax and regulatory requirements, preparing accurate financial reports, and supporting investor relations with clear financial metrics and insights. This is a hands-on position where you can improve processes, implement tools to increase efficiency, and build the financial infrastructure that enables sustainable growth.

What will your day-to-day be like?

• Manage the financial reporting processes, assuring timely month-end closure and reporting to the management team and investors. 
• Oversee day-to-day financial operations, including accounts payable, payroll, general ledger, and Grants
• Ensure compliance with accounting standards, tax regulations, external reporting to INE, and corporate governance requirements (e.g. ESG reporting)
• Collaborate with the internal business teams, external accountants, auditors, and other relevant stakeholders to ensure seamless reporting and updated forecasts.
• Implement and maintain internal controls to safeguard company assets and ensure the financial integrity of the organization.
• Collaborate with the Research team to apply for and maintain relevant Grants and Tax Incentives (supported by an external Grants Advisor)
• Handle confidential information with discretion and professionalism

Qualifications:

• Bachelor’s degree in Finance, Accounting, or a related field
• Previous relevant working experience (5+ years) within financial accounting and/or reporting
• Strong expertise in Management Accounting and Reporting  
• Proficiency in financial systems (e.g., Oracle NetSuite) and Excel.
• Fluent in English (at least B2) and Portuguese (both oral and written) - mandatory

What You'll Bring

• Experience managing finance operations in a fast-paced environment where you will use both a Strategic and a “Hands-on” Hat during your week.
• A keen interest in building and improving processes, as well as documenting and mapping these (a mindset of “building the plane while flying the plane”)
• Excellent written and verbal communication skills and ability to interact effectively with all levels of management
• Ability to work independently with superior attention to detail
• Comfort working in a fast-paced environment and juggling multiple time-critical tasks

Why should you join us?

• It is an incredible career opportunity to develop your knowledge as a Finance & Operations Assistant, with talented people, in a dynamic growing environment. This role will be part of our growing finance and administrative team in our headquarters - Porto. Our team is made up of motivated, hard-working people spanning the globe, united by a culture of learning and continuous improvement.
• Career Progression & Personal Development Plan: Every 6 months, you will tell us what is going to be your next challenge. If it is something important for you, it is important for us too. Would you like to do training? Attending an international conference would make you happy? You just need to say so.
• We ensure a flexible working model with a remote-first mindset. This means you can work remotely or in the office.
• Wellbeing activities: You will have free snacks, fruit and coffee, weekly sports activities, Team lunch, team buildings, and much more.